Tree removal permit rules in Jefferson County, CO — sometimes called heritage tree, protected tree, or street tree ordinances — list which trees require a permit before you can cut them down.
Unincorporated Jeffco has no general permit to remove a tree on your own property. In the Wildland-Urban Interface, wildfire mitigation (thinning and removing trees) is encouraged and tied to a Defensible Space Permit for building projects. Colorado State Forest Service thinning guidance applies.
Jefferson County does not require a permit to cut down a healthy tree on private land in the unincorporated county, unlike some cities with heritage-tree ordinances. Instead, in the foothills WUI the county requires a Defensible Space Permit tied to new structures, re-siding, additions, short-term-rental approval and new development, and that mitigation work commonly includes thinning or removing trees and ladder fuels per Colorado State Forest Service defensible-space zones. Slash and debris from thinning must be chipped, hauled, or (subject to burn restrictions) piled and burned. Removal within incorporated cities follows each city's own tree code.
No stand-alone tree-removal fine; WUI mitigation must pass inspection by a County-Approved Wildfire Mitigation Specialist before related permits are approved.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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See how Jefferson County's tree removal & heritage trees rules stack up against other locations.
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