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§ 02
When a permit is required
Permit triggers and exempt work for Thousand Oaks
No building, structure, service equipment, or grading work may be erected, altered, or removed unless an appropriate permit is first obtained.
Detached accessory structures up to 120 square feet and up to 12 feet high with no mechanical, electrical, or plumbing requiring permits
Fences up to 6 feet
Retaining walls up to 4 feet subject to height and surcharge limits
Roof repairs or replacement up to 100 square feet or same roof-type section per 12 months
Detached decks up to 29 inches above grade
Water tanks up to 5,000 gallons on grade
Sidewalks and drives up to 30 inches above grade if not part of an accessible route
Painting, papering, tile, carpet, cabinetry, and countertops
Temporary theatrical sets, non-service shade cloth structures, certain playground accessories, and movable fixtures up to 5 feet 9 inches
Non-structural electrical exclusions such as small replacements, temporary lighting, cords, and low-voltage circuits in listed code classes
- Exempt Detached accessory structures up to 120 square feet and up to 12 feet high with no mechanical, electrical, or plumbing requiring permits
- Exempt Fences up to 6 feet
- Exempt Retaining walls up to 4 feet subject to height and surcharge limits
- Exempt Roof repairs or replacement up to 100 square feet or same roof-type section per 12 months
- Exempt Detached decks up to 29 inches above grade
- Exempt Water tanks up to 5,000 gallons on grade
- Exempt Sidewalks and drives up to 30 inches above grade if not part of an accessible route
- Exempt Painting, papering, tile, carpet, cabinetry, and countertops
- Exempt Temporary theatrical sets, non-service shade cloth structures, certain playground accessories, and movable fixtures up to 5 feet 9 inches
- Exempt Non-structural electrical exclusions such as small replacements, temporary lighting, cords, and low-voltage circuits in listed code classes
Note: Exemptions do not waive zoning, property, disability, safety, or other municipal requirements. Emergency plumbing, electrical, and mechanical repair permits must still be submitted by the next business day.
Required documents
- Written permit application with work description, property description, use or occupancy, valuation, and signature
- Construction documents and other information required by CBC Section 107
- Contractor license data or owner-builder declaration
- Workers' compensation coverage declaration where applicable
- Building code
- The City has adopted the 2022 California Building Codes as amended and incorporated into the City code.
- Permit validity
- Permit applications expire after 180 days if no permit is issued unless acted on in good faith, with extensions possible up to 90 days. Issued permits expire if no work starts within 365 days, and if work starts, the permit expires 365 days after the last successful inspection. Unlawful-construction correction permits expire after 90 days, with a possible 90-day extension. Valid permits can be extended up to 180 additional days with fees.
- Owner-builder
- Permits may be issued to qualifying owner-builders of single-family residences when the owner is a bona fide resident or owner and performs all work and supplies labor and materials. Owner-builder acknowledgment is required before permit issuance.
- Contractor requirements
- Permit applications for plumbing, mechanical, and electrical permits must be made by a properly licensed contractor or representative unless otherwise allowed by law.
Source: City of Thousand Oaks Building Division (Department of Community Development / Building) ↗
§ 03
Application process
Typical processing: No fixed permit processing-time SLA is published. Applications are processed as soon as possible when received during business hours.
- 01 Determine permit type and applicable project standards using the City's common permit examples and handouts.
- 02 Prepare digital plans and required construction documents.
- 03 Upload the permit package through TO/24 or the Application Assistant.
- 04 Obtain and pay required permit application, plan review, and related fees.
- 05 City staff complete review and issue the permit once the application is complete.
- 06 Use TO/24 to schedule inspections and view estimated inspection windows.
- 07 Request final inspection and closeout or certificate of occupancy where applicable.
Typical processing time: No fixed permit processing-time SLA is published. Applications are processed as soon as possible when received during business hours.
Source: City of Thousand Oaks Building Division (Department of Community Development / Building) ↗
§ 04
Fee schedule
Effective July 1, 2025
Fee type
Amount
01
Minimum permit fee
Permit application: $55; permit issuance: $65; small SFR or duplex building base fee: $179 plus plan review
02
Plan check fee
Plan review fee is 85% of the building permit fee.
03
Permit fee formula
Single-family and duplex fees use square-foot bands, while commercial and multifamily fees use value-based tables with base amounts plus per-$1,000 increments. Technology fee is 0.03% of permit valuation.
TO/24 supports online payment and the permit page states Visa and Mastercard are accepted. The City can request payment before permit issuance.
Fees change periodically. Confirm at the official fee schedule ↗ (effective July 1, 2025) before budgeting.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- TO/24 (online)
- (805) 449-2500 (phone)
- (805) 449-2320 (phone)
- Inspection hours
- Public counter: Monday 7:30 AM-3:00 PM, Tuesday 7:30 AM-5:00 PM, Wednesday 9:30 AM-5:00 PM, Thursday 7:30 AM-5:00 PM, alternating Friday 8:00 AM-5:00 PM
- Time windows
- Estimated inspection windows are available in TO/24.
Typical sequence: Typical flow is permit acceptance and issuance, construction inspections by phase, final inspection, and certificate of occupancy before occupancy where required.
Source: City of Thousand Oaks Building Division (Department of Community Development / Building) ↗
§ 06
Frequently asked
Common questions about Thousand Oaks permits
01 Do I need a building permit in Thousand Oaks, CA? ▸
No building, structure, service equipment, or grading work may be erected, altered, or removed unless an appropriate permit is first obtained.
02 How much does a building permit cost in Thousand Oaks, CA? ▸
Building permit fees in Thousand Oaks, CA are set by the local building department and vary by project type and valuation. The minimum permit fee is Permit application: $55; permit issuance: $65; small SFR or duplex building base fee: $179 plus plan review. Fees are calculated as: Single-family and duplex fees use square-foot bands, while commercial and multifamily fees use value-based tables with base amounts plus per-$1,000 increments. Technology fee is 0.03% of permit valuation.. Plan check fee: Plan review fee is 85% of the building permit fee..
03 How do I apply for a building permit in Thousand Oaks, CA? ▸
To apply for a building permit in Thousand Oaks, CA, follow these steps: 1. Determine permit type and applicable project standards using the City's common permit examples and handouts. 2. Prepare digital plans and required construction documents. 3. Upload the permit package through TO/24 or the Application Assistant. 4. Obtain and pay required permit application, plan review, and related fees. 5. City staff complete review and issue the permit once the application is complete. 6. Use TO/24 to schedule inspections and view estimated inspection windows. 7. Request final inspection and closeout or certificate of occupancy where applicable.
04 How long does it take to get a building permit in Thousand Oaks, CA? ▸
Building permit processing times in Thousand Oaks, CA typically run No fixed permit processing-time SLA is published. Applications are processed as soon as possible when received during business hours.. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in Thousand Oaks, CA? ▸
Not all construction work requires a permit in Thousand Oaks, CA. The following work is generally exempt: Detached accessory structures up to 120 square feet and up to 12 feet high with no mechanical, electrical, or plumbing requiring permits; Fences up to 6 feet; Retaining walls up to 4 feet subject to height and surcharge limits; Roof repairs or replacement up to 100 square feet or same roof-type section per 12 months; Detached decks up to 29 inches above grade; Water tanks up to 5,000 gallons on grade; Sidewalks and drives up to 30 inches above grade if not part of an accessible route; Painting, papering, tile, carpet, cabinetry, and countertops; Temporary theatrical sets, non-service shade cloth structures, certain playground accessories, and movable fixtures up to 5 feet 9 inches; Non-structural electrical exclusions such as small replacements, temporary lighting, cords, and low-voltage circuits in listed code classes. Note: Exemptions do not waive zoning, property, disability, safety, or other municipal requirements. Emergency plumbing, electrical, and mechanical repair permits must still be submitted by the next business day. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in Thousand Oaks, CA? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Thousand Oaks, CA via: TO/24, (805) 449-2500, (805) 449-2320.
last verified April 2026
source City of Thousand Oaks Building Division (Department of Community Development / Building) ↗
entry id permits/california/ventura/thousand-oaks
Educational reference. Permit rules and fees change — confirm current requirements directly with City of Thousand Oaks Building Division (Department of Community Development / Building) before applying. Jaspector is not legal advice.