Which city has stricter heritage tree protections, Boulder or Centennial?

Both Boulder and Centennial 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… Centennial: Significant Trees defined under Centennial Land Development Code (Tree Preservation) at 6-inch DBH or greater on development sites trigger Tree Preservation Plan review with retention and mitigation…

Where is a tree removal permit processed faster, Boulder or Centennial?

Centennial 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 Centennial?

Boulder requires a replacement ratio of Based on tree category and site-specific review. Centennial requires a replacement ratio of Based on tree size and condition (typically 1:1 to 2:1). Boulder: Replacement required to maintain canopy coverage; in-lieu fees available. Centennial: On-site replacement preferred; fee-in-lieu when infeasible.

Tree removal permit rules: Boulder vs Centennial, 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 Centennial ordinance page.

Side-by-side comparison

Field	Boulder	Centennial
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. Tree preservation required during development review. Ash species subject to EAB management.
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 Centennial Land Development Code (Tree Preservation) at 6-inch DBH or greater on development sites trigger Tree Preservation Plan review with retention and mitigation requirements during plat, site plan, and building permit applications — Centennial's enhanced-protection tier in lieu of a separate heritage-tree designation.
Who can apply	Not documented	Property owner or authorized agent with arborist report
Replacement ratio	Based on tree category and site-specific review	Based on tree size and condition (typically 1:1 to 2:1)
Replacement details	Replacement required to maintain canopy coverage; in-lieu fees available.	On-site replacement preferred; fee-in-lieu when infeasible.
Typical processing time	Not documented	3-6 weeks
Permit fee	Not documented	Not documented
Permitting department	Parks and Recreation / Forestry Division	Community Development Department
Municipal code	View ordinance →	View ordinance →

How they differ

Which city has stricter heritage tree protections, Boulder or Centennial?: Both Boulder and Centennial 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… Centennial: Significant Trees defined under Centennial Land Development Code (Tree Preservation) at 6-inch DBH or greater on development sites trigger Tree Preservation Plan review with retention and mitigation…
Where is a tree removal permit processed faster, Boulder or Centennial?: Centennial 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 Centennial?: Boulder requires a replacement ratio of Based on tree category and site-specific review. Centennial requires a replacement ratio of Based on tree size and condition (typically 1:1 to 2:1). Boulder: Replacement required to maintain canopy coverage; in-lieu fees available. Centennial: On-site replacement preferred; fee-in-lieu when infeasible.

Boulder next steps

Centennial next steps

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