Tree Protection in St. Louis County, MO (2026)
1 county-level rule, plus city-specific rules for 1 city in St. Louis County, Missouri.
Verified from official government sources
Note: These county rules apply to unincorporated areas of St. Louis County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Parkway Planting
St. Louis County requires one street tree for every single-family lot, two on a corner lot, and one per 50 feet of frontage on common land, multiple-family and nonresidential plats. Trees must be 1½ inches in caliper, set 3 feet off any curb, and no more than 40 percent of one species.
St. Louis County Street Tree Planting Rules
Some RestrictionsSt. Louis County Code § 1005.340(2)
Required street trees. For all single-family residential subdivisions there shall be a minimum of one (1) tree for every lot; in cases of lots having frontage of more than one (1) street (e.g. corner lots) there shall be a minimum of one (1) tree for each street on which the lot has frontage. For common land, multiple-family residential subdivisions, and nonresidential subdivisions, there shall...
Tree Protection by City in St. Louis County
1 cities in St. Louis County have their own tree protection rules. Each link goes to that city's dedicated page with code citations.
All St. Louis County ordinances
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