In unincorporated St. Clair County, letting weeds or grass on a residential subdivision lot exceed eight inches is a declared nuisance. Owners must cut within 10 days of a mailed notice or the county cuts it and bills them.
St. Clair County Code Chapter 25, Article I (Weeds) applies only to residential subdivision lots in the unincorporated areas. Section 25-1-2 declares it a nuisance when listed weeds or grass exceed eight (8) inches. The Building and Zoning Director issues a written notice (25-1-3); the owner has ten days to cut. If not, the county abates and charges the owner (25-1-5), and the cost becomes a lien on the lot superior to all liens except taxes (25-1-6). Inside cities and villages (Belleville, O'Fallon, Fairview Heights, East St. Louis), the municipality's own grass-height rule governs, not the county.
Failure to cut within 10 days lets the county abate and charge the owner; cost becomes a superior lien. Violators are also fined per Chapter 1 of the Code of Ordinances (25-1-9).
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See how Fairview Heights's grass height limits rules stack up against other locations.
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