San Mateo County

Daly City ADU rules

Daly City has an official local rule record in this scrape. Provider research is grouped at the San Mateo County level.

Local rule facts

Min/max ADU size

Min: 150 square feet Max ADU One bedroom or less: 850 square feet Max ADU Two bedrooms: 1000 square feet *Not more than 50% of primary dwelling square footage, unless primary dwelling is 50% of primary dwelling is less than 800 square feet. Max JADU: 500 square feet

Height

Detached: 18 feet, 1 story Attached: subject to underlying zoning restrictions

Setbacks

Side and rear: 4 feet

Parking

None

Owner occupancy

JADU: Required, ADU: not required for ADUs built recently (2020-2024)

Process

-at-a-Glance FAQs Floorplans Inspiration Glossary Guidebook + Exercises Pre-Designed Plans Process-at-a-Glance See the resources page Events About Contact Getting Started Learning the Rules Budgeting Design Permitting Construction Renting Getting Started Learning the...