Building Setbacks & Zoning in St. Louis, MO (2026)
2 verified building setbacks & zoning rules for St. Louis, Missouri, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
In the "A" Single-Family Dwelling District, front yards must be at least 25 feet deep, side yards at least 4 feet each (10 feet total), and rear yards at least 25 feet deep, under the City's lettered zoning code.
St. Louis Single-Family Yard Setbacks
Some RestrictionsSt. Louis Revised Code § 26.20.060
When 25 percent of any frontage within the district is improved with dwellings and a majority of such improved frontage has observed a front yard line with a variation in depth of not more than 6 feet, no building hereafter constructed shall project beyond the average front yard line so established except that in no event shall the front yard line be greater than 50 feet. In all other cases, th...
Structure Height Limits
St. Louis caps 'A' Single-Family Dwelling District homes at 2½ stories or 35 feet, allowing 3 stories or 45 feet only with two 10-foot side yards; churches, schools and government buildings can rise to 85 feet.
St. Louis Single-Family Height Limits
Some RestrictionsSt. Louis Revised Code § 26.20.050
No building hereafter erected shall exceed 2½ stories or 35 feet in height unless two side yards of not less than 10 feet in width are provided, in which case a building may not exceed 3 stories or 45 feet in height. Any church, school or governmental building may be erected to a height not exceeding 85 feet, provided that front and rear yards are increased in depth and the side yards are incre...