The City of Crystal Lake owns and maintains all parkway trees in the grass strip between the roadway and sidewalk, so residents may not prune or remove them without Public Works approval. Trimming trees on your own private lot is generally unrestricted unless the tree is protected.
Crystal Lake Public Works manages the urban forest along public parkways; because those trees are City-owned, homeowners must not top, prune, or cut them and should call Public Works for trimming or hazard concerns. On private property, routine pruning of your own trees is not permitted-regulated, but damaging a tree designated as protected, significant, or heritage under the Unified Development Ordinance's Tree Preservation standards (Article 4) can trigger permit and replacement requirements. Utility-line clearance and emergency storm work are handled by the City or the utility.
Unauthorized trimming, topping, or removal of City parkway trees can bring restitution for the tree's appraised value; damaging a protected tree violates the UDO Tree Preservation standards and requires replacement.
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See how McHenry County's tree trimming rules stack up against other locations.
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