ADU Rules: Glendale vs South San Gabriel
How do adu rules rules compare between Glendale, CA and South San Gabriel, CA?
Glendale has fewer restrictions than South San Gabriel.
Glendale, CA
Los Angeles County
Glendale regulates ADUs and JADUs under Glendale Municipal Code (GMC) §30.34.080, with the most recent ordinance amendment adopted by City Council on December 3, 2024 to address California HCD compliance concerns. ADUs and JADUs are reviewed ministerially without a public hearing, consistent with California Government Code §65852.2.
View full Glendale rules →South San Gabriel, CA
Los Angeles County
LA County's ADU Ordinance (amended October 2024) allows accessory dwelling units in all residential zones of unincorporated areas. Applications go through EPIC-LA and are reviewed by the Department of Regional Planning. Pre-approved plans are available.
View full South San Gabriel rules →Key Facts Comparison
| Fact | Glendale | South San Gabriel |
|---|---|---|
| Code Section | GMC §30.34.080 | - |
| Detached Height | 16 ft (18 ft near transit) | - |
| Attached Height | 25 ft, max 2 stories | - |
| Multifamily Detached New | Up to 2 per lot | - |
| Side/Rear Setback | 4 ft (new construction) | 4 feet |
| Max ADU Size | - | 1,200 sq ft |
| JADU Max | - | 500 sq ft |
| Max Height | - | 16 feet |
| Application | - | EPIC-LA portal |
Highlighted rows indicate differences between cities.
Glendale FAQ
How many ADUs can I build on a Glendale multifamily lot?
GMC §30.34.080 implements state law allowing conversion ADUs within non-livable existing multifamily space (up to 25% of existing units) plus up to two detached new-construction ADUs per lot.
How tall can my Glendale detached ADU be?
Detached ADUs are limited to 16 feet under GMC §30.34.080, or up to 18 feet (plus 2 feet for a matching roof pitch) if the property is within a half-mile of a major transit stop or high-quality transit corridor.
Do I need a public hearing for a Glendale ADU?
No. GMC §30.34.080 requires ministerial review without a public hearing, consistent with California Government Code §65852.2.
South San Gabriel FAQ
Can I build an ADU in unincorporated LA County?
Yes. One ADU and one JADU are allowed per lot in all residential zones. Detached ADUs can be up to 1,200 square feet. Apply through the EPIC-LA portal.
Do I need to live on-site to have an ADU in LA County?
No. California state law eliminates owner-occupancy requirements for ADUs. You can rent both the main home and the ADU.
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