San Mateo County

Menlo Park ADU rules

Menlo Park 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

ADU – Attached and Detached: 1000 square feet *Attached: Greater of 50% of main home floor area or 1,000 square feet (state law allows an ADU up to 800 square feet on every property, some exceptions.) JADU: 500 square feet

Height

JADU and Attached: Same as primary dwelling Detached: larger than 800 square feet: 17 feet, 800 square feet or less: 16 feet

Setbacks

Attached: side and rear – 4 feet Detached: side and rear – 4 feet

Parking

JADUs: No parking required ADUs: One spot may be required (tandem allowed). No parking required if: within one-half mile walking distance of public transit within an architecturally and historically significant historic district an interior ADU ineligible for on-street...

Owner occupancy

ADUs: Built after Jan 1 2020 – No requirements, otherwise – required unless nontenancy status is granted. JADUs: Owner occupancy required

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...