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Building Setbacks & Zoning in San Bernardino County, CA (2026)

3 county-level rules, plus city-specific rules for 5 cities in San Bernardino County, California.

Verified from official government sources

Note: These county rules apply to unincorporated areas of San Bernardino County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Setback Rules

Unincorporated San Bernardino County requires a 25-foot front setback and 15-foot rear setback for RL, RS, and RM residential zones under the Development Code's Valley Region standards table.

San Bernardino County Yard Setbacks

Some Restrictions

San Bernardino County Code § 82.04.060, Table 82-9A

Table 82-9A Residential Land Use Zoning District Development Standards Valley Region ... Development Feature RL Rural Living RS Single Residential RM Multiple Residential ... Front 25 ft. 25 ft.(2) 25 ft.(2) ... Rear 15 ft. 15 ft. 15 ft.

Structure Height Limits

Unincorporated homes cap out at 35 feet in RL and RS zones and 45 feet in RM zones, measured from the highest adjoining grade to the roofline.

San Bernardino County Height Limits

Some Restrictions

San Bernardino County Code § 83.02.040

(a) Maximum Height Allowed. The height of buildings/structures shall not exceed the standards established by the applicable land use zoning district, except as otherwise provided in this Section. (b) Height Measurement. Height shall be measured as the vertical distance above a referenced datum measured to the highest point of the coping of a flat roof or to the deck line of mansard roof or to t...

Lot Coverage Limits

In the Valley Region of unincorporated San Bernardino County, RL lots cap structure and impervious coverage at 20 percent, RS lots at up to 40 percent, and RM lots at 60 percent.

San Bernardino County Lot Coverage Limits

Some Restrictions

San Bernardino County Code § 82.04.060, Table 82-9A

Lot coverage — Maximum percentage of the total lot area that may be covered by structures and impervious surfaces. Maximum coverage: RL Rural Living - 20 percent. RS Single Residential - Lot less than 20,000 sq. ft.: entire building envelope; lot of 20,000 sq. ft. or larger: 40 percent. RM Multiple Residential - 60 percent.

Building Setbacks & Zoning by City in San Bernardino County

5 cities in San Bernardino County have their own building setbacks & zoning rules. Each link goes to that city's dedicated page with code citations.

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