Right to Farm in St. Louis County, MO (2026)
1 rule for unincorporated 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.
Agricultural Zoning Protection
St. Louis County's "NU" Non-Urban District exists for areas where rough terrain or distance from infrastructure limits development, and it permits farming, dairy farming, and commercial vegetable, flower, and nursery operations as by-right uses, while requiring a three-acre minimum lot for any competing single-family home.
St. Louis County Non-Urban District Farming Rule
Few RestrictionsSt. Louis County Code § 1003.107
Scope of provisions. This section contains the district regulations of the "NU" Non-Urban District...The "NU" Non-Urban District of St. Louis County encompasses areas within which rough natural topography, geological conditions, or location in relation to urbanized areas creates practical difficulties in providing and maintaining public roads, and public or private utility services and faciliti...
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