Belmont ADU topic page
Belmont ADU Rules
Start with the official local ADU rules, then confirm lot-specific limits before requesting provider quotes.
Short answer
Start with the official local ADU rules, then confirm lot-specific limits before requesting provider quotes.
Source requirement: Official city or county rule source parsed and cited.
Local rule evidence
Size
Min: 150 square feet Max detached (one bedroom or less): 850 square feet Max detached (two bedrooms or more): 1000 square feet Max attached: the greater of 50% of primary dwelling square footage or 850 square feet (one bedroom or less) / 1,000 square feet (two+...
Setbacks and parking
Attached: California Gov. Code, § 65852.2, subd. (a)(1)(D)(vii): 4-feet side and rear Detached: rear and side – 4 feet; front – depends on zoning district; 5 feet from primary dwelling unit No parking required but, if provided, can be tandem