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ADU Permit Guide: California (2026)
Accessory Dwelling Unit permit requirements in California. AB 68, SB 13 and local ADU regulations explained for homeowners and contractors.
Key Takeaways
- Understanding requirements: Every construction project has specific permit and compliance requirements based on location, scope and project type.
- Documentation matters: Complete and accurate documentation is the foundation of successful permit applications and compliance.
- Plan ahead: Start the compliance process early to avoid delays, rejections and costly rework.
- Use available tools: Digital compliance tools like JuriVault help streamline the process and reduce errors.
How long does an ADU permit take in California
California law requires ADU permits to be approved within 60 days for detached ADUs. Ministerial approvals without public hearings are faster.
Do I need to provide parking for an ADU
Most California jurisdictions no longer require parking for ADUs within one mile of public transit. Check local rules as some areas have additional exemptions.
How JuriVault Can Help
JuriVault provides project-specific compliance checklists for contractors and developers. Enter your location and project type to get a detailed breakdown of required documents, timelines and compliance risks.
Frequently Asked Questions
How long does an ADU permit take in California?
California law requires ADU permits to be approved within 60 days for detached ADUs. Ministerial approvals without public hearings are faster.
Do I need to provide parking for an ADU?
Most California jurisdictions no longer require parking for ADUs within one mile of public transit. Check local rules as some areas have additional exemptions.