ADU Rules: Carson vs Long Beach
How do adu rules rules compare between Carson, CA and Long Beach, CA?
Carson and Long Beach have similar restriction levels.
Carson, CA
Los Angeles County
Carson allows accessory dwelling units (ADUs) and junior ADUs (JADUs) on parcels with existing or proposed single-family or multifamily dwellings, in conformance with state ADU law (Cal. Gov. Code §65852.2 and §65852.22). The Carson Municipal Code zoning chapter (Article IX, Chapter 1) implements these standards ministerially.
View full Carson rules →Long Beach, CA
Los Angeles County
Long Beach follows CA state ADU law (Gov Code §65852.2). Detached ADUs up to 1,200 sq ft, 4-ft side/rear setbacks, 16-ft height limit. Pre-approved plans available.
View full Long Beach rules →Key Facts Comparison
| Fact | Carson | Long Beach |
|---|---|---|
| Governing law | Cal. Gov. Code §65852.2 (ADUs); §65852.22 (JADUs) | - |
| Local code | Carson Municipal Code Article IX, Ch. 1 (Zoning) | - |
| By-right ADU size | 800 sq ft, 16-ft height, 4-ft setbacks | - |
| Max detached ADU | 1,200 sq ft | - |
| JADU max | 500 sq ft (within existing SFD) | - |
| Review type | Ministerial (no public hearing) | - |
| Approval timeline | 60 days from complete application (state mandate) | - |
| State Law | - | CA Gov Code §65852.2 |
| Max Size | - | 1,200 sq ft detached / 50% attached |
| Setbacks | - | 4 ft side/rear |
| Height | - | 16 ft detached / 25 ft attached |
| Fees | - | ADUs <750 sq ft exempt from impact fees |
| Pre-Approved Plans | - | Available from Long Beach Planning |
Highlighted rows indicate differences between cities.
Carson FAQ
Can Carson ban ADUs in single-family zones?
No. Gov. Code §65852.2 preempts local bans. Carson must allow ADUs ministerially on any single-family or multifamily lot.
Do I need a public hearing for an ADU?
No. State law requires ministerial (over-the-counter) approval within 60 days of a complete application.
Can I build an ADU and a JADU on the same lot?
Yes. State law allows one ADU plus one JADU on a single-family lot.
Long Beach FAQ
Can I build an ADU on my property in Long Beach?
Long Beach follows CA state ADU law (Gov Code §65852.2). Detached ADUs up to 1,200 sq ft, 4-ft side/rear setbacks, 16-ft height limit. Pre-approved plans available.
What are the size limits for an accessory dwelling unit in Long Beach?
State Law: CA Gov Code §65852.2. Max Size: 1,200 sq ft detached / 50% attached. Setbacks: 4 ft side/rear. Height: 16 ft detached / 25 ft attached.
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