Rockland County tree trimming is governed by town tree laws. Clarkstown Chapter 254, Ramapo Chapter 188, and Orangetown Chapter 35 protect trees above 6 inches DBH on undeveloped or commercial parcels. Street trees managed by town highway departments. NY RPAPL §861 allows trimming neighbor branches to property line.
Rockland County tree trimming rules vary by town. Clarkstown Town Code Chapter 254 (Trees) requires permits to remove or severely prune trees over 6 inches diameter at breast height (DBH) on undeveloped land or during subdivision. Ramapo Town Code Chapter 188 imposes similar controls with emphasis on steep-slope erosion zones. Orangetown Chapter 35 protects trees over 8 inches DBH outside established residential yards. Nyack Village has a heritage tree protection ordinance covering trees over 24 inches DBH. Street trees in rights-of-way are managed by town highway departments and cannot be pruned/removed without municipal approval. Under NY law (Turner v. Coppola and common-law nuisance doctrine), a property owner may trim a neighbor's overhanging branches back to the property line without notice, but must not enter neighbor's property and must not damage the tree's health. NY RPAPL §861 addresses liability for wrongful tree injury (treble damages). Palisades Interstate Park trees are state property and federally protected. Con Edison and O&R Utilities perform utility line clearance with ROW rights.
Unpermitted tree removal: $500-$10,000 per tree depending on size (Clarkstown $500/inch DBH). Replacement planting required. NY RPAPL §861 civil treble damages for wrongful tree damage. Street tree damage: town highway department billing.
See how Rockland County's tree trimming rules stack up against other locations.
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