SB 1211 for 20-unit apartment in El Monte
In El Monte, a 20-unit 20-unit apartment just became one of the highest-yield SB 1211 typologies — 13 new homes, ministerially approved. At El Monte's median rent of $2,200/mo, that's ~$343K in additional gross annual rent.
The El Monte scenario
The capital stack on a typical El Monte 20-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.
El Monte watch: Older small multifamily stock; great SB 1211 fit.
Large multifamily (10+ unit) design playbook
A 20-unit complex is capped at 8 detached ADUs by statute, so the play shifts toward interior conversions: max(1, ⌊units × 25%⌋) = 5 additional units carved from common rooms, oversized lobbies, basement storage, or laundry rooms.
Pro-forma snapshot
| Existing units | 20 |
| Detached ADUs (SB 1211) | 8 |
| Interior conversions | 5 |
| Total new units | 13 |
| Median 1BR rent in El Monte | $2,200/mo |
| Est. additional gross rent | $343K/yr |
| Estimated total project cost | ~$2,621K |
| Year-1 NOI estimate | ~$257K |
| Stabilized cap rate at cost | 9.8% |
| Replacement parking required | No (§66313) |
| Approval pathway | Ministerial · §66314 |
| Typical permit timeline in El Monte | 70-115 days |
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