California Makes ADUs Easier & Cheaper Want to build an accessory dwelling unit? Cities across California are offering pre-approved designs to help you:
Save on architect fees (often free or heavily discounted)
Get faster permits (some in just 10 days)
Simplify the entire process
Custom plans: $5K–$15K & months to approve
Pre-approved plans: $0–$7K & fast-track review
Check your city or county’s website for available plans!