St. Clair County has no tree-protection ordinance and issues no tree-removal permit for trees on private unincorporated property. Permits and heritage-tree protections, where they exist, come from individual municipalities or apply only to trees on public land and in the right-of-way.
There is no county tree-preservation or heritage-tree ordinance in St. Clair County, and the county Building & Zoning department does not require a permit to remove trees on private unincorporated land. Tree-preservation regulation in Illinois is handled at the municipal level, so any permit, replacement-planting or heritage-tree requirement will be found in a specific city's or village's code, not the county's. Removal or damage of trees on public land, parks, or in the parkway/right-of-way is restricted to authorized municipal crews or requires a public-works permit. Before removing large or specimen trees inside an incorporated area, confirm the local ordinance with that municipality.
No county fine for private tree removal. Cities enforce their own tree-permit and heritage-tree penalties; unauthorized removal of public/parkway trees can bring municipal fines and restitution.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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See how O'Fallon's tree removal permits rules stack up against other locations.
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