SB 1211 for 32-unit apartment in Fontana
Fontana's SB 1211 math for 32-unit apartment owners: 8 detached ADUs (the §66323 cap), plus 8 interior conversions. Total: 16 new homes. At Fontana's median rent of $1,900/mo, that's ~$365K in additional gross annual rent.
The Fontana scenario
Run it as a sequence: stabilize existing 32 units → permit 8 detached ADUs ministerially under §66314 → convert 8 interior spaces into rentable units → re-tenant at Fontana medians.
Fontana watch: Logistics-driven rent growth.
Large multifamily (10+ unit) design playbook
A 32-unit complex is capped at 8 detached ADUs by statute, so the play shifts toward interior conversions: max(1, ⌊units × 25%⌋) = 8 additional units carved from common rooms, oversized lobbies, basement storage, or laundry rooms.
Pro-forma snapshot
| Existing units | 32 |
| Detached ADUs (SB 1211) | 8 |
| Interior conversions | 8 |
| Total new units | 16 |
| Median 1BR rent in Fontana | $1,900/mo |
| Est. additional gross rent | $365K/yr |
| Estimated total project cost | ~$3,226K |
| Year-1 NOI estimate | ~$274K |
| Stabilized cap rate at cost | 8.5% |
| Replacement parking required | No (§66313) |
| Approval pathway | Ministerial · §66314 |
| Typical permit timeline in Fontana | 60-100 days |
Get a personalized SB 1211 feasibility report for 32-unit apartment owners in Fontana
3 minutes. We email you a 4-page PDF with your buildable count, parking determination, jurisdiction overlays, and pro-forma.
No spam · free · delivered in 24 hrs