Longmont Tree Removal Permit & Ordinance Guide
Boulder County, Colorado
Protected Tree Definition
Significant tree: 6 inches DBH or greater on development sites. Public trees regulated by Forestry Division regardless of size. Ash species subject to EAB management.
Protected Species
Heritage / Landmark Trees
Significant Trees defined under Longmont Municipal Code Chapter 14.20 (Forestry) at 6-inch DBH or greater on development sites trigger Tree Preservation Plan review; public trees regulated by Forestry Division regardless of size; commercial tree services must be licensed — Longmont's enhanced-protection tier in lieu of a separate heritage-tree designation.
Permit Requirements
Tree Preservation Plan required during site plan review. Forestry Division approval required for public tree work. Commercial tree services must be licensed.
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
Based on tree size and condition (typically 1:1 to 2:1)
On-site replacement preferred; fee-in-lieu to tree fund when infeasible.
Fees & Fines
Processing Time
3-6 weeks
Required Certifications
ISA Certified Arborist
Municipal Code
Longmont Municipal Code Chapter 14.20 (Forestry)
View full ordinanceContact
Parks and Natural Resources / Forestry Division
(303) 651-8416
Nearby Cities in Boulder 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 Longmont before submitting permits or reports.
Ready to apply? How to apply for a permit in Longmont →
See Colorado replacement obligations compared: How Longmont's replacement ratio ranks in Colorado →
See Colorado heritage criteria compared: How Longmont's heritage designation ranks in Colorado →
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