SB 1211 for 6-unit apartment in Santa Clarita
Santa Clarita's SB 1211 math for 6-unit apartment owners: 6 detached ADUs (the §66323 cap), plus 1 interior conversions. Total: 7 new homes. At Santa Clarita's median rent of $2,400/mo, that's ~$202K in additional gross annual rent.
The Santa Clarita 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 Santa Clarita medians.
Local tip for Santa Clarita: Suburban LA growth.
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 Santa Clarita | $2,400/mo |
| Est. additional gross rent | $202K/yr |
| Estimated total project cost | ~$1,725K |
| Year-1 NOI estimate | ~$152K |
| Stabilized cap rate at cost | 8.8% |
| Replacement parking required | No (§66313) |
| Approval pathway | Ministerial · §66314 |
| Typical permit timeline in Santa Clarita | 75-120 days |
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