Garage Conversions: Long Beach vs Topanga
How do garage conversions rules compare between Long Beach, CA and Topanga, CA?
Long Beach has fewer restrictions than Topanga.
Long Beach, CA
Los Angeles County
Garage conversions to ADU or JADU allowed under CA state ADU law. Converted garages are exempt from setback requirements. No replacement parking required if within ½ mile of transit.
View full Long Beach rules →Topanga, CA
Los Angeles County
Garage conversions to ADUs in unincorporated Topanga are governed by LA County Code Title 22 §22.140.640 and California Government Code §65852.2. No replacement parking is required when a garage is converted to an ADU, and existing setbacks are preserved. A Coastal Development Permit applies in the Santa Monica Mountains Local Coastal Program area.
View full Topanga rules →Key Facts Comparison
| Fact | Long Beach | Topanga |
|---|---|---|
| State Law | CA Gov Code §65852.2 | - |
| Setbacks | Exempt — existing footprint governs | - |
| Replacement Parking | Not required near transit | Not required |
| Pre-Approved Plans | Available from Long Beach Planning | - |
| Governing Code | - | LA County Code §22.140.640 |
| Existing Setbacks | - | Grandfathered |
| Coastal Permit | - | Required in SMM LCP |
| Permit Required | - | Yes — LA County building |
Highlighted rows indicate differences between cities.
Long Beach FAQ
Can I convert my garage into living space in Long Beach?
Garage conversions to ADU or JADU allowed under CA state ADU law. Converted garages are exempt from setback requirements. No replacement parking required if within ½ mile of transit.
What permits do I need for a garage conversion in Long Beach?
State Law: CA Gov Code §65852.2. Setbacks: Exempt — existing footprint governs. Replacement Parking: Not required near transit. Pre-Approved Plans: Available from Long Beach Planning.
Topanga FAQ
Do I need to add parking if I convert my Topanga garage to an ADU?
No. Cal. Gov Code §65852.2 and LA County Code §22.140.640 prohibit the county from requiring replacement parking when a garage is converted to an ADU.
Do I still need a Coastal Development Permit for a garage conversion?
Yes, typically. Most Topanga properties fall within the certified Santa Monica Mountains LCP, so a CDP is required in addition to the building permit unless a categorical exclusion applies.
Who issues the permit for a Topanga garage conversion?
LA County Public Works (Building & Safety) issues the building permit; LA County Regional Planning processes the ministerial ADU review and any Coastal Development Permit.
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