La Casa Primera de Rancho San Jose

Listed on the National Register of Historic Places in 1975. 16 historic topographic surveys show this location, the earliest from 1894.

From the record

“La Casa Primera de Rancho San Jose is a historic adobe structure built in 1837 in Pomona, California. It is the oldest home located in the Pomona Valley and in the old Rancho San Jose land grant.”
Wikipedia article La Casa Primera de Rancho San José, CC BY-SA 4.0.

One of 616 National Register listings published here for Los Angeles County · listed in 1975 · category: Building.

Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

The listing

What is counted as historic. The nomination lists 1 building, 1 structure as contributing to the listing.
Address. 1569 N. Park Ave., Pomona, 91768
When was it listed? April 1975
Category. building
Census division. East San Gabriel Valley
National Register reference number. 75000436 - 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.

Then and now

1894 to 1982

The ground this property stands on, surveyed 88 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

Topographic sheet covering La Casa Primera de Rancho San Jose, surveyed 1982

Topographic sheet covering La Casa Primera de Rancho San Jose, surveyed 1894

Fires near this property

555 since 1993

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 555 fires within 5 miles of La Casa Primera de Rancho San Jose between 1993 and 2020, burning about 858 acres in total. 4 started naturally. 73 were 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	313
Arson/incendiarism	73
Equipment and vehicle use	43
Misuse of fire by a minor	41
Smoking	40
Debris and open burning	18
Power generation/transmission/distribution	14
Fireworks	7
Natural	4
Recreation and ceremony	2

The most recent of them, most recent first, with the day each was reported and the service that recorded it.

Date	Cause	Size	Reported by	Name on the report
9 September 2005	Recreation and ceremony	under an acre	California Department of Forestry & Fire Protection	not named
9 September 2005	Smoking	under an acre	California Department of Forestry & Fire Protection	not named
7 September 2013	Missing data/not specified/undetermined	under an acre	Angeles National Forest	ROCKY
7 September 2008	Missing data/not specified/undetermined	under an acre	California Department of Forestry & Fire Protection	not named
7 September 2006	Equipment and vehicle use	under an acre	California Department of Forestry & Fire Protection	not named
6 September 2006	Missing data/not specified/undetermined	under an acre	California Department of Forestry & Fire Protection	not named
5 September 2020	Debris and open burning	1.0 acres	Los Angeles County Fire Department	not named
5 September 2009	Missing data/not specified/undetermined	under an acre	California Department of Forestry & Fire Protection	not named

Every fire recorded in Los Angeles County

Mines and quarries near this property

6 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 6 workings within 5 miles of La Casa Primera de Rancho San Jose: 4 past producers, 1 prospect, 1 unknown. None of them still produces. What was taken out: Clay, Sand and Gravel, Construction, Gold, Silver. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Site	Commodity	Status	Recorded
Upland South Pit	Sand and Gravel, Construction, Gold, Silver	Past Producer
Claremont Pit	Sand and Gravel, Construction	Past Producer
Pomona Brick Co	Clay	Prospect	Sedimentary
Pomona Brick Co.	Clay	Past Producer
Unnamed Location	Clay	Unknown
Upland Pit	Sand and Gravel, Construction	Past Producer

Every working recorded in Los Angeles County

Storms near this property

3 since 1998

Regional context, not property-specific evidence. The National Weather Service names Pomona, the town this property stands in, in 3 storm reports in 1998: 1 flash flood, 1 thunderstorm wind, 1 funnel cloud. No death or injury is recorded in these reports. 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.

When	Event	Place named	Harm	What the report says
September 1998	Flash Flood	Pomona	-	no account filed
September 1998	Thunderstorm Wind	Pomona	-	no account filed
September 1998	Funnel Cloud	Pomona	-	no account filed

Every storm recorded in Los Angeles County

Maps showing this location

16 surveys

United States Geological Survey topographic sheets whose coverage includes this point. Matched by taking the coordinate the National Park Service records for this property, then testing that coordinate against the published boundary of every sheet.

1894 USGS Pomona quadrangle1:62500
1897 USGS Pomona quadrangle1:62500
1898 USGS Pomona quadrangle1:62500 - 2 printings
1901 USGS Southern California Sheet No. 1 quadrangle1:250000 - 6 printings
1904 USGS Pomona quadrangle1:62500 - 7 printings
1904 USGS Southern California Sheet No. 1 quadrangle1:250000 - 2 printings
1928 USGS Claremont quadrangle1:24000 - 3 printings
1953 USGS San Bernardino quadrangle1:250000 - 2 printings
1954 USGS San Dimas quadrangle1:24000 - 2 printings
1956 USGS San Bernardino quadrangle1:250000
1957 USGS San Bernardino quadrangle1:250000
1958 USGS San Bernardino quadrangle1:250000
1959 USGS San Bernardino quadrangle1:250000
1966 USGS San Bernardino quadrangle1:250000
1966 USGS San Dimas quadrangle1:24000 - 4 printings
1982 USGS San Bernardino quadrangle1:100000

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.

Property	Distance	Listed
Barbara Greenwood Kindergarten	under 500 feet	1978
La Casa Alvarado	0.1 miles	1978
Abraham Lincoln Elementary School	0.4 miles	1989
Lincoln Park Historic District	0.7 miles	2004
Pomona YMCA Building	1.1 miles	1986
Pomona City Stable	1.1 miles	2004

Sources for this property

National Archives record	The nomination case file for reference 75000436 in Record Group 79.
Wikipedia article	Community-written account of this property, licensed CC BY-SA.
Los Angeles County	All 616 listed properties in this county.

Provenance

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.