Aurora Tree Removal Permit & Ordinance Guide
Arapahoe County, Colorado
Protected Tree Definition
Significant tree: 6 inches DBH or greater on development sites. Street and park trees regulated by Forestry Division regardless of size. Ash species subject to Emerald Ash Borer management requirements.
Protected Species
Heritage / Landmark Trees
Significant Trees defined under Aurora Unified Development Ordinance Section 146 (Landscaping) at 6-inch DBH or greater on development sites trigger Tree Preservation Plan review and 1:1 to 2:1 mitigation; street and park trees regulated by Forestry Division regardless of size; ash species subject to Emerald Ash Borer management — Aurora's enhanced-protection tier in lieu of a separate heritage-tree designation.
Permit Requirements
Tree Preservation Plan required during development review. City Forester approval required for public tree work. Arborist license required for commercial tree services.
Who can apply: Property owner, authorized agent, or licensed tree service company
Required Report Sections
Tree inventory with DBH, species, condition, retention plan, mitigation plan
Replacement Requirements
1:1 to 2:1 mitigation based on tree size and condition
On-site replacement preferred; fee-in-lieu to tree mitigation fund when infeasible.
Fees & Fines
Processing Time
3-6 weeks
Required Certifications
ISA Certified Arborist
Municipal Code
Aurora Unified Development Ordinance Section 146 (Landscaping)
View full ordinanceContact
Parks, Recreation and Open Space / Forestry
(303) 739-7160
Nearby Cities in Arapahoe County
Other Colorado cities
Compare with nearby cities
Data last verified: April 2026. This information is provided as a reference. Always verify requirements directly with Aurora before submitting permits or reports.
Ready to apply? How to apply for a permit in Aurora →
See Colorado replacement obligations compared: How Aurora's replacement ratio ranks in Colorado →
See Colorado heritage criteria compared: How Aurora's heritage designation ranks in Colorado →
Need an arborist report for Aurora?
Start your free TRAQ tree risk assessment — designed for Aurora's specific permit requirements.