Garage Conversions: Carson vs Glendale
How do garage conversions rules compare between Carson, CA and Glendale, CA?
Carson and Glendale have similar restriction levels.
Carson, CA
Los Angeles County
Garage conversions in Carson are governed primarily by California state ADU law (Gov. Code §65852.2), which preempts local bans and requires ministerial approval of conversion ADUs in existing garages.
View full Carson rules →Glendale, CA
Los Angeles County
Glendale allows garage-to-ADU and garage-to-JADU conversions under GMC §30.34.080, consistent with California Government Code §65852.2. No replacement parking is required when an existing garage is converted to an ADU, and the existing setbacks are preserved for the conversion footprint.
View full Glendale rules →Key Facts Comparison
| Fact | Carson | Glendale |
|---|---|---|
| State law | Gov. Code §65852.2 (ADU; re-numbered by SB 477, 2024) | - |
| Approval | Ministerial within 60 days; no discretionary review | - |
| Parking | No replacement parking required when garage was required parking | - |
| Lot standards | Conversion ADU exempt from FAR/coverage/min-lot-size | - |
| Permit portal | cityofcarsonca-energovweb.tylerhost.net | - |
| Code Section | - | GMC §30.34.080; Cal. Gov Code §65852.2 |
| Replacement Parking | - | Not required |
| Existing Setbacks | - | Preserved for conversion |
| Multifamily Conversion | - | Up to 25% of existing units |
| Permit Required | - | Yes — building permit |
Highlighted rows indicate differences between cities.
Carson FAQ
Can Carson make me replace parking when I convert my garage to an ADU?
No. Under Gov. Code §65852.2, the city cannot require replacement off-street parking when a garage converted to an ADU was previously used for required parking. State law preempts any local replacement-parking rule for ADU conversions.
How long does Carson have to approve a garage-conversion ADU?
State law requires ministerial approval within 60 days of a complete application. The city cannot impose discretionary review, hearings, or owner-occupancy requirements (the owner-occupancy moratorium was extended through 2025 by AB 671).
Glendale FAQ
Do I need to replace my parking if I convert my Glendale garage to an ADU?
No. Cal. Gov Code §65852.2 and GMC §30.34.080 prohibit Glendale from requiring replacement parking when an existing garage is converted to an ADU.
Can my Glendale multifamily building add conversion ADUs?
Yes. Under GMC §30.34.080, conversion ADUs may be created in non-livable space within an existing multifamily building up to 25% of the existing unit count.
Do I still need a permit to convert a Glendale garage?
Yes. A building permit from Glendale Community Development is required for any change of use from garage to habitable space, though the planning review is ministerial under §30.34.080.
Compare other topics
See how Carson and Glendale compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool