Tree removal permit rules: Boulder vs Fort Collins, Colorado

A side-by-side comparison drawn from each city's tree-protection ordinance. For the underlying full ordinance text, see the Boulder ordinance page or the Fort Collins ordinance page.

Side-by-side comparison

Field Boulder Fort Collins
Protected tree definition Public trees (rights-of-way, parks, open space) regulated regardless of size. On private property, trees subject to landscape and development review. Forestry Division has authority over all public trees. Significant tree: 6 inches DBH or greater on development sites. Public trees regulated by City Forester regardless of size. Tree preservation standards apply during Land Use Code review.
Heritage / landmark trees Boulder Revised Code Chapter 6-6 (Forestry) establishes Forestry Division authority over all public trees on rights-of-way, parks, and open space regardless of size; private-property trees subject to landscape and development preservation review at one of the most stringent DBH thresholds in Colorado — Boulder's enhanced-protection tier in lieu of a separate heritage-tree designation. (Numeric protected-tree threshold stored separately in the protected_tree_dbh_threshold field.) Significant Trees defined under Fort Collins Land Use Code Section 3.2.1 (Landscaping and Tree Protection) at 6-inch DBH or greater on development sites trigger mitigation calculation and replacement requirements based on condition rating and size; public trees regulated by City Forester regardless of size — Fort Collins's enhanced-protection tier in lieu of a separate heritage-tree designation.
Who can apply Not documented Property owner or authorized agent with arborist assessment
Replacement ratio Based on tree category and site-specific review Mitigation based on condition rating and size (typically 1:1 to 2:1)
Replacement details Replacement required to maintain canopy coverage; in-lieu fees available. On-site replacement preferred; payment to tree mitigation fund when infeasible.
Typical processing time Not documented 3-6 weeks
Permit fee Not documented Not documented
Permitting department Parks and Recreation / Forestry Division Parks Department / City Forester
Municipal code View ordinance → View ordinance →

How they differ

Which city has stricter heritage tree protections, Boulder or Fort Collins?
Both Boulder and Fort Collins maintain heritage / landmark tree designations. Boulder: Boulder Revised Code Chapter 6-6 (Forestry) establishes Forestry Division authority over all public trees on rights-of-way, parks, and open space regardless of size; private-property trees subject to… Fort Collins: Significant Trees defined under Fort Collins Land Use Code Section 3.2.1 (Landscaping and Tree Protection) at 6-inch DBH or greater on development sites trigger mitigation calculation and replacement…
Where is a tree removal permit processed faster, Boulder or Fort Collins?
Fort Collins publishes a typical processing time of 3-6 weeks. Boulder does not publish a typical processing time, so confirm the current turnaround directly with Boulder's permitting department.
Where are tree replacement obligations heavier, Boulder or Fort Collins?
Boulder requires a replacement ratio of Based on tree category and site-specific review. Fort Collins requires a replacement ratio of Mitigation based on condition rating and size (typically 1:1 to 2:1). Boulder: Replacement required to maintain canopy coverage; in-lieu fees available. Fort Collins: On-site replacement preferred; payment to tree mitigation fund when infeasible.

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