North Ranch, California
30 topographic sheets cover this place, the earliest surveyed in 1900 and the latest in 1979. It stands in the Thousand Oaks census division. It lies in ZIP code area 91362. The Survey maps it on the Thousand Oaks quadrangle.
Then and now
1900 to 1979The same ground, surveyed 79 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.


Compare 1900 against another survey:
Topographic sheets covering this place
14 surveys from 30 printed sheetsMatched by testing this settlement's coordinate against the published boundary of every sheet in the United States Geological Survey's historical collection. Each opens the scanned sheet at the Survey.
- 1900 USGS Triunfo Pass quadrangle1:62500, 2 printings
- 1903 USGS Camulos quadrangle1:125000, 5 printings
- 1921 USGS Triunfo Pass quadrangle1:62500, 3 printings
- 1932 USGS Russell Valley quadrangle1:24000, 2 printings
- 1943 USGS Triunfo Pass quadrangle1:62500
- 1949 USGS Los Angeles quadrangle1:250000, 2 printings
- 1950 USGS Thousand Oaks quadrangle1:24000, 5 printings
- 1952 USGS Thousand Oaks quadrangle1:24000
- 1955 USGS Los Angeles quadrangle1:250000
- 1959 USGS Los Angeles quadrangle1:250000, 3 printings
- 1966 USGS Los Angeles quadrangle1:250000
- 1975 USGS Los Angeles quadrangle1:250000, 2 printings
- 1976 USGS Thousand Oaks quadrangle1:24000
- 1979 USGS Los Angeles quadrangle1:100000
Fires near this place
91 since 1992Regional context, not property-specific evidence. The federal wildfire occurrence database lists 91 fires within 5 miles of North Ranch between 1992 and 2020, burning about 39,148 acres in total. 1 started naturally. 5 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 | 55 |
| Smoking | 11 |
| Equipment and vehicle use | 11 |
| Arson/incendiarism | 5 |
| Misuse of fire by a minor | 4 |
| Debris and open burning | 2 |
| Natural | 1 |
| Recreation and ceremony | 1 |
| Fireworks | 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 |
|---|---|---|---|---|
| 9 September 2015 | Missing data/not specified/undetermined | under an acre | Santa Monica Mountains National Recreation Area | LATIGO |
| 3 September 2017 | Missing data/not specified/undetermined | 1.0 acres | California Department of Forestry & Fire Protection | not named |
| 27 September 2010 | Missing data/not specified/undetermined | 42 acres | Santa Monica Mountains National Recreation Area | HAMPSHIRE |
| 21 September 2009 | Smoking | under an acre | California Department of Forestry & Fire Protection | not named |
| 2 September 1998 | Natural | under an acre | Santa Monica Mountains National Recreation Area | SHERWOOD |
| 16 September 1993 | Debris and open burning | 50 acres | Santa Monica Mountains National Recreation Area | LIBERTY |
| 15 September 2005 | Missing data/not specified/undetermined | under an acre | California Department of Forestry & Fire Protection | not named |
| 30 August 1993 | Smoking | 20 acres | Santa Monica Mountains National Recreation Area | LOST HILLS |
Settlements close enough to share some of these fires:
Mines and quarries near this place
7 within 5 milesRegional context, not property-specific evidence. The federal mineral resources record lists 7 workings within 5 miles of North Ranch: 3 past producers, 2 occurrences, 1 producer, 1 prospect. 1 still produces. What was taken out: Sand and Gravel, Construction, Copper, Nickel, Copper, Copper, Nickel. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.
| Where | Site | Commodity | Status | Recorded |
|---|---|---|---|---|
| Ventura Mine | Nickel, Copper | Occurrence | 1932 | |
| Ventura Mine | Copper, Nickel | Past Producer | Chalcopyrite, Millerite, Pentlandite, Pyrrhotite | |
| Ventura Mine | Nickel, Copper | Prospect | ||
| Prospect Mine | Copper | Occurrence | ||
| Quality Rock Company Sand and Gravl | Sand and Gravel, Construction | Producer | ||
| Unnamed Gravel Pit | Sand and Gravel, Construction | Past Producer | ||
| Unnamed Gravel Pit | Sand and Gravel, Construction | Past Producer |
Nearest settlements
The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.
| Map | Place | Distance | Sheets |
|---|---|---|---|
| Thousand Oaks | 2.0 miles | 30 | |
| Greenwich Village | 2.6 miles | 30 | |
| Triunfo Corner | 2.7 miles | 30 | |
| Oak Park | 3.3 miles | 31 | |
| Mountclef Village | 4.1 miles | 28 | |
| Newbury Park | 4.9 miles | 28 | |
| Simi Valley | 5.4 miles | 27 | |
| Strathearn | 5.9 miles | 27 |
Elsewhere
Matched on this settlement's Geographic Names Information System number rather than its name, so it cannot be a different place of the same name in another state.
| Wikidata item Q122562004 | The structured record the population and elevation above come from. Public domain (CC0). |
Provenance
This settlement is recorded in the Geographic Names Information System as feature 1871424. The sheet list is computed by point-in-boundary test against the United States Geological Survey's historical topographic inventory. Both are works of the United States government and carry no copyright under 17 U.S.C. 105.
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.













