ADU Permits: Chula Vista vs San Diego
How do adu permits rules compare between Chula Vista, CA and San Diego, CA?
Chula Vista and San Diego have similar restriction levels.
Chula Vista, CA
San Diego County
Chula Vista processes ADU and JADU applications ministerially under the updated CVMC Title 19 ADU provisions adopted by Ordinance 3592 (2025) and California Government Code §65852.2. The Development Services Department reviews permits with the state-mandated 60-day decision deadline. Detached ADUs may reach 1,200 sq ft and JADUs up to 500 sq ft, with the state by-right 4-foot side/rear setback for one-story units.
View full Chula Vista rules →San Diego, CA
San Diego County
San Diego processes ADU permits ministerially (over-the-counter, no discretionary review) under SDMC § 141.0302 and California Government Code § 65852.2. Applications are filed with the Development Services Department through OpenDSD. State law caps review at 60 days. San Diego offers pre-approved ADU plan sets, which can shorten review to a few weeks.
View full San Diego rules →Key Facts Comparison
| Fact | Chula Vista | San Diego |
|---|---|---|
| Code Section | CVMC Title 19; Ord. 3592 (2025); Gov. Code §65852.2 | SDMC § 141.0302; Gov. Code § 65852.2 |
| Review | Ministerial, 60-day cap | Ministerial, 60-day cap (state law) |
| Detached Max | 1,200 sq ft | 1,200 sq ft (state by-right 800) |
| JADU Max | 500 sq ft | - |
| Setback | 4 ft side/rear (one-story) | - |
| Height | 16 ft standard; up to 25 ft attached | - |
| Pre-Approved Plans | - | 3–4 week turnaround |
| Portal | - | OpenDSD |
Highlighted rows indicate differences between cities.
Chula Vista FAQ
How long does ADU review take in Chula Vista?
California Gov. Code §65852.2(b) caps ministerial review at 60 days from a complete application. The Chula Vista Development Services Department reviews ADU permits against CVMC Title 19 objective standards; no public hearing or discretionary findings are required.
Are there pre-approved ADU plans in Chula Vista?
Yes. The Development Services Department offers pre-approved ADU plan sets that speed permit issuance. Pre-approved plans bypass the architectural plan-check stage and move directly to site-specific structural and utility review.
San Diego FAQ
How fast can I get an ADU permit in San Diego?
State law caps ministerial review at 60 days from complete application. Using a pre-approved plan can reduce this to 3–4 weeks. Custom designs typically take 6–12 weeks including plan check.
Do I need discretionary approval for an ADU in San Diego?
No. SDMC § 141.0302 and California Government Code § 65852.2 require ministerial (objective-standards) review. No public hearing, neighbor notice, or planning commission review is allowed.
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