Building Setbacks & Zoning in Brentwood, CA (2026)
3 verified building setbacks & zoning rules for Brentwood, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
Brentwood's R-1 single-family zone sets a flat twenty-foot front and rear yard, but side yards scale with lot size. Municipal Code § 17.130.004 requires a five-foot minimum (fifteen-foot combined) in R-1-6, rising to a twelve-foot minimum (thirty-foot combined) in the larger-lot R-1-12 subzone.
Brentwood R-1 Zone Yard Setback Minimums
Some RestrictionsBrentwood Municipal Code § 17.130.004(D), (F), (G)
The following regulations shall apply to the R-1 zone and subzones: ... D. Minimum front yard: twenty feet; ... F. Minimum side yards: for each subzone as follows except as provided for in H-2 and H-3: 1. R-1-6 zone: minimum—five feet, sum of both sides—fifteen feet, 2. R-1-8 zone: minimum—seven feet, sum of both sides—twenty feet, 3. R-1-10 zone: minimum—nine feet, sum of both sides—twenty-fiv...
Structure Height Limits
Brentwood caps residential building height by zone. In the RE (ranchette estate) zone, Municipal Code § 17.110.004(G) limits "any accessory or main building" to "two stories and thirty-five feet," the tallest ceiling among the city's standard single-family zones.
Brentwood Residential Building Height Limits
Some RestrictionsBrentwood Municipal Code § 17.110.004(G)
Maximum Building Height Limit. No accessory or main building shall exceed a height of two stories and thirty-five feet.
Lot Coverage Limits
In Brentwood's R-2 and R-3 multifamily zones, Municipal Code § 17.140.006(B) and § 17.150.004(H) both cap building footprint at forty percent: "the main building and all accessory buildings shall not cover more than forty percent of the lot area," on top of the zones' minimum yard setbacks.
Brentwood Multifamily Zone Lot Coverage Cap
Some RestrictionsBrentwood Municipal Code § 17.140.006(B)
The following regulations shall apply to the building of apartments and attached single-family dwellings in the R-2 zone; ... ... B. Maximum Lot Coverage. The main building and all accessory buildings shall not cover more than forty percent of the lot area.
Looking for Contra Costa County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Brentwood city rules.
Building Setbacks & Zoning in Contra Costa County →