San Bernardino County · Zoning · OS
San Bernardino County OS zoning: height, setbacks and lot size
In San Bernardino County's OS zone, buildings can be up to 35 ft tall and the front setback is 25 ft (San Bernardino County code, read October 2026).
Key points
- Maximum building height: 35 ft
- Minimum front setback: 25 ft
- Minimum side setback: 15 ft
- Minimum rear setback: 15 ft
OS (Open Space) is a zoning district in San Bernardino County. Every value below was read from the San Bernardino County 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 OS
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.
| Maximum building height | 35 ft § 82.03.060 · code textTable row “Maximum height”, column “OS Open Space”: 35 ft. |
|---|---|
| Minimum front setback | 25 ft § 82.03.060 · code textTable row “Front”, column “OS Open Space”: 25 ft. |
| Minimum side setback | 15 ft § 82.03.060 · code textTable row “Side - Interior (each)”, column “OS Open Space”: 15 ft. |
| Minimum rear setback | 15 ft § 82.03.060 · code textTable row “Rear”, column “OS Open Space”: 15 ft. |
Not on this page
We did not find a general stories, lot size, lot coverage, FAR, density limit for OS in the zoning tables we read. The code may still set one elsewhere — check the San Bernardino County Municipal Code.
Other San Bernardino County zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in San Bernardino County's OS zone?
35 ft — San Bernardino County Municipal Code § 82.03.060.
What is the minimum front setback in San Bernardino County's OS zone?
25 ft — San Bernardino County Municipal Code § 82.03.060.
What is the minimum side setback in San Bernardino County's OS zone?
15 ft — San Bernardino County Municipal Code § 82.03.060.
What is the minimum rear setback in San Bernardino County's OS zone?
15 ft — San Bernardino County Municipal Code § 82.03.060.
General information, not legal advice.
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