Accessory Structures in Thousand Oaks, CA (2026)
9 verified accessory structures rules for Thousand Oaks, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Thousand Oaks Ordinance 1732-NS (Nov. 22, 2024) governs ADUs. Detached ADUs up to 1,200 sq ft; 4-foot side/rear setbacks; up to 16 ft height for detached. Attached ADUs up to 50% of primary or 1,200 sq ft, up to 25 ft height. JADUs max 500 sq ft. Minimum 30-day rental per state law.
accessory-structures/adu-rules
Some RestrictionsADU Permits
Thousand Oaks issues Accessory Dwelling Unit (ADU) permits ministerially under Title 9 of the Thousand Oaks Municipal Code (TOMC), which implements California Government Code §65852.2. ADUs and Junior ADUs (JADUs) are allowed in any residential zone where a single-family or multifamily dwelling is permitted. The 60-day statutory review applies — no public hearing, no discretionary design review.
Thousand Oaks ADU Permit Process (TOMC Title 9)
Few RestrictionsADU Impact Fees
California Government Code §65852.2(f) prohibits Thousand Oaks from charging any impact fees on ADUs smaller than 750 square feet. ADUs of 750 sq ft or larger may be charged impact fees only in proportion to the primary dwelling's size. Utility connection fees for ADUs within an existing home are similarly capped by state law.
Thousand Oaks ADU Impact Fees
Few RestrictionsADU Owner Occupancy
Thousand Oaks cannot require the property owner to live on-site to operate a standard ADU, per AB 881 / AB 976 and Gov. Code §65852.2(a)(7). Junior ADUs (JADUs) under TOMC Title 9 still require owner-occupancy of either the JADU or the primary dwelling, memorialized in a deed restriction recorded with Ventura County.
Thousand Oaks ADU Owner Occupancy Rules
Few RestrictionsADU Rental Restrictions
Thousand Oaks ADUs may be rented as long-term housing (terms longer than 30 days). Short-term rental of an ADU is restricted by Gov. Code §65852.2(a)(6) and TOMC Title 9 — ADU rentals must exceed 30 days. JADUs carry an additional recorded deed restriction explicitly barring short-term rental.
Thousand Oaks ADU Rental Restrictions
Some RestrictionsShed Rules
Accessory structures (sheds, garages) in Thousand Oaks are regulated under TOMC Title 9 zoning and building code. Permits required for structures over 120 sq ft. Must meet setback requirements. Cannot exceed primary structure height in residential zones.
accessory-structures/shed-rules
Some RestrictionsGarage Conversions
Garage conversions to ADUs are allowed under CA state law and TOMC Ord. 1732-NS. Existing setbacks are exempt for conversions. Replacement parking is not required when a garage is converted to an ADU. Interior garage parking spaces must remain for non-ADU structures.
accessory-structures/garage-conversions
Some RestrictionsCarport Rules
Carports in Thousand Oaks require a building permit and must comply with TOMC Chapter 9 setback and lot coverage requirements. Carports in front yards may be restricted depending on the zoning district. Materials and design must be compatible with the primary structure.
Thousand Oaks Carport Regulations
Some RestrictionsTiny Homes
Tiny homes on permanent foundations are regulated as ADUs under California state law and TOMC Chapter 9. Tiny homes on wheels are classified as recreational vehicles and cannot be used as permanent dwellings in residential zones. Minimum dwelling size requirements apply.
Thousand Oaks Tiny Home Regulations
Some RestrictionsLooking for Ventura County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Thousand Oaks city rules.
Accessory Structures in Ventura County →