| 2678 W. Washington Boulevard | building | 2024 | 100011219 |
 | 42nd Precinct Police Station | building | 2013 | 12001236 |
 | 7th District Police Station | building | 1996 | 96000515 |
| AVR 661 | structure | 1980 | 80001342 |
 | Robert S. Abbott House | building | 1976 | 76000686 |
 | Adler Planetarium | building | 1987 | 87000819 |
 | Mrs. Henry F. Akin House | building | 1992 | 92000487 |
 | Alta Vista Terrace Historic District | district | 1972 | 72000448 |
| Altgeld Gardens-Philip Murray Homes Historic District | district | 2022 | 100007590 |
 | America Fore Building | building | 2016 | 16000383 |
 | American State Bank | building | 2000 | 00000951 |
 | Anderson-Carlson Building | building | 2005 | 05001259 |
 | Andersonville Commercial Historic District | district | 2010 | 08000294 |
 | Andridge Apartments | building | 1984 | 84000927 |
 | Aquitania, The | building | 2002 | 02000099 |
 | Arcade Building | building | 2016 | 16000055 |
 | Armour Square | district | 2003 | 03000789 |
 | Auburn Gresham Bungalow Historic District | district | 2012 | 12000841 |
 | Auditorium Building, Roosevelt University | building | 1970 | 70000230 |
 | Austin Historic District | district | 1985 | 85001741 |
 | Austin Town Hall Park Historic District | district | 2006 | 06001015 |
 | Automatic Electric Company Building | building | 2002 | 02001386 |
| Avalon Park Bungalow Historic District | district | 2023 | 100009251 |
 | B.F. Goodrich Company Showroom | building | 2009 | 09000347 |
 | Emil Bach House | building | 1979 | 79000821 |
 | Baha'i Temple | building | 1978 | 78001140 |
 | Bailey-Michelet House | building | 1982 | 82002533 |
 | Frank J. Baker House | building | 1974 | 74000759 |
 | Balaban & Katz Uptown Theatre | building | 1986 | 86003181 |
 | Balaban and Katz Chicago Theatre | building | 1979 | 79000822 |
 | Hiram Baldwin House | building | 1983 | 83000307 |
 | Nathaniel Moore Banta House | building | 1998 | 98000465 |
 | Baptist Retirement Home | building | 2017 | 100001765 |
 | Barrington Historic District | district | 1986 | 86001047 |
 | Belden Stratford Hotel | building | 1992 | 92000485 |
| Belmont-Sheffield Trust and Savings Bank Building | building | 1984 | 84000931 |
 | Belmonte Flats | building | 1998 | 98000063 |
 | Benda House | building | 2023 | 100009252 |
 | Berger Park | district | 2010 | 09001225 |
 | Alfred Bersbach House | building | 2003 | 03000941 |
 | Berwyn Health Center | building | 2002 | 02001352 |
 | Berwyn Municipal Building | building | 2001 | 01000865 |
 | Best Brewing Company of Chicago Building | district | 1987 | 87001263 |
 | Biograph Theater Building | building | 1984 | 84000934 |
 | Blackstone Hotel | building | 1986 | 86001005 |
 | Bloom Township High School | building | 1982 | 82002527 |
 | Bohemian National Cemetery | district | 2006 | 06000374 |
 | Jacob Bohlander House | building | 1989 | 89001113 |
 | Boyce Building | building | 1996 | 96000080 |
 | Brainerd Bungalow Historic District | district | 2016 | 16000895 |
 | Edmund D. Brigham House | building | 2016 | 16000900 |
 | Roger Brown Home and Studio | building | 2011 | 11000029 |
 | Bryn Mawr Avenue Historic District | district | 1995 | 95000482 |
 | Buckingham Building | building | 2000 | 00000942 |
 | Buena Park Historic District | district | 1984 | 84000937 |
 | Building at 1101-1113 Maple Avenue | building | 1984 | 84000960 |
 | Building at 1209-1217 Maple Avenue | building | 1984 | 84000964 |
 | Building at 1301-1303 Judson Avenue | building | 1984 | 84000968 |
 | Building at 1305-1307 Judson Avenue | building | 1984 | 84000966 |
 | Building at 1316 Maple Avenue | building | 1984 | 84000969 |
 | Building at 14-16 Pearson Street | building | 1980 | 80001343 |
 | Building at 1401-1407 Elmwood Avenue | building | 1984 | 84000973 |
 | Building at 1505-1509 Oak Avenue | building | 1984 | 84000976 |
 | Building at 1929-1931 Sherman Avenue | building | 1984 | 84000978 |
 | Building at 2440 N. Lakeview Avenue | building | 2011 | 11000847 |
 | Building at 2517 Central Street | building | 1984 | 84000980 |
 | Building at 2519 Central Street | building | 1984 | 84000982 |
 | Building at 2523 Central Street | building | 1984 | 84000983 |
 | Building at 257 East Delaware | building | 1987 | 87001113 |
 | Building at 320 West Oakdale Avenue | building | 2013 | 13000184 |
 | Building at 399 West Fullerton Parkway | building | 2007 | 07000456 |
 | Building at 417-419 Lee Street | building | 1984 | 84000942 |
 | Building at 548-606 Michigan Avenue | building | 1984 | 84000945 |
 | Building at 5510 North Sheridan | building | 2001 | 01000870 |
 | Building at 813-815 Forest Avenue | building | 1984 | 84000950 |
 | Building at 900 West Lake Street | building | 1999 | 99000163 |
 | Building at 923-925 Michigan Avenue | building | 1984 | 84000953 |
 | Building at 999 Michigan, 200 Lee | building | 1984 | 84000958 |
 | Buildings at 1104-1110 Seward | building | 1986 | 86001743 |
 | Buildings at 815-817 Brummel and 819-821 Brummel | building | 1984 | 84000952 |
 | Buildings at 860-880 Lake Shore Drive | building | 1980 | 80001344 |
 | Burlingham Building | building | 1985 | 85000264 |
 | Anita Willets Burnham Log House | building | 2005 | 04001297 |
| Burr Oak Cemetery Historic District | site | 2026 | 100012473 |
 | Bush Temple of Music | building | 2013 | 13001001 |
 | Mr. James Kent Calhoun House | building | 2010 | 09000780 |
 | Calumet Park | district | 2003 | 03000788 |
 | Calumet Plant, R. R. Donnelly & Sons Company | building | 1983 | 83000308 |
 | Carling Hotel | building | 2017 | 100000563 |
 | Carlson Cottage | building | 1994 | 94001029 |
 | Pirie Carson Scott and Company | building | 1970 | 70000231 |
 | Frederick B. Carter Jr. House | building | 1974 | 74000758 |
 | Castle Tower Apartments | building | 1984 | 84000985 |
 | Castlewood Terrace | district | 2009 | 09000232 |
 | Castlewood Terrace | district | 2009 | 09000232 |
 | Central Berwyn Bungalow Historic District | district | 2015 | 15000521 |
 | Central Manufacturing District-Pershing Road Development Historic District | district | 2015 | 15000522 |
 | Central Park Theater | building | 2005 | 05000873 |
 | Cermak Road Bridge Historic District | district | 2012 | 12000243 |
 | Anton Cermak House | building | 2011 | 10001201 |
 | Chapin and Gore Building | building | 1979 | 79000823 |
| Charles Warrington Earle School | building | 2021 | 100006227 |
 | James Charnley House | building | 1970 | 70000232 |
 | Chicago Avenue Water Tower and Pumping Station | district | 1975 | 75000644 |
 | Chicago Beach Hotel | building | 1986 | 86001193 |
 | Chicago Bee Building | building | 1986 | 86001090 |
 | Chicago Board of Trade Building | building | 1978 | 78003181 |
 | Chicago Club | building | 2005 | 05000109 |
 | Chicago Federal Center | building | 2011 | 08001165 |
 | Chicago Harbor Lighthouse | building | 1984 | 84000986 |
| Chicago Municipal Tuberculosis Sanitarium District | building | 2019 | 100003913 |
| Chicago Park Boulevard System Historic District | district | 2018 | 12000040 |
 | Chicago Portage National Historic Site | site | 1966 | 66000108 |
 | Chicago Public Library, Central Building | building | 1972 | 72000449 |
 | Chicago Sanitary and Ship Canal Historic District | district | 2011 | 11000907 |
| Chicago Savings Bank Building | building | 1975 | 75000645 |
 | Chicago Telephone Company Kedzie Exchange | building | 2001 | 01000594 |
 | Chicago Varnish Company Building | building | 2001 | 01000649 |
| Chicago Vocational School | building | 2022 | 100007996 |
 | Chicago and North Western Railroad Depot | building | 2001 | 01000081 |
 | Chicago and North Western Railway Power House | building | 2004 | 04001306 |
 | Chicago and Northwestern Depot | building | 1975 | 75000658 |
| Chrysler Village | district | 2014 | 14000254 |
 | Church of the Epiphany | building | 1998 | 98000067 |
 | Henry B. Clarke House | building | 1971 | 71000290 |
 | George Clayson House | building | 1979 | 79000835 |
 | Richard Cluever House | building | 1977 | 77000482 |
 | Coca Cola Company Building | building | 1991 | 91000114 |
 | Colonnade Court | building | 1984 | 84000987 |
| Columbus Park | district | 2003 | 03001040 |
 | Columbus Park, Children's Park | structure | 1991 | 91000567 |
 | Community House | building | 2007 | 07000854 |
 | Arthur H. Compton House | building | 1976 | 76000687 |
 | Congress Theater | building | 2017 | 16000579 |
 | Continental and Commercial National Bank | building | 2007 | 07000064 |
 | Conway Building | building | 1984 | 84000988 |
 | Cook County Criminal Court Building | building | 1984 | 84000281 |
 | Cook County Hospital Administration Building | building | 2006 | 06001017 |
 | Avery Coonley House | building | 1970 | 70000243 |
| Dr. Joseph Carter Corbin Gravesite | site | 2023 | 100008842 |
| Cornelia, The | building | 2022 | 100007997 |
 | Cornell Square | district | 2005 | 05000875 |
 | Covent Hotel | building | 2017 | 100001561 |
| Craig and Estella Hazelwood House | building | 2024 | 100010216 |
 | Crane Company Building | building | 2002 | 01001538 |
 | Creamery Package Manufacturing Company Building | building | 2011 | 11000778 |
 | Crow Island School | building | 1989 | 89001730 |
 | Curtiss-Wright Aeronautical University Building | building | 2013 | 13000827 |
 | Davis Square | district | 2003 | 03000787 |
 | Davis Theater | building | 2016 | 15000930 |
 | Charles Gates Dawes House | building | 1976 | 76000706 |
 | Dawson Brothers Plant | building | 1985 | 85000265 |
 | Oscar Stanton De Priest House | building | 1975 | 75000646 |
 | Dearborn Station | building | 1976 | 76000688 |
 | Delaware Building | building | 1974 | 74000749 |
 | Dempster Street Station | building | 1996 | 95001005 |
 | Des Plaines Methodist Camp Ground | district | 2005 | 05000429 |
 | Francis J. Dewes House | building | 1973 | 73000694 |
 | Herbert A. Dilg House | building | 2009 | 09000781 |
 | Dorhmann-Buckman House | building | 1995 | 94001598 |
| Douglas Tomb State Memorial | structure | 1976 | 76000689 |
 | Drake Hotel | building | 1980 | 80001345 |
 | Robert and Suzanne Drucker House | building | 2013 | 13000715 |
 | William E. Drummond House | building | 1970 | 70000241 |
 | George B. Dryden House | building | 1978 | 78001135 |
 | Jean Baptiste Point Du Sable Homesite | site | 1976 | 76000690 |
 | Arthur J. Dunham House | building | 1982 | 82002524 |
 | East Park Towers | building | 1986 | 86001197 |
 | East Ravenswood Historic District | district | 1991 | 91001364 |
 | East Village Historic District | district | 2009 | 09000459 |
 | Ebenezer Missionary Baptist Church | building | 2016 | 16000734 |
 | Edgewater Beach Apartments | building | 1994 | 94000979 |
| Edgewater Glen Historic District | district | 2024 | 100011201 |
 | Edison Park | district | 2007 | 07000990 |
 | Eighth Regiment Armory | building | 1986 | 86001096 |
| Eli and Jeanne Lipman House | building | 2025 | 100011691 |
 | Emmanuel Episcopal Church | building | 2017 | 100001922 |
 | Emmel Building | building | 1984 | 84000283 |
 | Episcopal Church of the Atonement and Parish House, The | building | 2009 | 09000590 |
 | Epworth Methodist Episcopal Church | building | 2008 | 08000503 |
 | Eugene Field Park | district | 2006 | 06000677 |
 | Evanston Lakeshore Historic District | building | 1980 | 80001353 |
 | Evanston Ridge Historic District | district | 1983 | 83000309 |
 | Evanston Towers | building | 1984 | 84000990 |
 | Fairbanks, Morse and Company Building | building | 1988 | 88002233 |
 | Falconer Bungalow Historic District | district | 2007 | 07000114 |
 | Field Museum of Natural History | building | 1975 | 75000647 |
 | Marshall Field Garden Apartments | building | 1991 | 91001691 |
 | First Congregational Church of Austin | building | 1977 | 77000474 |
 | First Congregational Church of Western Springs | building | 2006 | 06000673 |
 | First Congregational Church, Des Plaines | building | 2019 | 100004310 |
 | First Self-Sustaining Nuclear Reaction, Site of | site | 1966 | 66000314 |
| Fisher Building | building | 1976 | 76000691 |
 | Flamingo-On-The-Lake Apartments | building | 1986 | 86001194 |
 | Flat Iron Building | building | 2003 | 03000917 |
 | Lucy Flower Technical High School for Girls | building | 2017 | 100000960 |
 | Jennie Foley Building | building | 1985 | 85001274 |
 | Ford Airport Hanger | building | 1985 | 85001009 |
 | Forest, The, and Annex | building | 1984 | 84000991 |
 | Fort Dearborn Hotel | building | 1982 | 82000390 |
 | Forum, The | building | 2019 | 100003646 |
 | Fountain Plaza Apartments | building | 1984 | 84000992 |
 | Four Nineteen Building | building | 1999 | 99000973 |
| Fourth Presbyterian Church of Chicago | building | 1975 | 75000648 |
 | William Frangenheim House | building | 1992 | 92000488 |
 | Frank Lloyd Wright-Prairie School of Architecture Historic District | district | 1973 | 73000699 |
| Frank Lloyd Wright-Prairie School of Architecture Historic District (Boundary Increase) | district | 2009 | 08001096 |
 | Fuller Park | district | 2002 | 02001347 |
 | Gage Group-Ascher, Keith, and Gage Buildings | building | 1985 | 85002840 |
| Gage Park Bungalow Historic District | district | 2020 | 100004852 |
 | Mrs. Thomas H. Gale House | building | 1970 | 70000239 |
 | Walter Gale House | building | 1973 | 73000700 |
 | Garden Homes Historic District | district | 2005 | 05000108 |
 | Garfield Park | district | 1993 | 93000837 |
 | John Gauler Houses | building | 1977 | 77000475 |
 | Germania Club | building | 1976 | 76000692 |
 | Getty Tomb | building | 1974 | 74000750 |
 | William and Caroline Gibbs House | building | 1992 | 92000048 |
| Gillson Park and Wilmette Harbor Historic District | district | 2024 | 100009684 |
 | William A. Glasner House | building | 2005 | 05000105 |
 | John J. Glessner House | building | 1970 | 70000233 |
 | Gold Coast Historic District | district | 1978 | 78001121 |
 | Goldblatt Bros. Department Store | building | 2006 | 06001016 |
 | Graceland Cemetery | district | 2001 | 00001628 |
 | Grand Crossing Park | district | 2006 | 06000678 |
 | Grant Park | district | 1993 | 92001075 |
 | Dr. Paul W. and Eunice Greeley House | building | 2011 | 11000048 |
 | Greenwood, The | building | 1984 | 84000993 |
 | John W. Griffiths Mansion | building | 1982 | 82002528 |
 | Abraham Groesbeck House | building | 1993 | 92001841 |
 | Gross Point Village Hall | building | 1991 | 91001001 |
 | Grossdale Station | building | 1982 | 82004912 |
 | Grosse Point Light Station | structure | 1976 | 76000707 |
 | Caroline Grow House | building | 1992 | 92000489 |
 | Gunderson Historic District | district | 2002 | 02000100 |
 | Guyon Hotel | building | 1985 | 85000966 |
 | Ann Halsted House | building | 1973 | 73000695 |
 | Hamilton Park | district | 1995 | 95000487 |
 | Hangar 1, Naval Air Station-Glenview | building | 1998 | 98001357 |
 | Hanson, Anton, E., House | building | 2006 | 06000008 |
 | Harrer Building | building | 1983 | 83000310 |
 | William H. Hatch House | building | 2007 | 07000898 |
 | Haymarket Martyrs' Monument | object | 1997 | 97000343 |
 | Isadore H. Heller House | building | 1972 | 72000450 |
 | Hermitage Apartments | building | 1985 | 85000266 |
 | Hermosa Bungalow Historic DIstrict | district | 2018 | 100003263 |
 | Arthur Heurtley House | building | 2000 | 00000258 |
 | Hillcrest Apartment | building | 1984 | 84000994 |
 | Edward Jr. Hines Veterans Administration Hospital Historic District | district | 2013 | 13000814 |
 | Hinman Apartments | building | 1984 | 84000995 |
 | Charles Hitchcock Hall | building | 1974 | 74000751 |
 | Hofmann Tower | site | 1978 | 78001139 |
 | Dr. Robert Hohf House | building | 2008 | 08001166 |
 | Holy Name Cathedral | building | 2000 | 00000477 |
 | Holy Trinity Russian Orthodox Cathedral and Rectory | building | 1976 | 76000693 |
 | Home Bank and Trust Company | building | 2007 | 07000061 |
 | Homestead, The | building | 2006 | 05001607 |
 | Hotel Del Prado | building | 1986 | 86001195 |
 | Hotel St. Benedict Flats | building | 1995 | 88003311 |
 | Hotel Windermere East | building | 1982 | 82000391 |
 | Hull House | building | 1966 | 66000315 |
 | Humboldt Park | district | 1992 | 92000074 |
 | John Humphrey House | building | 2005 | 05000114 |
 | Hyatt House Hotel | building | 2013 | 13000553 |
 | Hyde Park-Kenwood Historic District | district | 1979 | 79000824 |
 | Hyde Park-Kenwood Historic District (Boundary Increase II) | district | 1986 | 86001041 |
 | Hyde Park-Kenwood Historic District (Boundary Increase II) | district | 1986 | 86001041 |
 | Hyde Park-Kenwood Historic District (Boundary Increase) | district | 1984 | 84000996 |
| IBM Building | building | 2010 | 09000166 |
 | Illinois Industrial School for Girls | district | 1998 | 98000978 |
 | Immaculata High School | building | 1977 | 77000476 |
| Immanuel Lutheran Church and Parsonage | building | 2024 | 100010215 |
 | Independence Park | district | 2009 | 09000023 |
 | Indian Boundary Park | district | 1995 | 95000485 |
 | Inland Steel Building | building | 2009 | 09000024 |
 | International Tailoring Company Building | building | 2008 | 07001474 |
 | James B. Irving House | building | 2021 | 100006102 |
| J. P. Smith Shoe Company Factory | building | 2026 | 100012477 |
 | Jackson Shore Apartments | building | 2010 | 10000175 |
| James C. Curtis & Co. Building | building | 2024 | 100011204 |
| James E. Plew Building | building | 2022 | 100007999 |
 | Jefferson Park | district | 2006 | 06000679 |
 | Jeffery-Cyril Historic District | district | 1986 | 86001007 |
 | Jewelers' Building | building | 1974 | 74000752 |
 | Jewish People's Institute | building | 1978 | 78001122 |
 | Judson, The | building | 1984 | 84000998 |
 | K-Town Historic District | district | 2010 | 10000724 |
 | Kehilath Anshe Ma'ariv Synagogue | building | 1973 | 73000696 |
 | Kenilworth Club | building | 1979 | 79000832 |
 | Kennicott's Grove | building | 1973 | 73000698 |
 | Sydney Kent House | building | 1977 | 77000477 |
 | Kenwood Evangelical Church | building | 1991 | 91000570 |
 | William W. Kimball House | building | 1971 | 71000291 |
 | Patrick J. King House | building | 1983 | 83000311 |
| Kosciuszko Park Field House | building | 2013 | 13000830 |
| Krause Music Store | building | 2006 | 06000452 |
| Louis B. Kuppenheimer Jr. House | building | 2017 | 98000980 |
 | La Grange Village Historic District | building | 1979 | 79000834 |
 | Lake Shore Apartments | building | 1984 | 84001000 |
 | Lake-Side Terrace Apartments | building | 1984 | 84000289 |
 | Lakeside Press Building | building | 1976 | 76000694 |
| Lakeview Historic District | district | 1977 | 77000478 |
| Lakeview Historic District (Boundary Increase) | district | 1986 | 86001042 |
 | Lakewood Balmoral Historic District | district | 1999 | 99000162 |
| Laramie State Bank Building | building | 2023 | 100008873 |
 | Mads C. Larson House | building | 1992 | 92000490 |
 | Bryan Lathrop House | building | 1974 | 74000753 |
 | Julia C. Lathrop Homes | district | 2012 | 12000025 |
 | Victor F. Lawson House YMCA | building | 2017 | 100000959 |
 | Leaning Tower of Niles, The | structure | 2019 | 100003645 |
 | Henry E. Legler Regional Branch of the Chicago Public Library | building | 1986 | 86003169 |
 | Leiter II Building | building | 1976 | 76000695 |
 | Lemont Central Grade School | building | 1975 | 75000656 |
 | Lemont Downtown Historic District | district | 2016 | 16000582 |
 | Lemont Methodist Episcopal Church | building | 1986 | 86001031 |
 | Frank R. Lillie House | building | 1976 | 76000696 |
 | Lincoln Park Lily Pool | district | 2006 | 06000235 |
 | Lincoln Park, South Pond Refectory | building | 1986 | 86003154 |
 | Lindemann and Hoverson Company Showroom and Warehouse | building | 2008 | 08001095 |
 | Linden Avenue Terminal | building | 1984 | 84001002 |
 | Henry Demarest Lloyd House | building | 1966 | 66000320 |
 | Logan Square Boulevards Historic District | district | 1985 | 85002901 |
 | Loop Retail Historic District | district | 1998 | 98001351 |
 | Lou Mitchell's Restaurant | building | 2006 | 06000376 |
 | Charles N. Loucks House | building | 1984 | 84001006 |
 | Ludington Building | building | 1980 | 80001347 |
 | Lumber Exchange Building and Tower Addition | building | 2007 | 07001238 |
 | Timothy J. Lynch House | building | 1992 | 92000047 |
 | Lyons Township Hall | building | 1978 | 78001138 |
 | Albert F. Madlener House | building | 1970 | 70000234 |
 | George W. Maher House | building | 1979 | 79000833 |
 | Malden Towers | building | 1983 | 83003560 |
 | Mandel Brothers Warehouse Building | building | 1993 | 93000841 |
| Manhattan Building | building | 1976 | 76000697 |
 | Manor House | building | 1987 | 87001290 |
 | Maple Court Apartments | building | 1984 | 84001013 |
 | Mark Twain Hotel | building | 2017 | 100000961 |
 | Market Square | building | 1969 | 69000054 |
| Marquette Building | building | 1973 | 73000697 |
 | Marshall Field Company Store | building | 1978 | 78001123 |
 | Marshall Field and Company Store | building | 1988 | 87002510 |
 | Marshall Hotel | building | 2017 | 100001833 |
 | Marywood Academy | building | 2006 | 06000007 |
 | Masonic Temple Building | building | 1982 | 82002532 |
 | Masonic Temple Building | building | 1992 | 92000491 |
 | Lola Maverick Lloyd House | building | 2006 | 05001606 |
 | Maxwell-Briscoe Automobile Company Showroom | building | 2002 | 02001349 |
 | Mayfair Apartments | building | 1986 | 86001198 |
 | Isaac N. Maynard Rowhouses | building | 2004 | 04000077 |
 | Maywood Fire Department Building | building | 1992 | 92000492 |
 | McClurg Building | building | 1970 | 70000235 |
 | William McJunkin House | building | 2006 | 06000104 |
| Meekerville Historic District | district | 2006 | 06000383 |
 | Melwood Apartments | building | 1984 | 84001016 |
 | Michigan-Lee Apartments | building | 1984 | 84001018 |
 | Michigan-Wacker Historic District | district | 1978 | 78001124 |
| Mid-City Trust and Savings Bank | building | 2023 | 100009254 |
 | Midwest Athletic Club | building | 1984 | 84000138 |
 | Allan Miller House | building | 1991 | 91001082 |
 | Robert A. Millikan House | building | 1976 | 76000699 |
 | Caroline Millward House | building | 1992 | 92000493 |
 | Monadnock Block | building | 1970 | 70000236 |
 | Montgomery Ward Company Complex | building | 1978 | 78001125 |
 | John Rogerson Montgomery House | building | 2004 | 04000974 |
 | J. Sterling Morton High School East Auditorium | building | 1983 | 83000312 |
 | John Lothrop Motley School | building | 2017 | 100001562 |
 | Motor Row Historic District | district | 2002 | 02001387 |
| Muddy Waters House | building | 2022 | 100008485 |
| Muhammad, The Honorable Elijah, House | building | 2022 | 100007536 |
 | Muller House | building | 1979 | 79000819 |
 | Mundelein College Skyscraper Building | building | 1980 | 80001348 |
 | Municipal Courts Building | building | 1985 | 85001912 |
 | Municipal Pier | structure | 1979 | 79000825 |
 | Museum of Science and Industry | building | 1972 | 72001565 |
 | Narragansett, The | building | 2005 | 05000107 |
 | Neuville, The | building | 2013 | 12001113 |
 | New Masonic Building and Oriental Theater | building | 1978 | 78003401 |
 | Harry H. Nichols House | building | 1992 | 92000045 |
 | Samuel Nickerson House | building | 1976 | 76000700 |
 | Noble-Seymour-Crippen House | building | 2000 | 00000950 |
| North Mayfair Bungalow Historic District | district | 2006 | 05001608 |
 | North Wells Street Historic District | district | 1984 | 84001021 |
 | Northeast Evanston Historic District | district | 1999 | 99000979 |
 | Northwestern Terra Cotta Company Building | building | 1989 | 88003245 |
 | Norwood Park Historical District | district | 2002 | 02001350 |
 | Notre Dame de Chicago | building | 1979 | 79000826 |
 | O'Grady, Mr. J. William de Coursey, House | building | 2008 | 08001167 |
 | Oak Circle Historic District | district | 2001 | 01000668 |
| Oak Lawn School | building | 1990 | 90001725 |
 | Oak Park Conservatory | building | 2005 | 04001298 |
| Oak Park Village Hall | building | 2014 | 14000505 |
 | Oak Ridge Apartments | building | 1984 | 84001025 |
 | Oakton Gables | building | 1984 | 84001024 |
 | Oakton Historic District | district | 2005 | 05000106 |
 | Octagon House | building | 1979 | 79000820 |
 | Old Chicago Historical Society Building | building | 1978 | 78001126 |
 | Old Colony Buildings | building | 1976 | 76000701 |
 | Old Main Building | building | 1982 | 82002529 |
 | Old Stone Gate of Chicago Union Stockyards | structure | 1972 | 72000451 |
 | Old Town Triangle Historic District | district | 1984 | 84000347 |
 | Oliver Building | building | 1983 | 83003563 |
| Olympia Fields Country Club | district | 2001 | 01000082 |
| On Leong Merchants Association Building | building | 2025 | 100012168 |
 | One LaSalle Street Building | building | 1999 | 99001378 |
 | Orchestra Hall | building | 1978 | 78001127 |
 | Orth House | building | 1976 | 76000708 |
 | Otis Elevator Company Factory Building | building | 2008 | 08001097 |
 | Ouilmette North Historic District | district | 2005 | 05001370 |
| Our Lady of Lourdes Parish | building | 2025 | 100011690 |
| Our Lady of the Holy Rosary Church/Holy Rosary Church | building | 2024 | 100010217 |
 | Overton Hygienic Building | building | 1986 | 86001091 |
 | Anthony Overton Elementary School | building | 2016 | 16000578 |
 | Pacesetter Gardens Historic District | district | 2005 | 05001252 |
 | Page Brothers Building | building | 1975 | 75000649 |
 | Palmer Park | district | 2007 | 07000855 |
 | Palmolive Building | building | 2003 | 03000784 |
| Parkway Garden Homes | district | 2011 | 11000848 |
 | Passionist Fathers Monastery | building | 2013 | 13000048 |
 | Charles H. Patten House | building | 2006 | 06001018 |
 | Pattington Apartments | building | 1980 | 80001349 |
 | Elizabeth Peabody School | building | 2017 | 100001923 |
 | Peck and Hills Furniture Company Warehouse | building | 2015 | 15000225 |
 | Peoples Gas Building | building | 1984 | 84000293 |
 | Dwight Perkins House | building | 1985 | 85001908 |
 | Pickwick Theater Building | building | 1975 | 75000657 |
 | Pilsen Historic District | district | 2006 | 05001609 |
| Pioneer Trust and Savings Bank | building | 2023 | 100009372 |
 | Pleasant Home | building | 1972 | 72000454 |
 | Poinsetta Apartments | building | 1986 | 86001199 |
 | Polish National Alliance Headquarters | building | 2014 | 14001063 |
 | Polish Roman Catholic Union of America | building | 2013 | 12001114 |
 | Pontiac Building | building | 1976 | 76000702 |
 | Portage Park | district | 1995 | 95000484 |
 | Portage Park Bungalow Historic District | district | 2014 | 14000620 |
 | Prairie Avenue District | district | 1972 | 72000452 |
 | Produce Terminal Cold Storage Company Building | building | 2003 | 03000538 |
 | Promontory Apartments | building | 1996 | 96001281 |
| Promontory Point | district | 2018 | 100001970 |
 | Pulaski Park and Fieldhouse | building | 1981 | 81000217 |
 | George E. Purple House | building | 2005 | 05000845 |
| Pyle-National Company Plant | building | 2021 | 100006017 |
 | Quigley Preparatory Seminary | building | 1996 | 96000093 |
 | Quinlan Hall | building | 2005 | 05000871 |
 | Quinn Chapel of the A.M.E. Church | building | 1979 | 79000827 |
 | Railway Exchange Building | building | 1982 | 82002530 |
 | Ramova Theater | building | 2021 | 100007223 |
 | Ramsey, Charles N., and Herry E. Weese House | building | 2009 | 09000167 |
 | Ravenswood Manor Historic District | district | 2008 | 08000836 |
| Ravisloe Country Club | district | 2021 | 100006865 |
 | Raymond M. Hilliard Center Historic District | district | 1999 | 99001072 |
 | Raymond Park Apartments | building | 2002 | 85003581 |
 | Reebie Moving and Storage Company | building | 1979 | 79000828 |
 | Harriet F. Rees House | building | 2007 | 07000458 |
 | Reid House | building | 2003 | 03000783 |
 | Reid Murdoch Building | building | 1975 | 75000650 |
 | Reliance Building | building | 1970 | 70000237 |
 | Ridge Boulevard Apartments | building | 1984 | 84001028 |
 | Ridge Grove | building | 1984 | 84001030 |
 | Ridge Historic District | building | 1976 | 76000703 |
 | Ridge Manor | building | 1984 | 84001034 |
 | Ridgeland-Oak Park Historic District | district | 1983 | 83003564 |
 | Ridgewood | building | 1978 | 78001136 |
 | Jacob A. Riis Park | district | 1995 | 95000483 |
| River Forest Historic District | building | 1977 | 77000483 |
 | Riverside Water Tower | structure | 1969 | 69000055 |
 | John Robertson Jr. House | building | 2014 | 14001064 |
 | Frederick C. Robie House | building | 1966 | 66000316 |
 | Robinson House | building | 1992 | 92000046 |
 | Roche, Martin-John Tait House | building | 2000 | 00001338 |
 | Rogers Park Manor Bungalow Historic District | district | 2005 | 05001258 |
 | Robert Roloson Houses | building | 1977 | 77000479 |
 | Rookery Building | building | 1970 | 70000238 |
 | Rookwood Apartments | building | 1984 | 84001043 |
 | Room 405, George Herbert Jones Laboratory, The University of Chicago | building | 1967 | 67000005 |
 | Ropp-Grabill House | building | 1985 | 85000840 |
 | Rosehill Cemetery Administration Building and Entry Gate | building | 1975 | 75000651 |
 | Rosenwald Apartment Building | building | 1981 | 81000218 |
 | Rothschild, A. M., & Company Store | building | 1989 | 89002025 |
| Royalton Hotel | building | 2024 | 100010782 |
 | Roycemore School | building | 1987 | 87001256 |
 | Theodore Rozek House | building | 2011 | 11000779 |
 | S.R. Crown Hall | building | 2001 | 01001049 |
 | Sauganash Historic District | district | 2010 | 10000310 |
| Schlitz Brewery-Tied House | building | 2022 | 100008489 |
| Schoenhofen Brewery Historic District | building | 1978 | 78001128 |
 | Schorsch Irving Park Gardens Historic District | district | 2004 | 04000075 |
 | Schulze Baking Company Plant | building | 1982 | 82000393 |
 | Carl Schurz High School | building | 2011 | 11000031 |
 | Paul Schweikher House and Studio | building | 1987 | 87000098 |
| Scoville Place | district | 2002 | 02001351 |
| Sears, Roebuck and Company Complex | building | 1978 | 78001129 |
 | Second Presbyterian Church | building | 1974 | 74000754 |
 | Shakespeare Garden | site | 1988 | 88002234 |
 | Shedd Park Fieldhouse | building | 1974 | 74000755 |
 | John G. Shedd Aquarium | building | 1987 | 87000820 |
 | Sheffield Historic District | district | 1976 | 76000704 |
| Sheffield Historic District (Boundary Increase II) | district | 1985 | 85001333 |
| Sheffield Historic District (Boundary Increase III) | district | 1986 | 86001474 |
| Sheffield Historic District (Boundary Increase) | district | 1983 | 83000313 |
 | Sheridan Park Historic District | district | 1985 | 85003352 |
 | Sheridan Plaza Hotel | building | 1980 | 80001350 |
 | Sheridan Square Apartments | building | 1984 | 84001050 |
 | Sherman Park | district | 1990 | 90000745 |
 | Shoreland Hotel | building | 1986 | 86001201 |
 | Shoreline Apartments | building | 2017 | 100001563 |
 | Mr. Robert Silhan House | building | 2007 | 07000062 |
 | Silversmith Building | building | 1997 | 97000435 |
 | Singer Building | building | 1983 | 83000314 |
 | J. P. Smith Shoe Company Plant | building | 1985 | 85002842 |
 | Albert Soffel House | building | 1992 | 92000494 |
| Soldier Field | building | 1984 | 84001052 |
 | Somerset Hotel | building | 2000 | 00000153 |
 | South Dearborn Street-Printing House Row Historic District | district | 1976 | 76000705 |
 | South Loop Printing House District | district | 1978 | 78001130 |
 | South Park Manor Historic District | district | 2004 | 04000076 |
 | South Shore Beach Apartments | building | 1978 | 78001131 |
 | South Shore Bungalow Historic District | district | 2008 | 08001168 |
 | South Shore Country Club | building | 1975 | 75000652 |
 | South Side Community Art Center | building | 2018 | 100002914 |
 | South Water Market | building | 2004 | 04000870 |
 | Spiegel Office Building | building | 2009 | 09000025 |
 | St. Ignatius College | building | 1977 | 77000480 |
 | St. James Catholic Church and Cemetery | site | 1984 | 84001047 |
 | St. Luke's Hospital Complex | building | 1982 | 82000392 |
 | St. Matthew Evangelical Lutheran School | building | 2000 | 99001710 |
 | St. Patrick's Roman Catholic Church | building | 1977 | 77000481 |
 | St. Thomas Church and Convent | building | 1978 | 78001132 |
 | Steuben Club, The | building | 2007 | 07000457 |
| Stone Temple Baptist Church | building | 2022 | 100008484 |
 | Stoneleigh Manor | building | 1984 | 84001057 |
 | Stony Island Trust and Savings Bank Building | building | 2013 | 13001002 |
| Storkline Furniture Corporation Factory | building | 2013 | 13000049 |
 | Story-Camp Rowhouses | building | 1980 | 80001351 |
 | Strand Hotel | building | 2013 | 12001237 |
 | Jesse L. Strauss Estate | building | 2014 | 14001065 |
 | Studebaker Building | building | 1975 | 75000653 |
 | Joseph P. O. Sullivan House | building | 1992 | 92000495 |
 | Sunderlage Farm Smokehouse | building | 1990 | 89001210 |
 | Sutherland Hotel | building | 2011 | 11000243 |
 | Swedish American Telephone Company Building | building | 1985 | 85002286 |
 | Swedish Club of Chicago | building | 1985 | 85003031 |
 | Swift House | building | 1978 | 78001133 |
 | Sylvan Road Bridge | site | 1978 | 78001137 |
 | Lorado Taft Midway Studios | building | 1966 | 66000317 |
 | Talman West Ridge Bungalow Historic District | district | 2008 | 08001169 |
 | Teich, Curt, and Company Building | building | 1990 | 90000340 |
| The Charles and Emma Brodt House | building | 2025 | 100012165 |
| The Hunt Club | building | 2024 | 100011202 |
| The Richard E. and Charlotte Henrich House | building | 2023 | 100009685 |
| The Rockwell House | building | 2024 | 100010711 |
 | Theurer-Wrigley House | building | 1980 | 80001352 |
 | Third Church of Christ, Scientist | building | 2016 | 16000733 |
 | Frank Thomas House | building | 1972 | 72000455 |
 | Jennie S. Thompkins House | building | 1992 | 92000496 |
 | George R. Thorne House | building | 1997 | 97000381 |
 | F.F. Tomek House | building | 1999 | 99000632 |
 | Tree Studio Building and Annexes | building | 1974 | 74000756 |
 | Tri-Taylor Historic District | district | 1983 | 83000315 |
| Tri-Taylor Historic District (Boundary Increase) | district | 1988 | 87002540 |
 | Trumbull Park | district | 1995 | 95000486 |
 | Trustees System Service Building | building | 1998 | 98001132 |
 | Tudor Manor | building | 1984 | 84001058 |
 | Twin Tower Sanctuary | building | 1988 | 88002235 |
 | U-505 (IX C U-Boat) | structure | 1989 | 89001231 |
| USS SILVERSIDES (SS 236) National Historic Landmark | structure | 1972 | 72001566 |
 | Union Park Congregational Church and Carpenter Chapel | building | 2006 | 06000446 |
 | Union Park Hotel | building | 2010 | 10000309 |
 | United States Custom House | building | 2016 | 16000492 |
 | United States Post Office-Chicago | building | 2001 | 01000868 |
 | Unity Hall | building | 1986 | 86001092 |
 | Unity Temple | building | 1970 | 70000240 |
 | University Apartments | building | 2005 | 04001301 |
 | Uptown Broadway Building | building | 1986 | 86003143 |
| Uptown Square Historic District | district | 2000 | 00001336 |
 | Vassar Swiss Underwear Company Building | building | 2008 | 07000859 |
 | Vesta Accumulator Company Building | building | 2013 | 12001115 |
| Robert Vial House | building | 2007 | 07000853 |
 | Victory Sculpture | object | 1986 | 86001089 |
 | Villa Historic District | building | 1979 | 79000830 |
| Villa Historic District (Boundary Increase) | district | 1983 | 83000316 |
 | Karl Vogt Building | building | 1988 | 87002499 |
 | Wabash Avenue YMCA | building | 1986 | 86001095 |
 | William Waller House | building | 1980 | 80001346 |
 | Joseph J. Walser House | building | 2013 | 13000185 |
 | Seth Warner House | building | 1982 | 82002531 |
 | Edward Kirk Warren House and Garage | building | 1986 | 86000136 |
 | Washington Park | district | 2004 | 04000871 |
| Washington Square | site | 1991 | 91000566 |
 | Washington Square Historic District | district | 2003 | 03000786 |
 | Ida B. Wells-Barnett House | building | 1974 | 74000757 |
| Werner Brothers Storage Warehouse No. 6 | building | 2024 | 100010783 |
 | West Argyle Street Historic District | district | 2010 | 10000311 |
| West Argyle Street Historic District (Boundary Increase) | district | 2013 | 13000555 |
| West Argyle Street Historic District (Boundary Increase) | district | 2013 | 13000555 |
 | West Burton Place Historic District | district | 2007 | 07001239 |
 | West Chatham Bungalow Historic District | district | 2010 | 10000176 |
 | West Jackson Boulevard District | building | 1978 | 78001134 |
 | West Jackson Historic District (Boundary Increase) | building | 1989 | 89001729 |
 | West Loop-LaSalle Street Historic District | district | 2013 | 12001238 |
 | West Pullman Elementary School | building | 2018 | 100002822 |
 | Western Springs Water Tower | site | 1981 | 81000219 |
 | Westminster | building | 1984 | 84001061 |
 | Wheeler-Kohn House | building | 1999 | 99000975 |
 | Wheeler-Magnus Round Barn | building | 1992 | 92001017 |
 | Wholesale Florists Exchange | building | 2011 | 11000849 |
 | Wicker Park Historic District | district | 1979 | 79000831 |
 | Wild Flower and Bird Sanctuary in Mahoney Park | site | 1985 | 85000772 |
 | Frances Willard House | building | 1966 | 66000318 |
 | Dr. Daniel Hale Williams House | building | 1975 | 75000655 |
| Wilmette Village Center Historic District | district | 2023 | 100008874 |
 | William H. Winslow House And Stable | building | 1970 | 70000242 |
 | Woman's Christian Temperance Union Administration Building | building | 2002 | 02000849 |
 | Woman's Club of Evanston | building | 2006 | 06001020 |
 | Wooden Alley | structure | 2002 | 02000543 |
| Frank Lloyd Wright House and Studio | building | 1972 | 72000456 |
| Wrightwood Bungalow Historic District | district | 2004 | 04000975 |
 | Wrigley Field | structure | | 87002652 |
 | YMCA Hotel | building | 1989 | 89001202 |
 | Yale, The | building | 1998 | 98000178 |
 | Yondorf Block and Hall | building | 1984 | 84000297 |
 | Joshua P. Young House | building | 1982 | 82002525 |