Building Setbacks & Zoning in Richardson, TX (2026)
3 verified building setbacks & zoning rules for Richardson, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
Richardson's R-1250-M single-family district requires a 30-foot front setback, a 25-foot rear setback, and a side setback that scales with lot width from 7 to 15 feet, with narrow carve-outs letting eaves, fireplaces and bay windows project up to two feet into the setback.
Richardson R-1250-M Front, Side, Rear Setbacks
Some RestrictionsRichardson, Tex., Code of Ordinances, Appx. A (Comprehensive Zoning Ordinance) Art. VI, § 4(e)-(g) (Setbacks, R-1250-M District)
(e)Front setback.(1)There shall be a front setback having a minimum depth of 30 feet. Unenclosed porches, fireplaces, and other architectural appendages may project into the required front setback for a distance not to exceed five feet. ... (f)Side setback.(1)There shall be a side setback on each side of the lot ... except the side setback on a corner lot adjacent to a side street shall not be ...
Structure Height Limits
In Richardson's R-1250-M single-family district, a house is capped at two stories, with the first story limited to 25 feet and the second to 15 feet, while a detached accessory building like a garage or servants' quarters tops out at one story and 12 to 25 feet depending on its footprint.
Richardson Single-Family Height Limits
Some RestrictionsRichardson, Tex., Code of Ordinances, Appx. A (Comprehensive Zoning Ordinance) Art. VI, § 3 (Height regulations, R-1250-M District)
(a)Principal building. No principal building shall exceed two stories in height. The first story shall be limited to 25 feet in height. The second story shall not exceed 15 feet in height.(b)Accessory buildings. Accessory buildings shall be a maximum of one story in height. Accessory buildings of 150 square feet or less shall not exceed 12 feet in height. Accessory buildings of more than 150 sq...
Lot Coverage Limits
Richardson caps total building footprint at 32 percent of the lot in the R-1250-M single-family district, with a grandfathered 35 percent for subdivisions platted and filed before March 31, 1975, and separately limits detached garages and accessory buildings to 8 percent of the lot.
Richardson R-1250-M District Lot Coverage Cap
Some RestrictionsRichardson, Tex., Code of Ordinances, Appx. A (Comprehensive Zoning Ordinance) Art. VI, § 4(d) (Lot coverage, R-1250-M District)
(d)Lot coverage.(1)The lot coverage of all buildings shall not exceed 32 percent of the area of the lot, estate, or other land on which the same is situated. Percentage of lot coverage in this district shall not be affected by this ordinance in subdivisions which have been zoned, platted, and accepted and filed for record prior to March 31, 1975. The lot coverage shall remain at 35 percent for ...
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County ordinances apply to unincorporated areas and may supplement Richardson city rules.
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