Lake Sherwood & Hidden Valley
A century-old private lake, Nicklaus golf and horse ranches along Potrero Road
Updated · Facts checked against public records; sources at the bottom of the page.
Lake Sherwood & Hidden Valley at a glance
Lake Sherwood and Hidden Valley share one road and one county plan. Potrero Road runs west from Westlake Boulevard, past the lake and across Hidden Valley toward Newbury Park, in the northern foothills of the Santa Monica Mountains. None of it is inside a city. Ventura County governs the Lake Sherwood drainage basin, about 8,252 acres, under the Lake Sherwood/Hidden Valley Area Plan. The plan was first adopted in 1987 and updated in 2020.
The lake came first. Rancher W. H. Matthiessen dammed Potrero Valley in 1904. The reservoir took its current name after its shores stood in for Sherwood Forest in Douglas Fairbanks's 1922 film Robin Hood. The Lake Sherwood community covers about 1,990 acres, including the 154-acre lake. It holds three kinds of housing: - the guard-gated Sherwood estates around Sherwood Country Club - three smaller gated neighborhoods on the north side - older homes along Lake Sherwood Drive
The 2020 Census counted 1,759 residents in the community. West of the lake, Hidden Valley is still horse country. Its ranch parcels are usually 20 acres or more, and homes draw water from private wells.
For errands, residents drive to Westlake Village, Thousand Oaks or Agoura Hills. County agencies provide public services: - Patrol: the Sheriff's East County station - Fire: Ventura County Fire Station 33, on the lakeshore - Water (Lake Sherwood community): Waterworks District No. 38, which delivers imported State Water Project water - Schools: Conejo Valley Unified
CAL FIRE maps the Lake Sherwood community and Carlisle Canyon as a Very High Fire Hazard Severity Zone, and parts of the open Hidden Valley floor as High. Being ready for wildfire is part of daily life here.
| What it is | Unincorporated communities in Ventura County: the Lake Sherwood census-designated place plus rural Hidden Valley and Carlisle Canyon, planned together under the county's Lake Sherwood/Hidden Valley Area Plan · Ventura County |
|---|---|
| Incorporated | Unincorporated Ventura County. Land use follows the Lake Sherwood/Hidden Valley Area Plan, which the Board of Supervisors adopted on July 14, 1987 and updated on September 15, 2020. |
| Population | 1,759 (2020-04-01 (2020 Census), U.S. Census Bureau, 2020 Census, Lake Sherwood CDP (1,759 people; 706 housing units), via TIGERweb. Hidden Valley and Carlisle Canyon are not a census place, so they are not included. The CA Department of Finance E-1 reports only cities and the countywide unincorporated total, so there is no 2026 estimate for this community.) |
| ZIP codes | 91361 |
| Land area | 12.9 sq mi |
| Elevation | About 970 ft at the Lake Sherwood shoreline near Fire Station 33 and about 1,020 ft on the Hidden Valley floor (USGS elevation data). Some maps give 1,194 ft for Lake Sherwood, but that figure is for a reference point on the slope south of the lake. |
| Government | There is no city government. The Ventura County Board of Supervisors makes land-use decisions under the Lake Sherwood/Hidden Valley Area Plan, working through the county Planning Division and Planning Commission. Special districts provide some services: - Waterworks District No. 38: water for the Lake Sherwood community. The supervisors serve as its board, with a citizens' advisory committee. - Triunfo Water & Sanitation District: sewer for the Lake Sherwood community. - Conejo Recreation & Park District: Lake Sherwood community only. - County Service Area 14: street lighting. |
| School districts | Conejo Valley Unified School District |
| High schools | Westlake High School (100 N. Lakeview Canyon Rd., Westlake Village) |
| Neighborhoods | 7 with their own guide (list) |
Neighborhoods of Lake Sherwood & Hidden Valley
7 neighborhoods and 14 tracts inside them, each with its own guide.
Pins mark each neighborhood's approximate center, not its boundary. Tap a pin for its guide. The dashed line is the Census Bureau boundary of Lake Sherwood (Census-designated place).
Carlisle Canyon
Carlisle Canyon is the rural canyon on the south side of Lake Sherwood in unincorporated Ventura County.
Hidden Valley
Hidden Valley is the unincorporated horse country along Potrero Road between Lake Sherwood and Newbury Park, in the Santa Monica Mountains foothills.
Lake Sherwood Drive
Lake Sherwood Drive is the ungated lakeside neighborhood of unincorporated Lake Sherwood: about 80 homes on the lake's north shore, along a public…
North Shore at Sherwood
North Shore at Sherwood is a gated hillside neighborhood of about 60 single-family homes on Ravensbury Street and Cricketfield Court, on the slope…
Sherwood Country Club Estates
Sherwood Country Club Estates is the guard-gated community on the south and west sides of Lake Sherwood, in unincorporated Ventura County.
The Glen at Sherwood
The Glen at Sherwood is a gated enclave of 26 houses on Baybrook, Rosemont and Stonecreek courts.
The Meadows at Sherwood
The Meadows at Sherwood is a gated neighborhood of 103 single-family homes on the north side of East Potrero Road, in the Lake Sherwood area of…
This section follows the planning area of Ventura County's Lake Sherwood/Hidden Valley Area Plan, about 8,252 acres of the Lake Sherwood drainage basin. The plan splits it into two parts: the Lake Sherwood Community (about 1,990 acres, including the 154-acre lake) and Hidden Valley/Carlisle Canyon. - Population: the census CDP (about 3.3 sq mi) covers only the Lake Sherwood community. The 2020 population figure leaves out Hidden Valley and Carlisle Canyon. - Mailing addresses: almost all use ZIP 91361, with Thousand Oaks, Westlake Village or Lake Sherwood as the city name. No part of the area is inside either city. County address records show that some upper Carlisle Road addresses use Malibu 90265. - Left to the Newbury Park section: the western end of Potrero Road at Wendy Drive, and Rancho Sierra Vista/Satwiwa (Newbury Park 91320). - Left to the Westlake section: the City of Thousand Oaks neighborhoods north and east of Potrero Road. Westlake's 'North Shore' on Westlake Lake is a different place from North Shore at Sherwood. - Not included: homes on Yerba Buena Road near Circle X Ranch (Malibu 90265, unincorporated Ventura County). They are in the Santa Monica Mountains, outside the Conejo Valley. - State Senate split: county GIS puts the Lake Sherwood community in Senate District 27, and Hidden Valley and Carlisle Canyon in District 21. - Parks district: the Lake Sherwood community is inside the Conejo Recreation & Park District. Hidden Valley and Carlisle Canyon are not.
Neighboring areas: Westlake Village Thousand Oaks Newbury Park
Schools serving Lake Sherwood & Hidden Valley
Conejo Valley Unified School District
TK-12
District guide: schools, maps, transfers · District website · School locator (by address)
High schools: Westlake High School (100 N. Lakeview Canyon Rd., Westlake Village)
County GIS shows the whole area inside Conejo Valley Unified School District. District campuses near the area include Westlake Elementary (1571 E. Potrero Rd.), Colina Middle (1500 E. Hillcrest Dr.) and Westlake High. Schools are set by address and attendance boundaries can change, so check each address with the district's online school locator or its current street index (conejousd.org).
School assignment goes by address: always confirm with the district's locator, or check an address against the districts' own boundary data. All districts in the region.
Services & who to call
Area-wide providers. Water, trash and some districts vary by street — confirm yours on your bill or with the provider.
| Police | Ventura County Sheriff's Office, East County (Thousand Oaks) station, 2101 E. Olsen Rd., Thousand Oaks 805-494-8200 · This station also serves as the Thousand Oaks Police Department, and it patrols nearby unincorporated areas. Its page names Hidden Valley among them. |
|---|---|
| Fire | Ventura County Fire Department, Station 33 (Lake Sherwood), 33 Lake Sherwood Dr. 805-371-0474 (station line; call 911 in an emergency) · Built in 1949 on the lakeshore. It serves Lake Sherwood, Hidden Valley and the southern part of Westlake, with Engine 33, Brush Engine 333 and Patrol 33. Station 32 (830 Reino Rd., Newbury Park) covers western Thousand Oaks and the Potrero Valley areas. |
| Water (Lake Sherwood community) | Ventura County Waterworks District No. 38 It began on March 28, 1989 as the Lake Sherwood Community Services District and became WWD 38 after voters passed Measure N in May 2015. The district covers about 2,048 acres. All of its water comes from the State Water Project. Metropolitan Water District filters and disinfects it at its Jensen plant in Granada Hills, and Calleguas MWD delivers it to the district. The district's 2025 water quality report counts 792 service connections, two reservoirs, two booster pump stations and about 19 miles of water lines, and a 2020 district presentation also lists four pressure-reducing stations. The district runs as an enterprise fund with no tax revenue, so customers' water rates and charges pay all of its costs. The Board of Supervisors is its board of directors, and a citizens' advisory committee, which meets quarterly, reviews policy, budget and rate recommendations before they go to the board. |
| Water (Hidden Valley & Carlisle Canyon) | Private wells Homes here rely on wells. The Hidden Valley Municipal Water District provides recycled water only, not drinking water. In 2020, District 38 staff reported that three Hidden Valley homes whose wells were falling in level and quality had asked to connect to district water through a private line the owners would maintain. The request needed LAFCo action to go forward. The area plan requires a water-availability study for new development in Hidden Valley and Carlisle Canyon. |
| Sewer | Triunfo Water & Sanitation District (Lake Sherwood community); private septic systems elsewhere The area plan limits the sewer system to the Lake Sherwood community. Outside it, homes use septic systems under County Environmental Health rules. |
| Electric | Southern California Edison (delivery); Clean Power Alliance (default power supplier for unincorporated Ventura County) |
| Gas | Southern California Gas Company (SoCalGas) The California Energy Commission's service-area map places the area in SoCalGas territory. Owners of rural parcels should confirm with SoCalGas that a gas line serves their property. |
| Trash & recycling | E.J. Harrison & Sons (County 'Southwest' residential service area) 805-647-1414 · The county's hauler service-area map shows Lake Sherwood, Hidden Valley and Carlisle Canyon in E.J. Harrison's Southwest area. |
| Parks district | Conejo Recreation & Park District Most of the Lake Sherwood community joined CRPD through LAFCo 81-26, the Lake Sherwood Annexation, recorded October 22, 1981. The southern and western estate lands followed through LAFCo 88-15, the Lake Sherwood Reorganization, recorded August 9, 1989, and a small 1990 addition. County GIS places Hidden Valley and Carlisle Canyon outside the district. |
| Library | Ventura County Library (Oak Park Library); City of Thousand Oaks libraries nearby, including Newbury Park Library at 2331 Borchard Rd. |
| Animal services | Ventura County Animal Services |
| Emergency alerts | VC Alert (Ventura County emergency notification system, run on Everbridge) 888-772-4482 · Free. It sends alerts in English and Spanish by phone, text, email or TTY. More information: ready.venturacounty.gov |
| Street lighting | Ventura County Service Area No. 14 County GIS shows Lake Sherwood annexed to CSA 14 in 2005 (LAFCo 04-26). The service area provides street lighting in developed unincorporated areas. |
Who represents Lake Sherwood & Hidden Valley
| Local government | There is no city government. The Ventura County Board of Supervisors makes land-use decisions under the Lake Sherwood/Hidden Valley Area Plan, working through the county Planning Division and Planning Commission. Special districts provide some services: - Waterworks District No. 38: water for the Lake Sherwood community. The supervisors serve as its board, with a citizens' advisory committee. - Triunfo Water & Sanitation District: sewer for the Lake Sherwood community. - Conejo Recreation & Park District: Lake Sherwood community only. - County Service Area 14: street lighting. |
|---|---|
| Council | None (unincorporated). |
| County supervisor | District 2: Jeff Gorell, in office since January 2023 and chair of the Board of Supervisors for 2026. He won re-election outright in the June 2, 2026 primary with 52.6% of the vote, so his new term begins in January 2027. Website: supervisorgorell.venturacounty.gov |
| State Assembly | Assembly District 42: Jacqui Irwin (D). She is term-limited. The open seat is on the November 3, 2026 ballot: Deborah Klein Lopez (D) against Ted Nordblum (R). |
| State Senate | The area is split between two districts: - Lake Sherwood community: Senate District 27, Henry Stern (D). - Hidden Valley and Carlisle Canyon: Senate District 21, Monique Limón (D), who is also Senate President pro Tempore. Both won four-year terms in 2024, so neither seat is on the 2026 ballot. |
| Congress | California's 26th District: Julia Brownley (D). On January 8, 2026 she announced she will retire when her term ends in January 2027. The November 3, 2026 race is Jacqui Irwin (D) against Sam Gallucci (R). The whole area stays in CD-26 under the district map that takes effect with the 2026 election. |
| Look up your address | Find your representatives |
Officeholders are current as of October 15, 2026. The November 3, 2026 general election may change some of them, because the Assembly District 42 and Congressional District 26 seats are open. Voters here are in county precincts named 'Sherwood'. Your sample ballot, or the Ventura County Elections Division (clerkrecorder.venturacounty.gov), shows your vote centers and drop boxes.
Wildfire and emergency readiness
Fire hazard zones: The whole area is in the State Responsibility Area. CAL FIRE's current Fire Hazard Severity Zone map (effective 2024) rates the Lake Sherwood community, Carlisle Canyon and most of Potrero Road Very High, and parts of the open Hidden Valley floor High. Ventura County Fire explains the map at fire.venturacounty.gov. Its Ready, Set, Go! guide covers defensible space and home hardening: fire.venturacounty.gov. Station 33 on Lake Sherwood Drive is the local station.
Evacuation zones: Ventura County does not assign permanent evacuation zone numbers, so you cannot look up a zone in advance. Officials define the evacuation area for each incident and announce it in these places: - VC Alert messages - VCEmergency.com (emergency.venturacounty.gov) - the county's real-time incident dashboard and map (vcoes.maps.arcgis.com)
Officials may also notify residents door to door, through Wireless Emergency Alerts and through broadcast emergency alerts. The county's evacuation terminology page explains orders, warnings and shelter-in-place: emergency.venturacounty.gov. Neighboring Los Angeles County's Genasys Protect zones stop at the county line, so they do not cover these neighborhoods. Separately, the area plan directs the Sheriff to keep a warning and evacuation plan in case the Lake Sherwood dam fails.
Alert sign-up: Register for VC Alert, which is free, at member.everbridge.net, or call 888-772-4482. More information is at ready.venturacounty.gov.
Major fires in CAL FIRE perimeter records: - 1956: Sherwood/Zuma Fire (December 28), across much of today's Lake Sherwood. - 1977: Carlisle Fire (November). - 1985: Sherwood Fire (June 30), south and east of the lake. - 1993: Green Meadows Fire (October 26), across the hills on Hidden Valley's south side and Carlisle Canyon. - 2013: Springs Fire (May 2), into the west end of Hidden Valley. - 2018: Woolsey Fire (November 8), along the mountain ridges on the area's southern edge.
Parks, places & landmarks
Parks & open space
Lake Sherwood
About 154 acres according to the county area plan, formed in 1904. Mishe Mokwa and Potrero Valley creeks and natural springs feed it. Swimming, fishing, paddleboarding and boating are allowed for homeowners who hold lake-use rights, and those rights differ by neighborhood.
Rancho Sierra Vista/Satwiwa
At the west end of Potrero Road. The Wendy Trailhead is at Wendy Drive and Potrero Road, and the main entrance is at Via Goleta off Lynn Road in Newbury Park. It has the Satwiwa Native American Indian Culture Center and trails toward Boney Mountain. Part of it burned in the 2013 Springs Fire.
Point Mugu State Park (Boney Mountain)
The park's Boney Mountain backcountry lies in the mountains south and west of Hidden Valley. Trails connect to it from Rancho Sierra Vista/Satwiwa.
Circle X Ranch & Sandstone Peak
Reached by Yerba Buena Road. The Mishe Mokwa-Sandstone Peak loop climbs to the highest point in the Santa Monica Mountains, in the headwaters of the creeks that feed Lake Sherwood.
Los Robles Trail (Potrero Road trailhead near Wendy Drive)
A COSCA-managed trail along the ridge north of Potrero Road. Routes such as Potrero Road to Angel Vista start at the west end of Hidden Valley.
Landmarks, shopping & dining
Sherwood Dam (Alturas Dam)
A 45-foot concrete arch dam that W. H. Matthiessen built in 1904. It created Potrero Lake, which was renamed Lake Sherwood after the 1922 Robin Hood film. The area plan directs the Sheriff to keep a warning and evacuation plan in case the dam fails.
Sherwood Country Club
A private, member-owned club at 320 W. Stafford Rd. Its par-72 Jack Nicklaus course formally opened October 30, 1989. The club hosted the Shark Shootout (1989-1999), Tiger Woods' World Challenge (2000-2013) and a 2016 PGA Tour Champions event.
Miramar Lake Club (formerly Sherwood Lake Club)
341 Williamsburg Way, inside the Sherwood gates. Its 18-hole Jack Nicklaus par-3 course opened in 2006. Caruso bought the club in 2026 and plans to open it under the new name in fall 2026, with an 18,000-square-foot clubhouse.
Ventura Farms
A 2,000-acre Arabian horse operation in Hidden Valley tied to David H. Murdock, at 235 W. Potrero Rd. It also rents its barns, fields and ponds as a filming location.
Ventura County Fire Station 33
The 1949 lakeside fire station on Lake Sherwood Drive. The department's own page describes it as a gathering place for community events.
Potrero Road through Hidden Valley
The valley and its road often appear on screen. Rod Stewart's 'Forever Young' video was shot on Potrero Road, and Seabiscuit filmed much of its footage in the valley.
Westlake Village, Thousand Oaks and Agoura Hills shopping
The area is almost entirely residential and has no shops of its own. Residents shop in neighboring Westlake Village, Thousand Oaks and Agoura Hills.
History & getting around
- Before Spanish contactChumash people lived along the creeks and hillsides around today's lake. Sherwood Country Club counts seventeen Chumash sites in the area and displays artifacts from two of them in its clubhouse.
- 1896W. H. Matthiessen bought the Potrero Ranch from the Banning Company.
- 1904Matthiessen built the 45-foot Alturas Dam across Potrero Valley, creating Potrero Lake. Sherwood Country Club's history calls it the oldest artificial lake in California.
- 1922Douglas Fairbanks's film Robin Hood used the lakeshore as Sherwood Forest, and the lake and community took the name.
- 1923Land around the lake was subdivided for a private lakeside community. The earliest county record maps of lots here were drawn that year, among them the Thistlebery Hill Tract and two additions in today's Sherwood estates, and the Upson Tract Addition No. 1 along today's Lake Sherwood Drive.
- 1929-1930sThe 1929 stock market crash halted the planned lakeside community. Elsie Canterbury, who had been deeded the dam and lake in 1923, sold the land west of the lake to William Randolph Hearst. Filming continued, including The Adventures of Robin Hood (1938).
- 1949The lakeside fire station that is now Ventura County Fire Station 33 was built.
- 1956The Sherwood/Zuma Fire, which started December 28, burned across much of the Lake Sherwood area.
- 1963Dayton Realty bought the lake and nearby land and proposed nearly 1,400 homes plus commercial development. Residents fought the plan, and the Board of Supervisors rejected it.
- 1978According to Ventura Farms, David H. Murdock first took an interest that year in the Hidden Valley land that became his 2,000-acre Arabian horse ranch.
- 1981Most of the Lake Sherwood community joined the Conejo Recreation & Park District through LAFCo 81-26, the Lake Sherwood Annexation, recorded October 22, 1981.
- 1983-1984Dayton drained the lake from late 1983 to summer 1984, citing dam testing. The dam was later reinforced.
- 1985Murdock bought the dry lakebed and the land around it.
- 1986Heavy rains refilled Lake Sherwood.
- 1987The Board of Supervisors adopted the Lake Sherwood/Hidden Valley Area Plan on July 14, after an environmental review and public hearings.
- 1989The Lake Sherwood Community Services District formed on March 28. The Lake Sherwood Reorganization (LAFCo 88-15), recorded August 9, added about 860 acres of new estate land to the park district. Sherwood Country Club's Jack Nicklaus course formally opened on October 30, and the club hosted its first Shark Shootout the same year.
- 1992-1993The county approved Tract 4192 (90 lots) on May 7, 1992 and Tract 4409 (49 lots, later expanded to 77) on February 11, 1993.
- 1993The Green Meadows Fire, which started October 26, burned the hills on Hidden Valley's south side.
- 2000-2013Sherwood Country Club hosted Tiger Woods' World Challenge.
- 2006The Sherwood Lake Club opened its 18-hole Jack Nicklaus par-3 course in late April.
- 2013The Springs Fire, which started May 2, burned into the western end of Hidden Valley.
- 2015Voters passed Measure N in a May special election, replacing the Lake Sherwood Community Services District with Ventura County Waterworks District No. 38.
- 2018The Woolsey Fire, which started November 8, burned along the Santa Monica Mountains ridges on the area's southern edge.
- 2020The county adopted the updated Lake Sherwood/Hidden Valley Area Plan on September 15, as part of its 2040 General Plan.
- 2025David H. Murdock died June 9 at age 102 at his Hidden Valley ranch.
- 2026Caruso bought the Sherwood Lake Club and renamed it the Miramar Lake Club. It is set to open in fall 2026.
Getting around
Potrero Road is the area's main road and its only through route. - East: Potrero Road ends at Westlake Boulevard (State Route 23). From there, drive north through Westlake to the US-101 Ventura Freeway. - South: SR-23 becomes Decker Canyon Road, a narrow, winding mountain road that reaches Pacific Coast Highway near Trancas in Malibu. - West: Potrero Road crosses Hidden Valley into Newbury Park, where Wendy Drive and Lynn Road lead north to US-101.
The county area plan points out two sharp 90-degree turns on Potrero Road. No fixed-route public transit serves the area.
HOAs here
Homeowners associations vary across the area.
- Sherwood estates: the Sherwood Valley Homeowners Association governs the guard-gated Sherwood estates.
- North shore: North Shore, The Glen and The Meadows are each gated and have their own association. Some homes pay more than one association fee.
- Lake Sherwood Drive: there is no master association. Several older lakeside lots pay no HOA dues, while the 1998 lakefront lots and a few others pay association fees.
- Lake rights: rights to use the lake differ by neighborhood. North Shore owners pay a yearly lake-use fee, and some homes in The Glen come with lake-use rights. The county area plan protects existing homeowners' lake-use rights as legally established. It also requires CC&Rs that keep the lake and dam maintained, and requires each new tract to set up CC&R or HOA funding for dam repairs.
- Clubs: Sherwood Country Club and the Miramar Lake Club are private clubs, separate from the homeowners associations.
- Hidden Valley and Carlisle Canyon: these are mostly individually owned ranch and rural parcels with no community-wide HOA. A few private-road groups, such as gated White Stallion Estates, charge their own association dues.
Homes for sale in Lake Sherwood & Hidden Valley
Every MLS listing here, with photos, prices and details, is on Properkey.
Browse homes for sale in Thousand Oaks, Lake Sherwood and Hidden Valley on Properkey
Real estate information provided by Properkey (CA DRE #01979718 · NMLS #1438783), which is not the listing broker unless stated.
Where these facts come from
- Ventura County: Lake Sherwood/Hidden Valley Area Plan (September 2020) — rma.venturacounty.gov
- Ventura County staff report: Lake Sherwood planned development permits, Tract 4192 lots (June 2023) — rma.venturacounty.gov
- Ventura County staff report: Lake Sherwood planned development permits, Tract 4409 lots (2024) — rma.venturacounty.gov
- U.S. Census Bureau TIGERweb: Lake Sherwood CDP 2020 attributes — tigerweb.geo.census.gov
- Wikipedia: Lake Sherwood, California — en.wikipedia.org
- Wikipedia: Hidden Valley, Ventura County, California — en.wikipedia.org
- Wikipedia: Sherwood Dam — en.wikipedia.org
- Wikipedia: Sherwood Country Club — en.wikipedia.org
- Conejo Valley Guide: The history of Lake Sherwood (Jan. 2026) — conejovalleyguide.com
- Sherwood Country Club: The land before the course — sherwoodcc.com
- Sherwood Country Club: Professional tournaments hosted — sherwoodcc.com
- Nicklaus Design: Sherwood Lake Club — nicklausdesign.com
- Caruso: Miramar Lake Club — caruso.com
- Caruso press release: First look at the Miramar Lake Club (July 7, 2026) — caruso.com
- Caruso newsroom: Caruso unveils first look at Miramar Lake Club (July 2026) — caruso.com
- Ventura Farms — venturafarms.com
- Wikipedia: David H. Murdock — en.wikipedia.org
- Ventura County GIS: political districts and election precincts — maps.ventura.org
- Ventura County GIS: recreation and park district boundaries and annexations — maps.ventura.org
- Ventura County GIS: water, sewer and park district boundaries — maps.ventura.org
- Ventura County GIS: trash service areas — maps.ventura.org
- CAL FIRE: Fire Hazard Severity Zones in the State Responsibility Area (FHSZSRA_23_3) — services1.arcgis.com
- CAL FIRE: California historic fire perimeters — services1.arcgis.com
- USGS Elevation Point Query Service (Fire Station 33) — epqs.nationalmap.gov
- Ventura County Waterworks District No. 38: 2025 annual water quality report — s47609.pcdn.co
- Ventura County Waterworks District No. 38 citizens' advisory committee packet (Sept. 2020) — publicworks.venturacounty.gov
- Ventura LAFCo: boundary and sphere of influence maps (special districts) — ventura.lafco.ca.gov
- Ventura County Fire Department: Station 33 — fire.venturacounty.gov
- Ventura County Fire Department: Station 32 — fire.venturacounty.gov
- Ventura County Fire Department: CAL FIRE Fire Hazard Severity Zone map update — fire.venturacounty.gov
- Ventura County Fire Department: Ready, Set, Go! — fire.venturacounty.gov
- Ventura County Sheriff's Office: East County station — sheriff.venturacounty.gov
- VC Emergency: Evacuation terminology and notifications — emergency.venturacounty.gov
- Ready Ventura County: VC Alert — ready.venturacounty.gov
- VC Alert registration (Everbridge) — member.everbridge.net
- Genasys Protect (Zonehaven) public evacuation-zone WFS — cdngeospatialcei.zonehaven.com
- Ventura County Public Works: residential trash, recycling and organics — publicworks.venturacounty.gov
- California Energy Commission: natural gas utility service areas — services3.arcgis.com
- Clean Power Alliance — cleanpoweralliance.org
- Ventura County Library: Oak Park Library — library.venturacounty.gov
- Ventura County Animal Services — animalservices.venturacounty.gov
- Conejo Valley Unified School District — conejousd.org
- Conejo Valley USD: school locator — woolpertinc.maps.arcgis.com
- Conejo Valley USD: street index — conejousd.org
- NPS: Rancho Sierra Vista/Satwiwa — nps.gov
- NPS: Circle X Ranch — nps.gov
- California State Parks: Point Mugu State Park — parks.ca.gov
- Conejo Open Space Foundation: Los Robles Trail — cosf.org
- Wikipedia: California State Route 23 — en.wikipedia.org
- Ventura County Elections: 2026 election results and voting reports — clerkrecorder.venturacounty.gov
- Ventura County: June 2, 2026 Statewide Direct Primary official final results — results.enr.clarityelections.com
- Wikipedia: 2026 California State Assembly election (District 42) — en.wikipedia.org
- Wikipedia: Jeff Gorell — en.wikipedia.org
- Wikipedia: Jacqui Irwin — en.wikipedia.org
- Wikipedia: Julia Brownley — en.wikipedia.org
- Wikipedia: Henry Stern (California politician) — en.wikipedia.org
- Wikipedia: Monique Limón — en.wikipedia.org
- California Legislature: Find Your Representative — findyourrep.legislature.ca.gov
- Ventura County recorded map 8 MR 81 — Thistlebery Hill Tract (1923) — maps.ventura.org
- Ventura County recorded map 11 MR 3 — Upson Tract Addition No. 1 (1923) — maps.ventura.org
- Ventura County recorded map 11 MR 6 — Thistlebery Hill Tract Addition No. 1 (1923) — maps.ventura.org
- Ventura County recorded map 11 MR 53 — Thistlebery Hill Tract Addition No. 2 (1923) — maps.ventura.org
- Conejo Valley USD: district-wide street index (updated April 2018) — resources.finalsite.net
- Ventura County Waterworks District No. 38: citizens' advisory committee special meeting packet (Sept. 8, 2020) — s47609.pcdn.co
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