ADU Rules in Anaheim, California
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ADU Rules in Anaheim
Anaheim implements California's statewide ADU regulations (AB 68, SB 13, AB 881, AB 2221) through the Planning & Building Department.
Permitted ADU Types
- Detached ADU: A standalone structure on the same lot, up to 1,200 sq ft
- Attached ADU: An addition to the primary dwelling, up to 1,200 sq ft
- Junior ADU (JADU): A unit within the existing primary dwelling, up to 500 sq ft
- Garage Conversion: Conversion of an existing garage or accessory structure into a dwelling unit
A single-family lot may have both a full ADU and a JADU.
Size and Dimensional Standards
| Standard | Requirement |
|---|---|
| Maximum ADU Size | 1,200 sq ft |
| Maximum Height | 16 ft (detached) |
| Rear Setback | 4 ft |
| Side Setback | 4 ft |
| Front Setback | Per underlying zone |
Parking Requirements
No additional parking is required for ADUs located within half a mile of public transit. Where parking applies, the maximum is one space per ADU. Garage conversions do not require replacement parking.
Permit Process
- Pre-application consultation: Optional meeting with Planning & Building staff
- Application submittal: File plans and application with the city
- Ministerial review: 60-day processing timeline for complete applications
- Building permit: Obtain construction permits after planning approval
- Final inspection: Pass all inspections and receive certificate of occupancy
Fees
ADUs under 750 sq ft are exempt from development impact fees per California state law. Larger ADUs are subject to proportional impact fees. Contact Anaheim Planning & Building for the current fee schedule.
Key Regulations
- Owner occupancy is not required under state law
- Short-term rentals (under 30 days) of ADUs are prohibited
- ADUs cannot be sold separately from the primary dwelling unless qualifying under AB 1033
- Fire sprinklers are not required if the primary dwelling does not have them
- HOA CC&Rs cannot unreasonably prevent ADU construction under state law, though design standards may apply
More about Anaheim Zoning
FAQ
Frequently Asked Questions
What is the maximum ADU size in Anaheim?
Detached ADUs in Anaheim can be up to 1,200 square feet. Junior ADUs (JADUs) within the primary dwelling are limited to 500 square feet.
How long does it take to get an ADU permit in Anaheim?
Anaheim must review complete ADU applications within 60 days under California state law. The process is ministerial with no discretionary review or public hearing required.
Do I need owner occupancy to build an ADU in Anaheim?
No. Under current California state law, owner occupancy is not required for ADU construction. You may rent both the primary dwelling and the ADU to tenants.
Disclaimer: The information on this website is provided for general informational purposes only and does not constitute legal, financial, or professional advice. Always verify current requirements with your local planning department.