San Bernardino County · Zoning · AG
San Bernardino County AG zoning: height, setbacks and lot size
In San Bernardino County's AG zone, generally buildings can be up to 35 ft tall and the front setback is 25 ft, with the conditions listed below (San Bernardino County code, read October 2026).
Key points
- Maximum building height: 35 ft
- Minimum front setback: 25 ft (Valley Region or Desert Region)
- Minimum side setback: 15 ft (Valley Region or Desert Region; interior side (each))
- Minimum rear setback: 15 ft (Valley Region or Desert Region)
- Maximum density: 1 unit per 10 acres
AG (Agriculture) 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 AG
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 “AG Agriculture”: 35 ft. |
|---|---|
| Minimum front setback | 25 ft Applies: Valley Region or Desert Region § 82.03.060 · code textTable row “Front”, column “AG Agriculture”: 25 ft. |
| Minimum side setback | 15 ft Applies: Valley Region or Desert Region; interior side (each) § 82.03.060 · code textTable row “Side - Interior (each)”, column “AG Agriculture”: 15 ft. |
| Minimum rear setback | 15 ft Applies: Valley Region or Desert Region § 82.03.060 · code textTable row “Rear”, column “AG Agriculture”: 15 ft. |
| Maximum density | 1 unit per 10 acres § 82.03.060 · code textTable row “Maximum density”, column “AG Agriculture”: 1 unit per 10 acres; accessory dwellings as allowed by Chapter 84.36 (Accessory Dwelling Units) |
Uses in AG
Uses the code's use tables allow in AG, or allow with a permit. Each links to its page with the code section.
- Single-family home — Allowed
- Church or place of worship — Needs a conditional use permit
- Community garden — Allowed
When a different number applies
The code sets other values for particular lots, buildings or locations in AG:
- Minimum front setback: 35 ft — Mountain Region; AG (1) is limited to the Oak Glen Community Plan area only § 82.03.060
- Minimum side setback: 30 ft — Mountain Region; interior side (each); AG (1) is limited to the Oak Glen Community Plan area only § 82.03.060
- Minimum rear setback: 35 ft — Mountain Region; AG (1) is limited to the Oak Glen Community Plan area only § 82.03.060
Not on this page
We did not find a general stories, lot size, lot coverage, FAR limit for AG 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 AG zone?
35 ft — San Bernardino County Municipal Code § 82.03.060.
What is the minimum front setback in San Bernardino County's AG zone?
25 ft (valley Region or Desert Region) — San Bernardino County Municipal Code § 82.03.060.
What is the minimum side setback in San Bernardino County's AG zone?
15 ft (valley Region or Desert Region; interior side (each)) — San Bernardino County Municipal Code § 82.03.060.
What is the minimum rear setback in San Bernardino County's AG zone?
15 ft (valley Region or Desert Region) — San Bernardino County Municipal Code § 82.03.060.
What is the maximum density in San Bernardino County's AG zone?
1 unit per 10 acres — San Bernardino County Municipal Code § 82.03.060.
General information, not legal advice.
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