Chicago, IL Tree Protection: Tree Ordinances (2026)

Chicago's tree protection regulations operate through several mechanisms. Parkway trees, which are trees within the public right-of-way (typically the strip between the sidewalk and street), are city property managed by the Bureau of Forestry. No person may remove, prune, damage, or attach anything to a parkway tree without authorization from the city. The Bureau of Forestry handles tree planting, maintenance, and removal of parkway trees. For private property, the Chicago Municipal Code requires a tree removal permit for trees over 10 inches in diameter at breast height when removal is associated with a building permit or development project. The permit process may require an arborist assessment and tree protection plan. Replacement planting or payment into the city's tree fund may be required as mitigation. Chicago's urban canopy covers approximately 17% of the city, and the city has set a goal to increase canopy coverage. The Department of Transportation's Complete Streets guidelines also include provisions for preserving and planting trees along city streets. In designated landmark districts, tree removal may be subject to additional review by the Commission on Chicago Landmarks.