ADU Permits: Pasadena vs South Gate
How do adu permits rules compare between Pasadena, CA and South Gate, CA?
Pasadena and South Gate have similar restriction levels.
Pasadena, CA
Los Angeles County
Pasadena processes ADU and JADU applications ministerially under Pasadena Municipal Code (PMC) §17.50.275 and California Government Code §65852.2. Updated ADU regulations took effect May 20, 2024 under Ordinance No. 7420. The California Department of Housing and Community Development (HCD) issued review findings on February 26, 2025 directing further compliance updates. Standard ADUs receive ministerial review with a 60-day decision deadline once the application is complete.
View full Pasadena rules →South Gate, CA
Los Angeles County
ADU applications in South Gate are reviewed ministerially by the Community Development Department under SGMC Title 11 (Zoning). State law (Gov. Code §65852.2(b)) requires the city to approve or deny a complete application within 60 days without a public hearing.
View full South Gate rules →Key Facts Comparison
| Fact | Pasadena | South Gate |
|---|---|---|
| Code Section | PMC §17.50.275 | - |
| Updated | Ordinance 7420, eff. May 20, 2024 | - |
| Review | Ministerial, 60-day cap | - |
| Rear Setback | 10 ft (new construction) | - |
| Zones | RS, RM with single-family use | - |
| Historic Districts | Not visible from right-of-way | - |
| Permit issuer | - | South Gate Community Development / Building & Safety |
| Review type | - | Ministerial (no hearing, no discretion) |
| Approval deadline | - | 60 days from complete application |
| Building code | - | California Building Standards Code (Title 24 CCR) — SGMC Ch. 9.02 |
| Fire sprinklers | - | Not required if main dwelling lacks them |
| City Hall | - | 8650 California Ave, South Gate CA 90280 — (323) 563-9500 |
| Fire service | - | LA County Fire Department (contract city) |
Highlighted rows indicate differences between cities.
Pasadena FAQ
How long does ADU review take in Pasadena?
California Gov. Code §65852.2(b) caps ministerial review at 60 days from a complete application. Pasadena Planning and Community Development processes ADU permits without a public hearing when plans meet the objective standards in PMC §17.50.275.
Can I build an ADU in a Pasadena Landmark District?
Conversion ADUs within existing structures are always allowed. New attached or detached ADUs in Landmark Districts under PMC Chapter 17.62 are permitted only if not visible from the public right-of-way per PMC §17.50.275.
South Gate FAQ
How long does South Gate have to approve my ADU?
60 days from a complete application under Gov. Code §65852.2(b). If the city misses the deadline, the ADU is deemed approved.
Do I need a Planning Commission hearing?
No. State law requires ministerial approval — no hearings or discretionary review for qualifying ADUs.
Are fire sprinklers required for an ADU in South Gate?
Only if the primary dwelling already has them. Gov. Code §65852.2 prohibits cities from requiring sprinklers in an ADU when the main house doesn't have them.
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