San Bernardino · Zoning · RM
San Bernardino RM zoning: height, setbacks and lot size
In San Bernardino's RM zone, generally the minimum lot size is 14,400 sq ft, the rear setback limit is 10 ft and the lot coverage limit is 50%, with the conditions listed below (San Bernardino code, read October 2026).
Key points
- Minimum rear setback: 10 ft (Single-family dwellings follow the RS standards.)
- Minimum lot size: 14,400 sq ft (Parcels existing before November 1, 2012 may be smaller. Single-family dwellings follow the RS standards.)
- Maximum lot coverage: 50% (Single-family dwellings follow the RS standards.)
- Maximum density: 12 units per acre (18 for senior housing. Single-family dwellings follow the RS standards.)
RM is a zoning district in San Bernardino. Every value below was read from the San Bernardino Municipal Code and links to its section (read October 2026). State laws such as the ADU and SB 9 rules can allow more on a residential lot. General information, not legal advice — read the code text and check with the city before you build.
Development standards in RM
The general rule for a typical lot in this zone. Zoning tables often attach notes, such as rules for corner lots, lots next to a residential zone, or new subdivisions only. Open “code text” under a value to see the table cell or sentence it was read from.
| Minimum rear setback | 10 ft Applies: Single-family dwellings follow the RS standards. § 19.04.030 · code textTable row “Rear Setback (feet) (4)”, column “RM”: 10 |
|---|---|
| Minimum lot size | 14,400 sq ft Applies: Parcels existing before November 1, 2012 may be smaller. Single-family dwellings follow the RS standards. § 19.04.030 · code textTable row “Lot Area (s.f.) (Minimum required for new development)”, column “RM”: 14,400 (1) |
| Maximum lot coverage | 50% Applies: Single-family dwellings follow the RS standards. § 19.04.030 · code textTable row “Building Lot Coverage (Maximum %)”, column “RM”: 50 |
| Maximum density | 12 units per acre Applies: 18 for senior housing. Single-family dwellings follow the RS standards. § 19.04.030 · code textTable row “Lot Area Maximum Units/ Net Acre”, column “RM”: 12 |
Not on this page
We did not find a general height, stories, front setback, side setback, FAR limit for RM in the zoning tables we read. The code may still set one elsewhere — check the San Bernardino Municipal Code.
Other San Bernardino zoning districts
Who this affects
Frequently asked questions
What is the minimum rear setback in San Bernardino's RM zone?
10 ft (single-family dwellings follow the RS standards) — San Bernardino Municipal Code § 19.04.030.
What is the minimum lot size in San Bernardino's RM zone?
14,400 sq ft (parcels existing before November 1, 2012 may be smaller. Single-family dwellings follow the RS standards) — San Bernardino Municipal Code § 19.04.030.
What is the maximum lot coverage in San Bernardino's RM zone?
50% (single-family dwellings follow the RS standards) — San Bernardino Municipal Code § 19.04.030.
What is the maximum density in San Bernardino's RM zone?
12 units per acre (18 for senior housing. Single-family dwellings follow the RS standards) — San Bernardino Municipal Code § 19.04.030.
General information, not legal advice.
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