How to apply for a tree removal permit in Longmont, Colorado

A 5-step walkthrough drawn from Longmont's tree-protection ordinance. For the underlying DBH thresholds, protected-species list, and full fee schedule, see the city ordinance page.

Expected processing time: 3-6 weeks. Plan removal timing accordingly — emergency-tree provisions may differ.

  1. 1

    Determine if your tree is regulated

    Trees at or above 6" DBH (diameter at breast height) are regulated. 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. Heritage / landmark designation: 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.

  2. 2

    Determine who must apply

    Eligible applicants in Longmont: Property owner, authorized agent, or licensed tree service company.

  3. 3

    Prepare your assessment report

    Your assessment report must include: Tree inventory with DBH, species, condition, retention plan, mitigation plan. Required certifications: ISA Certified Arborist.

  4. 4

    Submit to the permitting department

    Submit your application and assessment report to Parks and Natural Resources / Forestry Division. Typical processing time: 3-6 weeks. Reference the full ordinance at https://www.longmontcolorado.gov/forestry.

    View the full Longmont ordinance

  5. 5

    Plan for replacement obligations

    Replacement ratio: Based on tree size and condition (typically 1:1 to 2:1). On-site replacement preferred; fee-in-lieu to tree fund when infeasible.

Where to file

Parks and Natural Resources / Forestry Division

(303) 651-8416

Other Colorado permit walkthroughs

See Colorado replacement obligations compared — how Longmont's replacement ratio ranks against the rest of the state.

See Colorado heritage criteria compared — how Longmont's designation rules stack against the rest of the state.

Need an arborist report for your Longmont permit?

Capture an ISA TRAQ Level 1, 2, or 3 assessment in the field and export a municipality-ready PDF that fits Longmont's required report sections. Free, no account required.

Start a TRAQ assessment