San Mateo County
East Palo Alto ADU rules
East Palo Alto 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 ADU: 150 square feet Max ADU (detached): 1000 square feet Max ADU (attached or contained within a primary dwelling): 50% of the primary dwelling, provided this does not prohibit an 800 sq ft attached ADU (state law allows an ADU up to 800 square feet on every...
Height
Attached ADUs: up to 25 feet or the maximum allowed by the underlying zoning, whichever is lower (allows for ADUs built above an attached garage) Detached ADUs within a ½ mile walking distance from a major transit stop: up to 18 feet plus an additional 2 feet to...
Setbacks
New Construction: 4 feet side/rear setbacks Converted Structures: Same setbacks as the existing structure Setbacks must comply with any recorded easements or setback restrictions If an 800 square foot ADU does not fit in the rear or side yard, the ADU may be allowed in...
Parking
JADUs: No new parking required. If converting a garage to a JADU, replacement parking is required for the main home. ADUs: Generally additional off-street parking is not required for ADUs. Talk to Planning staff to confirm parking requirements for your property and...
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...