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San Bernardino County · Zoning · FW

San Bernardino County FW zoning: height, setbacks and lot size

In San Bernardino County's FW zone, generally buildings can be up to 35 ft tall and the front setback is 75 ft, with the conditions listed below (San Bernardino County code, read October 2026).

Key points

  • Maximum building height: 35 ft (Valley Region or Desert Region)
  • Minimum front setback: 75 ft (Valley Region or Desert Region)
  • Minimum side setback: 15 ft
  • Minimum rear setback: 15 ft

FW (Floodway) 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 FW

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
Applies: Valley Region or Desert Region
§ 82.03.060 · code text
Table row “Maximum height”, column “FW Floodway”: 35 ft.
Minimum front setback
75 ft
Applies: Valley Region or Desert Region
§ 82.03.060 · code text
Table row “Front”, column “FW Floodway”: 75 ft.
Minimum side setback
15 ft
§ 82.03.060 · code text
Table row “Side - Interior (each)”, column “FW Floodway”: 15 ft.
Minimum rear setback
15 ft
§ 82.03.060 · code text
Table row “Rear”, column “FW Floodway”: 15 ft.

Uses in FW

Uses the code's use tables allow in FW, or allow with a permit. Each links to its page with the code section.

When a different number applies

The code sets other values for particular lots, buildings or locations in FW:

  • Maximum building height: 25 ft — Mountain Region § 82.03.060
  • Minimum front setback: 25 ft — Mountain Region § 82.03.060

Not on this page

We did not find a general stories, lot size, lot coverage, FAR, density limit for FW 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

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the maximum building height in San Bernardino County's FW zone?

35 ft (valley Region or Desert Region) — San Bernardino County Municipal Code § 82.03.060.

What is the minimum front setback in San Bernardino County's FW zone?

75 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 FW zone?

15 ft — San Bernardino County Municipal Code § 82.03.060.

What is the minimum rear setback in San Bernardino County's FW zone?

15 ft — San Bernardino County Municipal Code § 82.03.060.

General information, not legal advice.

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