BlockBefore
Photograph of Colony House
Photograph by Los Angeles, CC BY-SA 3.0. Via Wikimedia Commons.

Colony House

Listed on the National Register of Historic Places in 1978. 12 historic topographic surveys show this location, the earliest from 1900.

From the record

One of 39 National Register listings published here for Ventura County · listed in 1978 · category: Building.

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

The listing

  • What is counted as historic. The nomination lists 1 building as contributing to the listing.
  • Address. 137 Strathearn Pl., Simi, 93065
  • When was it listed? September 1978
  • Category. building
  • Census division. Simi Valley
  • National Register reference number. 78000824 - 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

1900 to 1979

The ground this property stands on, surveyed 79 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

Topographic sheet covering Colony House, surveyed 1979
Topographic sheet covering Colony House, surveyed 1900

Fires near this property

45 since 1994

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 45 fires within 5 miles of Colony House between 1994 and 2020, burning about 2,479 acres in total. 2 started naturally. 3 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/undetermined30
Misuse of fire by a minor3
Arson/incendiarism3
Equipment and vehicle use3
Recreation and ceremony2
Natural2
Fireworks1
Smoking1

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

DateCause SizeReported by Name on the report
9 September 2020Missing data/not specified/undetermined3.0 acresVentura County Fire Departmentnot named
9 September 2020Missing data/not specified/undetermined3.2 acresVentura County Fire DepartmentCOVINGTON
9 September 2015Missing data/not specified/undeterminedunder an acreSanta Monica Mountains National Recreation AreaLATIGO
28 September 2005Missing data/not specified/undetermined30 acresCalifornia Department of Forestry & Fire Protectionnot named
10 September 2007Missing data/not specified/undetermined100 acresCalifornia Department of Forestry & Fire Protectionnot named
9 August 2005Missing data/not specified/undeterminedunder an acreCalifornia Department of Forestry & Fire Protectionnot named
25 August 2019Missing data/not specified/undeterminedunder an acreVentura County Fire Departmentnot named
18 August 1994Naturalunder an acreSan Bernardino National Forestnot named

Every fire recorded in Ventura 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 Colony House: 5 past producers, 1 producer. 1 still produces. What was taken out: 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.

Where SiteCommodity StatusRecorded
Unnamed QuarryStone, Crushed/BrokenPast Producer
Bixby Rd PitSand and Gravel, ConstructionPast Producer
Blue Star PitSand and Gravel, ConstructionProducer
Gravel PitSand and Gravel, ConstructionPast Producer
Runkle Canyon PitSand and Gravel, ConstructionPast Producer
Unnamed Gravel PitSand and Gravel, ConstructionPast Producer

Every working recorded in Ventura County

Maps showing this location

12 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.

Listed places nearby

3 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.

Photograph PropertyDistance Listed
Simi Adobe-Strathearn Houseunder 500 feet1978
Joel McCrea Ranch3.9 miles1997
Grandma Prisbrey's Bottle Village5.6 miles1996

Sources for this property

National Archives recordThe nomination case file for reference 78000824 in Record Group 79.
Wikipedia articleCommunity-written account of this property, licensed CC BY-SA.
Ventura CountyAll 39 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.