A National Historic Landmark. Listed on the National Register of Historic Places in 1970. 11 historic topographic surveys show this location, the earliest from 1921.
From the record
“The Rotchev House is a historic house at Fort Ross State Historic Park in the U.S. state of California. Built in 1812, it is the fort's only building to survive from the period of the Russian-American Company's California settlement.”
Wikipedia article Rotchev House, CC BY-SA 4.0.
One of 73 National Register listings published here for Sonoma County · listed in 1970 · category: Building · a National Historic Landmark.
National Register reference number.70000150- 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
1921 to 1998
The ground this property stands on, surveyed
77 years apart. Drag the handle to wipe between them. Both sheets are
United States Geological Survey originals; neither has been altered.
19211998
Fires near this property
85 since 1992
Regional context, not property-specific
evidence. The
federal wildfire occurrence database
lists 85 fires within 5 miles of Fort Ross Commander's House
between 1992 and 2020, burning about 112 acres in total. 1 started naturally. 2 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
32
Debris and open burning
22
Equipment and vehicle use
16
Recreation and ceremony
5
Power generation/transmission/distribution
3
Arson/incendiarism
2
Smoking
2
Misuse of fire by a minor
1
Other causes
1
Natural
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
8 September 2015
Smoking
under an acre
Sonoma-Lake Napa Unit
UMLAND CIR TIMBER_COVE
8 September 1998
Recreation and ceremony
under an acre
Northern California District
CAMPFIRE
5 September 2007
Missing data/not specified/undetermined
1.0 acres
Northern California District
UNNAMED FIRE 3652
25 September 2013
Missing data/not specified/undetermined
2.5 acres
Sonoma-Lake Napa Unit
BOHAN
23 September 1995
Debris and open burning
under an acre
Sonoma-Lake Napa Unit
GROLBERT
21 September 2016
Missing data/not specified/undetermined
under an acre
California Department of Forestry & Fire Protection
Regional context, not property-specific
evidence. The federal mineral resources record lists
7 workings within 5 miles of Fort Ross Commander's House: 4 occurrences, 1 unknown, 1 producer, 1 past producer.
1 still produces. What was taken out: Manganese, Mercury, Calcium, Calcium, Iron, Manganese, Silica. Distance is straight-line from the
map coordinates, so a quarry counted here may appear on a neighbouring
settlement's page as well.
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.
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.