SB 1211 for 16-unit apartment in Santa Barbara
Own a 16-unit apartment in Santa Barbara? SB 1211 lets you stack 12 new units on top of your existing 16: 8 detached + 4 interior. At Santa Barbara's median rent of $2,900/mo, that's ~$418K in additional gross annual rent.
The Santa Barbara scenario
Picture the typical case: a 16-unit 16-unit apartment on a Santa Barbara block built between 1955 and 1975, with surface parking that hasn't been fully utilized in years. SB 1211 turns that parking into 8 detached units plus 4 interior conversions — 12 new doors that didn't exist before 2024.
Santa Barbara-specific note: Coastal Commission considerations.
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 Santa Barbara | $2,900/mo |
| Est. additional gross rent | $418K/yr |
| Estimated total project cost | ~$2,419K |
| Year-1 NOI estimate | ~$314K |
| Stabilized cap rate at cost | 13.0% |
| Replacement parking required | No (§66313) |
| Approval pathway | Ministerial · §66314 |
| Typical permit timeline in Santa Barbara | 75-130 days |
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