| Tamaño máx. ADU (separada) |
1,200 sq ft (min. 800 sq ft guaranteed) |
| Tamaño máx. ADU (adjunta) |
Up to 1,200 sq ft or 50% of primary (min. 800 sq ft) |
| Tamaño máx. JADU |
500 sq ft (within existing residence) |
| Altura máx. (separada) |
16 ft (18 ft near transit or multistory multifamily) |
| Altura máx. (adjunta) |
25 ft or zone height limit, whichever is lower |
| Retiro posterior |
4 ft |
| Retiro lateral |
4 ft |
| Retiro frontal |
Per underlying zone (cannot preclude 800 sq ft ADU) |
| Cobertura máx. del lote |
No ADU-specific limit |
| Requisitos de estacionamiento |
None required |
| Ocupación del propietario |
Not required (JADU: only if bathroom shared — AB 1154) |
| ADUs permitidas por lote |
1 ADU + 1 JADU (SFR); existing multifamily: up to 8 detached ADUs (≤ existing unit count) + conversion ADUs within non-livable space (≥1, up to 25% of existing units); proposed multifamily: up to 2 detached ADUs — per Gov. Code § 66323 (SB 1211/AB 2533 eff. Jan 1, 2025), confirmed in City of Long Beach ADU Zoning Summary v28 (Nov 2024) and Draft ADU Ordinance Ch. 21.16 (Sep 2025), which expressly provides the Statewide Exemption ADU path under § 66323 |
| Venta separada (como condo) |
Only where city has adopted AB 1033 ordinance |
| Exención de tarifas de impacto |
Prohibited under 750 sq ft; proportional above (SB 543) |
| Planos pre-aprobados |
Pre-approved plans available |
| Plazo estatal de aprobación |
60 days (completeness check within 15 business days — SB 543) |
Nota Local
Long Beach offers pre-approved ADU plans and a streamlined ministerial review process. Older alley-loaded neighborhoods lend themselves to efficient garage conversions. Effective Jan 1, 2025, state law (Gov. Code § 66323, SB 1211/AB 2533) — confirmed by the City of Long Beach ADU Zoning Summary v28 (Nov 2024) and the Draft ADU Ordinance Ch. 21.16 (Sep 2025 public review) — allows existing multifamily lots to add up to 8 detached ADUs (not to exceed the number of existing units) plus conversion ADUs within non-livable space (at least 1, up to 25% of existing units). Proposed multifamily projects may add up to 2 detached ADUs.
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