SB 1211 for 6-unit apartment in Hayward
Hayward's SB 1211 math for 6-unit apartment owners: 6 detached ADUs (the §66323 cap), plus 1 interior conversions. Total: 7 new homes. At Hayward's median rent of $2,500/mo, that's ~$210K in additional gross annual rent.
The Hayward scenario
Run it as a sequence: stabilize existing 6 units → permit 6 detached ADUs ministerially under §66314 → convert 1 interior space into rentable units → re-tenant at Hayward medians.
Local tip for Hayward: Streamlined ADU intake program.
Mid-size multifamily (5–8 unit) design playbook
This is SB 1211's sweet spot. A 6-unit existing building maxes out the 8-detached cap (or comes close), so design moves are about packing detached ADUs efficiently around the existing structure and converting underutilized parking.
Pro-forma snapshot
| Existing units | 6 |
| Detached ADUs (SB 1211) | 6 |
| Interior conversions | 1 |
| Total new units | 7 |
| Median 1BR rent in Hayward | $2,500/mo |
| Est. additional gross rent | $210K/yr |
| Estimated total project cost | ~$1,725K |
| Year-1 NOI estimate | ~$158K |
| Stabilized cap rate at cost | 9.2% |
| Replacement parking required | No (§66313) |
| Approval pathway | Ministerial · §66314 |
| Typical permit timeline in Hayward | 70-115 days |
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