Building Setbacks & Zoning in Rialto, CA (2026)
3 verified building setbacks & zoning rules for Rialto, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
In Rialto's R-1 single-family zone, Municipal Code Section 18.10.030 sets a 25-foot minimum front yard, interior side yards of at least 10 percent of lot width (three to five feet), corner side yards of 20 percent of lot width (ten to fifteen feet), and a 20-foot minimum rear yard. Corner-lot garages need an extra setback.
Rialto R-1 Zone Yard Setback Minimums
Some RestrictionsRialto Municipal Code Sec. 18.10.030(E)-(G)
E.Front yard is twenty-five feet. Where lots comprising fifty percent or more of the frontage on one side of a street between intersecting streets are developed with front yards of a greater depth, the average of such front yard establishes the front yard depth for the entire frontage of that side of the street and within that block.F.Side yard requirements are as follows:1.On interior lots the...
Structure Height Limits
Rialto's R-1 single-family zone caps residential building height at two and one-half stories and no more than 35 feet under Municipal Code Section 18.10.030(D). Roof-mounted equipment like elevator penthouses, chimneys, and antenna masts can rise above that limit under a separate exceptions section, but living space cannot use the extra height.
Rialto R-1 Zone Height Limit: 35 Feet
Some RestrictionsRialto Municipal Code Sec. 18.10.030(D)
D.Building height limit is two and one-half stories, and not exceeding thirty-five feet.
Lot Coverage Limits
Rialto's R-1 single-family zone caps total building coverage at 30 percent of the lot area under Municipal Code Section 18.10.030(I). The limit applies to every roofed structure on the parcel combined: house, garage, patio covers and sheds. It applies on the zone's standard 8,400-square-foot minimum lot, sized 80 feet wide by 100 feet deep.
Rialto Single-Family Lot Coverage Capped at 30%
Some RestrictionsRialto Municipal Code Sec. 18.10.030(I)
A.Lot area is eight thousand four hundred square feet.B.Lot width is eighty feet.C.Lot depth is one hundred feet....I.Maximum building coverage is thirty percent of the lot area.J.Median and average dwelling size shall be not less than one thousand six hundred square feet, with a minimum dwelling size of one thousand four hundred forty square feet, exclusive of garages, porches, eaves or simila...
Looking for San Bernardino County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Rialto city rules.
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