Building Setbacks & Zoning in El Cajon, CA (2026)
3 verified building setbacks & zoning rules for El Cajon, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
El Cajon's residential setback table under Municipal Code § 17.140.090 sets minimum yards for primary structures by zone, from a 30-foot front yard in the low-density RS-40 zone down to 10 feet in the multifamily RM-2200 zone. Interior side yards run 5 to 15 feet and rear yards 10 to 25 feet.
El Cajon Yard Setback Minimums by Zone
Some RestrictionsEl Cajon Municipal Code § 17.140.090
§ 17.140.090. Setbacks. The following table lists the minimum setbacks for primary structures in residential zones. The areas subject to building setback restrictions are referred to as "yards." ... Table 17.140.090 Setbacks Residential Zone: Front Yard Setback: Cul-de-sac Front Yard Setback: Exterior Side Yard Setback: Interior Side Yard Setback: Rear Yard Setback: ... RS-40 30 ft.1 20 ft.2 15...
Structure Height Limits
El Cajon caps primary residential structures at 35 feet across every single-family zone from RS-40 through RS-6 under Municipal Code § 17.140.100. Multifamily zones vary more: 25 feet in RM-6000 and RM-2500, 35 feet in RM-4300 and RM-2200, and up to 45 feet in the highest-density RM-1450 zone.
El Cajon Residential Building Height Limits
Some RestrictionsEl Cajon Municipal Code § 17.140.100
§ 17.140.100. Building height. The following table lists the maximum heights for primary structures in residential zones. ... Table 17.140.100 Building Height ... RS-40 35 ft. RS-20 35 ft. RS-14 35 ft. RS-9 35 ft. RS-6 35 ft. RM-6000 25 ft. RM-4300 35 ft. RM-2500 25 ft. RM-2200 35 ft. RM-1450 45 ft. RM-HR Subject to the provisions of Specific Plan No. 182, Transit District Specific Plan, and Mi...
Lot Coverage Limits
El Cajon caps how much of a residential lot can be covered by structures, from 30% in the large-lot RS-40 zone up to 60% in the dense RM-1450 zone. Municipal Code § 17.140.110 counts every primary and accessory structure, plus overhead lattices and trellises, toward that limit.
El Cajon Residential Lot Coverage Limits
Some RestrictionsEl Cajon Municipal Code § 17.140.110
§ 17.140.110. Lot coverage. The following table lists the maximum lot coverage in residential zones. Lot coverage includes all covered structures including primary and accessory structures. Overhead lattices and trellises shall also contribute to lot coverage calculations. ... Table 17.140.110 Lot Coverage ... RS-40 30% RS-20 40% RS-14 40% RS-9 40% RS-6 40% RM-6000 40% RM-4300 50% RM-2500 55% R...
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