San Bernardino County · Land use · Single-family home
Where is a single-family home allowed in San Bernardino County?
In San Bernardino County, a single-family home is allowed in 7 base zones (RC, AG, RL, RS, RM and 2 more, 1 with a condition) and not allowed in 12 (San Bernardino County use tables, read October 2026).
Key points
- Allowed: RC, AG, RL, RS, RM, CR and SD-RES
- Not allowed: FW, OS, CN, CO, CG, CS, CH, IC and 4 more
Find your lot's zone on the city zoning map, then read its row. Every status below was read from the San Bernardino County Municipal Code use tables (read October 2026). Base zones only. General information, not legal advice — check with the city before you apply.
Zones where a single-family home can go
San Bernardino County's code calls this use “Single dwelling”. Each row links to the use table it comes from. A zone marked “see note” has a condition in the code, for example upper floors only or a larger lot.
| Zone | Status | Code |
|---|---|---|
| RC Resource Conservation | Allowed | Division 2 — LAND USE ZONING DISTRICTS AND ALLOWED LAND USES |
| AG Agriculture | Allowed | Division 2 — LAND USE ZONING DISTRICTS AND ALLOWED LAND USES |
| RL Rural Living | Allowed | Division 2 — LAND USE ZONING DISTRICTS AND ALLOWED LAND USES |
| RS Single Residential | Allowed | Division 2 — LAND USE ZONING DISTRICTS AND ALLOWED LAND USES |
| RM Multiple Residential | Allowed — see note Note 6: Single dwellings will only be allowed within an RM Land Use Zoning District when sewer service is not available or the lot is less than one-half acre. | Division 2 — LAND USE ZONING DISTRICTS AND ALLOWED LAND USES |
| CR Rural Commercial | Allowed | Division 2 — LAND USE ZONING DISTRICTS AND ALLOWED LAND USES |
| SD-RES Special Development (residential focus) | Allowed | Division 2 — LAND USE ZONING DISTRICTS AND ALLOWED LAND USES |
Zones where it is not allowed
What else applies
- State law: State law lets most single-family lots add an ADU and a JADU (California ADU law) and a second home or a lot split under SB 9 (Gov. Code § 65852.21).
- Not covered here: SP (Specific Plan) districts: use rules sit in each specific plan, not in this text. Overlay zones and specific plans can also change the answer.
Other uses in San Bernardino County
Who this affects
Frequently asked questions
Can I have a single-family home in the FW zone in San Bernardino County?
No. San Bernardino County's use table does not allow it in FW (Floodway) (Division 2 — LAND USE ZONING DISTRICTS AND ALLOWED LAND USES).
Can I have a single-family home in the RC zone in San Bernardino County?
Yes. San Bernardino County's use table lists it as allowed in RC (Resource Conservation) (Division 2 — LAND USE ZONING DISTRICTS AND ALLOWED LAND USES).
General information, not legal advice.
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