City
Thousand Oaks
Thousand Oaks is an incorporated city in Ventura County with an estimated 2025 population of 122,230. It handles many rules and services inside its limits. The county still handles property records, taxes, elections, public health, and many household programs.
Starting point
Confirm the address is inside local limits first.
If the address is inside Thousand Oaks, city offices may handle local permits, code, and services. If it is outside local limits, county planning or building may handle the work instead.
What changes the answer: A mailing city is not always the same as city government jurisdiction.
Place answer
Thousand Oaks water service starts with the provider map
The city is one of four local water providers and two wastewater providers. Confirm the address before using the city start-or-stop request.
Read the local noteCity offices
Start with the task in front of you.
Thousand Oaks is incorporated. Start with the city for work inside its limits, while Ventura County still handles property records, taxes, courts, elections, many benefits, and county alerts. Ventura County handles local public health.
- Property Open the property-tax guide
Assessed value, exemptions, tax bills, and appeals
Ventura County assessor handles value and exemptions. The clerk of the board handles a formal value appeal. The tax collector handles the bill, payment, and penalties.
- Records Open the records guide
Deeds, birth and death records, marriage records, and name changes
Ventura County recorder is the usual office for deeds and many public records. Vital-record access depends on the record and year. A legal name change or divorce decree can involve Superior Court.
- Property work Open official city planning
Building permits, ADUs, zoning, code, water, and septic
Start with the city planning or building office for an address inside Thousand Oaks. Start with the county for an address outside local limits.
Browse planning and building offices - Housing Open rent and housing help
Rent rules, repairs, notices, and eviction papers
Start with a local rent, housing, or code office if one serves the address. Court papers go to the Superior Court self-help path, and the deadline on the papers keeps running.
- Household help Open the benefits guide
CalFresh, Medi-Cal, CalWORKs, General Assistance, and IHSS
Ventura County social-services agency is the main local office. Coverage, food, cash aid, and in-home support remain separate programs with separate notices.
- Public health Open health and benefits help
Vaccines, disease reporting, health records, and local health programs
Ventura County public health is the local health jurisdiction. Health coverage and benefits still use separate programs and offices.
- Business Open the business guide
Business setup, seller's permits, local licenses, and regulated work
State filings and tax accounts do not replace Thousand Oaks zoning, licensing, building, fire, or health approvals for the address.
- Neighborhood services Open official service requests
Potholes, streetlights, graffiti, trash, and service requests
For a city-maintained street or service inside Thousand Oaks, start with the local request system. County roads, Caltrans routes, utilities, private property, and separate service providers use different reporting systems.
Browse city service-request systems - School and care Open the school and care guide
School enrollment, student records, and child-care checks
The school district handles assignment and records. County offices can help with some family services, while the state licenses child-care facilities.
- Parking Open parking help
Residential, guest, overnight, and local parking permits
A local parking permit is separate from a citation, moving ticket, and toll notice. Match the permit to the address, vehicle, district, or parking facility.
- Tickets Open ticket help
Traffic court, parking citations, and toll notices
Ventura County Superior Court handles traffic court matters. A city or issuing agency handles parking. The toll operator handles toll notices.
- Safety Open emergency checks
Emergency alerts, evacuations, smoke, roads, and power
Use the county or city alert system for local warnings. Follow the local emergency office for evacuation wording, then check the matching state fire, smoke, road, or utility update.
Official city links
Start local when the address is inside Thousand Oaks.
The official website is always listed. A direct service link appears only after an official public page has been checked; an unlisted service has not been guessed.
County offices
County offices still handle countywide work.
Thousand Oaks does not replace the county for records, property taxes, courts, elections, benefits, public health, or county alerts. The official links stay together below.
Ventura County
City, county, and district responsibilities
The city line changes some rules, but not every public office.
The mailing address can say Thousand Oaks even when the property sits outside local limits. Check the city line before relying on a local rule or permit page.
City limits choose the local permit office
Inside Thousand Oaks, the city usually handles permits, zoning, parking, business licenses, and local code. Outside the city line, start with county planning or building.
The county still handles county work
Ventura County handles property value and tax bills. It also handles deeds, elections, health, and many aid programs. Living inside Thousand Oaks does not move those jobs to the city.
A provider can have its own boundary
Water, sewer, fire, schools, transit, trash, and power may belong to a special district or other provider. Use the address, parcel, or service bill to find the right agency.
Practical notes
Office, map, permit, and paperwork notes for Thousand Oaks
Place answer · Home and property · Reviewed July 14, 2026
Thousand Oaks pairs VC Alert with a four-quadrant plan
VC Alert delivers time-sensitive messages, while Thousand Oaks's four-quadrant evacuation page helps residents learn two possible routes before an incident.
Place answer · Home and property · Reviewed July 6, 2026
Thousand Oaks bulky items go through Athens with yearly limits
Thousand Oaks residents can schedule free bulky item collections through Athens, with limits on the number of collections and items each calendar year.
Place answer · Rules and licenses · Reviewed July 28, 2026
Thousand Oaks service requests can be tracked or sent anonymously
Thousand Oaks uses its service request tool for non-emergency city issues such as potholes or landscape problems, with account tracking or anonymous reporting options.
Place answer · Home and property · Reviewed July 3, 2026
Thousand Oaks permit files now lean digital
Thousand Oaks uses TO/24 for permit applications, plan checks, inspections, payments, status, records, and digital plan uploads for building work.
Countywide answer · Outdoors · Reviewed July 4, 2026
Ventura County beach water gets regular sampling
Ventura County's ocean water program monitors coastal water for bacteria and posts warnings when state standards are not met.
Countywide answer · Rules and licenses · Reviewed July 22, 2026
Ventura County zoning starts with unincorporated parcels
Ventura County Planning says its zoning tool is for parcels in unincorporated Ventura County.
Stories & Notes
Stories and local context in Ventura County
Place story · Outdoors
Conejo Valley Botanic Garden gives Thousand Oaks a hillside garden walk
Conejo Valley Botanic Garden in Thousand Oaks has hillside plant collections, views, trails, a kids' garden, and community garden programs.
Place story · History and culture
Stagecoach Inn gives Thousand Oaks an older road story
The Stagecoach Inn Museum in Newbury Park helps Thousand Oaks tell the Conejo Valley's older travel, hotel, school, ranch, and community story.
Place story · History and culture
Hill Canyon turns Thousand Oaks wastewater into reusable water
Thousand Oaks' Hill Canyon Treatment Plant treats about 8 million gallons of wastewater each day and turns it into reusable water.
Place story · Outdoors
The Santa Monica Mountains give Ventura County coast and canyon choices
Santa Monica Mountains National Recreation Area links Ventura and Los Angeles county landscapes with beaches, canyons, trails, history, and mountain views.
County place story · History and culture
Corriganville lets Simi Valley keep its movie-ranch hills
Corriganville Park preserves the Simi Valley movie-ranch landscape where western sets, television crews, weekend visitors, fires, and modern trails all share one story.
County place story · History and culture
Simi Valley has a presidential plane on a hilltop
The Reagan Library's Air Force One Pavilion gives Simi Valley a rare place where a real presidential aircraft, Cold War history, and wide valley views meet.
County place story · History and culture
Oxnard's Carnegie building keeps Plaza Park's old civic feel
The old Oxnard Carnegie Library near Plaza Park gives downtown a preserved civic landmark tied to books, public life, and later arts use.
County place story · History and culture
Strathearn Park gathers Simi Valley's older buildings in one place
Strathearn Historical Park gives Simi Valley a small historic village, with early buildings, artifacts, and docent-led tours in a quiet park setting.
- 2025 population
- 122,230
- Land area
- 55.257 sq mi
- Water area
- 0.145 sq mi