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Planning Division – 650-259-2341, planning@ci.millbrae.ca.us
Standards | Details |
|---|---|
Zones allowed | R-1, R1-LL, R-2, R-3, Single Family and Multi-Family Dwelling Zones |
Lot Restrictions | Detached ADU’s are permitted in the rear half of the yard unless restrictions preclude an 800 sf ADU 16 ft in height. |
Minimum Lot Size | None |
Min/Max ADU Size | Min: 150 square feet, |
ADU Building Height | ADU: Attached – 25 feet; detached – 16 feet, JADU: same as the existing structure |
Setbacks | Attached: side and rear – 4 feet, front – determined by base zoning district |
Parking Requirements | JADUs: No parking required on-street parking permits are required but not offered to ADU occupant |
Owner Occupancy | JADU: Required, deed restricted, ADU: Not required |
Sample fees from recent permits | The exact amount of fees vary depending on the specifics of the proposal. No impact fees for projects less than 750 square feet. In addition, other districts provide various services, such as fire, sanitary, water, and schools that may assess a fee. |
Other requirements | ADU must provide direct outside access. ADUs must comply with all requirements of the underlying zoning district, unless explicitly stated otherwise in the ordinance or state law. Architectural design, materials, and color must match the primary dwelling unit No short-term rentals |
Process | Building permit review required. Making an appointment to meet with a planner in the initial stages of the project is highly recommended. |
Exceptions | None |
Created by Community Planning Collaborative
