Garage Conversions: Pasadena vs South San Gabriel
How do garage conversions rules compare between Pasadena, CA and South San Gabriel, CA?
Pasadena and South San Gabriel have similar restriction levels.
Pasadena, CA
Los Angeles County
Garage conversions to ADUs in Pasadena are streamlined under California law. Converting existing garage space to living quarters does not require replacement parking. Building permits are required.
View full Pasadena rules →South San Gabriel, CA
Los Angeles County
LA County allows converting existing garages to ADUs or JADUs in unincorporated areas under the ADU Ordinance. Garage conversions are the most affordable ADU option at roughly $80–$150K. Replacement parking is not required by state law.
View full South San Gabriel rules →Key Facts Comparison
| Fact | Pasadena | South San Gabriel |
|---|---|---|
| Permit | Building permit required | - |
| Replacement Parking | Not required under CA law | Not required |
| Building Code | Must meet habitable space standards | - |
| Setbacks | Existing nonconformities grandfathered | - |
| JADU Max | - | 500 sq ft |
| Permit From | - | Public Works B&S |
| Cost Range | - | $80K–$150K typical |
| State Law | - | Gov. Code §65852.2 |
Highlighted rows indicate differences between cities.
Pasadena FAQ
Can I convert my garage in Pasadena?
Yes. California law streamlines garage-to-ADU conversions. No replacement parking is required. A building permit is needed.
Do I need to provide replacement parking?
No. California law waives replacement parking requirements for garage-to-ADU conversions.
South San Gabriel FAQ
Can I convert my garage to a living space in unincorporated LA County?
Yes. Garage conversions to ADUs or JADUs are allowed under the ADU Ordinance. You need a building permit from Public Works and must meet current building code for habitable space.
Do I need to add replacement parking if I convert my garage?
No. California state law prohibits LA County from requiring replacement parking when a garage is converted to an ADU.
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