ADU permit process in Moraga, California
Contra Costa County, California
Prepared by GetYourPermit editorial teamReport an error
We haven’t written Moraga’s permit guide yet.
We publish permit process guides one city at a time, and we would rather publish nothing than guess at Moraga’s rules using another city’s process. Permit steps, submittal requirements, and review timelines are set locally, so a guide copied from a neighboring city would be wrong in ways that cost you time.
Here is what is useful for Moraga right now.
See the fee estimate for MoragaStart here instead — official and primary sources for Moraga
The live Town ADU page gives a $1,800 application deposit, current impact-fee threshold/rule, ministerial workflow, and directs applicants to Contra Costa County for Building Permits.
Accessed August 28, 2026
Accessed August 28, 2026
What to ask the Moraga building department
- The current building permit fee schedule, and the date it took effect.
- Whether development impact fees apply at your square footage — many California cities waive them for ADUs of 750 sq ft or less.
- Plan submittal requirements: what drawings they expect, in what format, and whether submittal is online or in person.