ADU Permits: Castro Valley vs Fremont
How do adu permits rules compare between Castro Valley, CA and Fremont, CA?
Castro Valley, CA
Alameda County
No data available yet for Castro Valley.
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 | Castro Valley | Fremont |
|---|---|---|
| Code Section | - | FMC 18.190.005 |
| Review Type | - | Ministerial (no hearing) |
| Decision Window | - | 60 days from complete app |
| Allowed Units | - | 1 ADU + 1 JADU per SFR lot |
| Effective Date | - | August 11, 2023 |
Highlighted rows indicate differences between cities.
Castro Valley FAQ
No FAQs available.
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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