10/16/2026
750 sq. ft. can make a big difference.
In California, qualifying ADUs of 750 sq. ft. or less are exempt from impact fees. And with new legislation taking effect in 2027, fee calculations for certain larger ADUs are changing, too.
If you're planning an ADU in San Diego, understanding the rules can help you make smarter decisions about your project and budget.
At ADU PALS, we help homeowners turn property potential into practical possibilities.