SB 1211 for 16-unit apartment in Redwood City
In Redwood City, a 16-unit 16-unit apartment just became one of the highest-yield SB 1211 typologies — 12 new homes, ministerially approved. At Redwood City's median rent of $3,000/mo, that's ~$432K in additional gross annual rent.
The Redwood City scenario
The capital stack on a typical Redwood City 16-unit apartment project: existing equity (the lot itself, owned outright in many cases), construction loan against the new ADU appraised value, refi at completion against the stabilized rent roll.
Redwood City watch: Peninsula corridor.
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 Redwood City | $3,000/mo |
| Est. additional gross rent | $432K/yr |
| Estimated total project cost | ~$2,419K |
| Year-1 NOI estimate | ~$324K |
| Stabilized cap rate at cost | 13.4% |
| Replacement parking required | No (§66313) |
| Approval pathway | Ministerial · §66314 |
| Typical permit timeline in Redwood City | 75-130 days |
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