ADU Permits: Berkeley vs Fremont
How do adu permits rules compare between Berkeley, CA and Fremont, CA?
Berkeley and Fremont have similar restriction levels.
Berkeley, CA
Alameda County
Berkeley processes ADU permits ministerially under Berkeley Municipal Code Section 23.304 (Accessory Dwelling Units) and California Government Code 65852.2. Applications go through the Permit Service Center; the city must act within 60 days of a complete application. Berkeley imposes design review only when state law allows.
View full Berkeley rules →Fremont, CA
Alameda County
Fremont processes ADU permits ministerially under Fremont Municipal Code 18.190.005 (effective August 11, 2023) and California Government Code 65852.2. Applications are filed through the Community Development Department / Planning and Building Permit Services. State law requires the city to act within 60 days of a complete application.
View full Fremont rules →Key Facts Comparison
| Fact | Berkeley | Fremont |
|---|---|---|
| Code Section | BMC 23.304 | FMC 18.190.005 |
| Review Type | Ministerial (no hearing) | Ministerial (no hearing) |
| Decision Window | 60 days from complete app | 60 days from complete app |
| Submittal Portal | Berkeley Permit Service Center | - |
| Allowed Districts | R-1 through R-4 + multifamily | - |
| Allowed Units | - | 1 ADU + 1 JADU per SFR lot |
| Effective Date | - | August 11, 2023 |
Highlighted rows indicate differences between cities.
Berkeley FAQ
How long does an ADU permit take in Berkeley?
California Government Code 65852.2(b)(1) and BMC 23.304 require the city to act on a complete ADU application within 60 days. Berkeley's actual processing time often exceeds the state minimum due to corrections; budget 3-6 months from submittal to final permit.
Does Berkeley hold a public hearing on ADU permits?
No. BMC 23.304 follows California Government Code 65852.2 and makes ADU and JADU review strictly ministerial - the planner applies objective standards without discretionary review, public hearings, or neighbor notification.
Where do I file a Berkeley ADU application?
Through the Berkeley Permit Service Center online portal. Required submittals include the building permit application, site plan, floor plans, elevations, Title 24 energy forms, structural calculations, and (if applicable) historic resource review under BMC 23.328.
Fremont FAQ
How long does an ADU permit take in Fremont?
California Government Code 65852.2(b)(1) and FMC 18.190.005 require Fremont to act on a complete ADU application within 60 days. Actual time depends on correction cycles - budget 3-6 months from submittal to final permit issuance through Planning and Building Permit Services.
Does Fremont hold a public hearing on ADU permits?
No. FMC 18.190.005 follows California Government Code 65852.2 and makes ADU and JADU review strictly ministerial. The planner applies objective standards without discretionary review, public hearings, or neighbor notification.
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