Building Setbacks & Zoning in Tustin, CA (2026)
3 verified building setbacks & zoning rules for Tustin, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
Tustin's R1 Single-Family Residential District requires a 20-foot front yard, 5-foot interior side yard, 10-foot corner side yard, and a 5-foot rear yard leaving at least 1,000 square feet of clear open space, under Table 1 of Tustin City Code Section 9220. Lots fronting a primary or secondary highway follow different standards in Section 9271(u).
Tustin R1 Yard Setback Minimums
Some RestrictionsTustin City Code § 9220 Table 1
Front Yard (1) Interior Side Yard (1) Corner Side Yard (1) Rear Yard (1) ... R1 Single-Family Residential District (2) (Sec. 9223) ... 20 feet 5 feet 10 feet 5 feet, but no less than 1,000 sq. ft. clear and unobstructed usable open space on rear ⅓ of lot ... (1)If front on to secondary or primary highway refer to section 9271u.
Structure Height Limits
Primary homes in Tustin's R1 Single-Family Residential District are capped at 30 feet under Table 1 of Tustin City Code Section 9220, though taller variable heights can be approved for qualifying Objective Design Standards projects if other portions of the building are lowered to offset the impact. Detached accessory buildings face a stricter 25-foot cap under Section 9223(a).
Tustin R1 Building Height Limit
Some RestrictionsTustin City Code § 9220 Table 1; § 9223a
Zoning Minimum Lot Area/Per Family Unit Minimum Lot Width Lot Coverage Building Height ... R1 Single-Family Residential District (2) (Sec. 9223) 7,200 sq. ft./7,200 sq. ft. 60 feet 40 percent 30 feet ... (3) Variable building heights exceeding the maximum height of the zone are allowed for qualifying projects using the Objective Design Standards (ODS), provided that other portions of the develo...
Lot Coverage Limits
In Tustin's R1 Single-Family Residential District, primary structures cannot cover more than 40 percent of the lot under Table 1 of Tustin City Code Section 9220. Detached accessory buildings face a tighter cap: no more than 30 percent of the rear yard, per Section 9223(a).
Tustin R1 Maximum Lot Coverage
Some RestrictionsTustin City Code § 9220 Table 1; § 9223a
Zoning Minimum Lot Area/Per Family Unit Minimum Lot Width Lot Coverage ... R1 Single-Family Residential District (2) (Sec. 9223) 7,200 sq. ft./7,200 sq. ft. 60 feet 40 percent ... 2.Accessory buildings only if constructed simultaneously with or subsequent to the main building on the same lot. ... (c)Maximum lot coverage: 30 percent of rear yard.
Looking for Orange County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Tustin city rules.
Building Setbacks & Zoning in Orange County →