Listed on the National Register of Historic Places in 1972.
From the record
“The Historic Park Inn Hotel and City National Bank are two adjacent commercial buildings in downtown Mason City, Iowa, United States, designed in the Prairie School style by Frank Lloyd Wright. Completed in 1910, the Park Inn Hotel is the last remaining Frank Lloyd Wright-designed hotel in the world, of the six for which he was the architect of record.”
Wikipedia article Park Inn Hotel, CC BY-SA 4.0.
One of 48 National Register listings published here for Cerro Gordo County · listed in 1972 · category: Building.
National Register reference number.72000470- the number the National Park Service assigned this property when it was listed, and the key its nomination file is catalogued under at the National Archives.
Fires near this property
3 since 2007
Regional context, not property-specific
evidence. The
federal wildfire occurrence database
lists 3 fires within 5 miles of Park Inn Hotel
between 2007 and 2011, burning about 8 acres in total. None started naturally. None was recorded as arson.
Distance is straight-line from the map coordinates, so a fire counted
here may appear on a neighbouring settlement's page as well.
Reported cause
Fires
Missing data/not specified/undetermined
3
The most recent of
them, most recent first, with the day each was reported and the service
that recorded it.
Regional context, not property-specific
evidence. The federal mineral resources record lists
35 workings within 5 miles of Park Inn Hotel: 18 producers, 16 past producers, 1 unknown.
18 still produce. What was taken out: Stone, Crushed/Broken, Sand and Gravel, Construction, Clay, Sand and Gravel, Construction, Stone, Crushed/Broken. Distance is straight-line from the
map coordinates, so a quarry counted here may appear on a neighbouring
settlement's page as well.
Regional context, not property-specific
evidence. The National Weather Service names
Mason City, the town this property stands in, in 160 storm reports between 1994 and 2025: 54 thunderstorm wind, 52 hail, 23 heavy rain, 11 flash flood.
The reports record 2 injuries. Each account below is quoted exactly as the forecast office
filed it, from the NOAA Storm Events Database, and each date
opens the federal record of that event.
The roof of a Walmart collapsed form water weight. Water was deep enough to reach the roof on cars with several submerged along Highways 65 and 122. Several roads were impassable in the city until around 0820 CST.
Multiple fields under water across northeast Cerro Gordo County. Many gravel roads have water over them. Three campgrounds were evacuated: Camp at the Woods, Wilkinson County Park and Shell Rock Preserve due to water impacting the entrances/exits.
Law Enforcement reported 1st street blocked off with water 3 to 4 feet deep and a submerged vehicle. Various locations across Mason City with 4 to 6 inches deep. Time and location estimated.
Flooding was reported at Autumn Creek Apartments. Evacuations were taking place at Rock Falls Camp Woods. Twelfth |Street was closed by the water plant.
Damage to numerous signs and other buildings around the intersection of hwy 122 and Monroe Ave. Damage done to the roof and exterior of a business at the intersection of hwy 122 and South Monroe.
Emergency manager reported multiple tree limbs down throughout the town of Mason City. Some have fallen on power lines or are blocking roads. A few power poles snapped as well. Power out in multiple locations. Time estimated by radar.
Trained spotter reported numerous 3 to 4 inch diameter tree branches down throughout Mason City along with a few larger trees down as well. Hail sized was unknown at the time. Time was estimated from radar.
No historic map-sheet match is published
for this property yet. That does not mean no map exists. This record needs
a coordinate-quality review before it can be joined to a sheet boundary.
Browse the county's mapped places while that work is
pending.
Listed places nearby
6 within 8 miles
Other National Register properties close
enough to walk or drive between, ordered by distance from this one. Both
positions come from the same geocoding pass that matched these properties
to their map sheets.
Listing record. National Park Service National Register of Historic Places, listed-properties dataset, current to 2026-05-22.
Map join. Address geocoded through the United States Census geocoder, then tested against the published boundary of every sheet in the USGS Historical Topographic Map Collection.
How this page is made. Listing fields come from federal records; map-sheet coverage is a labelled coordinate-to-boundary calculation, not a source-field claim.
Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.
Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.
Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.