Photograph by National Park Service, Public domain. Via
Wikimedia Commons.
Los Alamos Ranch House
A National Historic Landmark. Listed on the National Register of Historic Places in 1970. 15 historic topographic surveys show this location, the earliest from 1905.
From the record
“The Los Alamos Ranch House is a historic adobe house near Los Alamos in northern Santa Barbara County, California. The house, the centerpiece of Rancho Los Alamos, was built about 1840, and is one of the best-preserved examples of domestic architecture from California's Mexican period.”
Wikipedia article Los Alamos Ranch House, CC BY-SA 4.0.
One of 38 National Register listings published here for Santa Barbara County · listed in 1970 · category: Building · a National Historic Landmark.
National Register reference number.70000148- 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
1905 to 1989
The ground this property stands on, surveyed
84 years apart. Drag the handle to wipe between them. Both sheets are
United States Geological Survey originals; neither has been altered.
19051989
Fires near this property
56 since 2010
Regional context, not property-specific
evidence. The
federal wildfire occurrence database
lists 56 fires within 5 miles of Los Alamos Ranch House
between 2010 and 2020, burning about 452 acres in total. None started naturally. 4 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
48
Arson/incendiarism
4
Equipment and vehicle use
2
Power generation/transmission/distribution
1
Debris and open burning
1
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
22 September 2016
Missing data/not specified/undetermined
under an acre
California Department of Forestry & Fire Protection
not named
20 September 2017
Missing data/not specified/undetermined
under an acre
California Department of Forestry & Fire Protection
not named
15 September 2010
Missing data/not specified/undetermined
under an acre
California Department of Forestry & Fire Protection
not named
14 September 2017
Missing data/not specified/undetermined
under an acre
California Department of Forestry & Fire Protection
not named
29 August 2016
Missing data/not specified/undetermined
under an acre
California Department of Forestry & Fire Protection
not named
28 August 2016
Missing data/not specified/undetermined
under an acre
California Department of Forestry & Fire Protection
not named
26 August 2017
Missing data/not specified/undetermined
under an acre
California Department of Forestry & Fire Protection
not named
22 August 2017
Missing data/not specified/undetermined
under an acre
California Department of Forestry & Fire Protection
Regional context, not property-specific
evidence. The National Weather Service names
Los Alamos, the town this property stands in, in 4 storm reports between 2023 and 2026: 4 flash flood.
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.
Heavy rainfall produced flash flooding in Santa Barbara county. Highway 135 was closed from Bell Street to the Harris Grade, due to significant mud and water flowing across the roadway.
United States Geological Survey topographic
sheets whose coverage includes this point. Matched by taking the middle of the area the National Park Service maps for this listing, then
testing that coordinate against the published boundary of every sheet.
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.
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.
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