SB 1211 for 16-unit apartment in Los Angeles
A 16-unit 16-unit apartment in Los Angeles qualifies for up to 12 new homes under SB 1211 — 8 detached ADUs and 4 interior conversions. At Los Angeles's median rent of $2,400/mo, that's ~$346K in additional gross annual rent.
The Los Angeles scenario
The scenario most Los Angeles 16-unit apartment owners face: an existing building, mature trees, and a back lot that's currently doing nothing. SB 1211's 4-ft setback and 18-ft height envelope fits 8 detached units behind that primary structure with room for fire-access in front.
Los Angeles-specific note: LA has its own ADU bonus program that stacks with SB 1211.
Large multifamily (10+ unit) design playbook
A 16-unit complex is capped at 8 detached ADUs by statute, so the play shifts toward interior conversions: max(1, ⌊units × 25%⌋) = 4 additional units carved from common rooms, oversized lobbies, basement storage, or laundry rooms.
Pro-forma snapshot
| Existing units | 16 |
| Detached ADUs (SB 1211) | 8 |
| Interior conversions | 4 |
| Total new units | 12 |
| Median 1BR rent in Los Angeles | $2,400/mo |
| Est. additional gross rent | $346K/yr |
| Estimated total project cost | ~$2,419K |
| Year-1 NOI estimate | ~$260K |
| Stabilized cap rate at cost | 10.7% |
| Replacement parking required | No (§66313) |
| Approval pathway | Ministerial · §66314 |
| Typical permit timeline in Los Angeles | 60-120 days |
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