Tree removal permit rules: Ashland vs Gresham, Oregon

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

Side-by-side comparison

Field Ashland Gresham
Protected tree definition Significant tree: 6 inches DBH or greater. Heritage trees designated separately. Tree Preservation and Protection chapter governs removal citywide. Significant tree: 6 inches DBH or greater on development sites. Tree preservation standards apply during land use review. Heritage trees designated separately.
Heritage / landmark trees Heritage Tree designation by Tree Commission for exceptional size, species, age, or historical significance. Heritage trees designated for exceptional size, species, age, or historical significance.
Who can apply Property owner or authorized agent with arborist report Property owner or authorized agent with arborist report
Replacement ratio 1:1 to 2:1 mitigation based on tree category Inch-for-inch caliper mitigation
Replacement details On-site replacement preferred; fee-in-lieu to tree fund when infeasible. On-site replacement preferred; fee-in-lieu to tree fund when infeasible.
Typical processing time Not documented 4-6 weeks
Permit fee Not documented Not documented
Permitting department Community Development Department / Tree Commission Urban Design and Planning Department
Municipal code View ordinance → View ordinance →

How they differ

Which city has stricter heritage tree protections, Ashland or Gresham?
Both Ashland and Gresham maintain heritage / landmark tree designations. Ashland: Heritage Tree designation by Tree Commission for exceptional size, species, age, or historical significance. Gresham: Heritage trees designated for exceptional size, species, age, or historical significance.
Where is a tree removal permit processed faster, Ashland or Gresham?
Gresham publishes a typical processing time of 4-6 weeks. Ashland does not publish a typical processing time, so confirm the current turnaround directly with Ashland's permitting department.
Where are tree replacement obligations heavier, Ashland or Gresham?
Ashland requires a replacement ratio of 1:1 to 2:1 mitigation based on tree category. Gresham requires a replacement ratio of Inch-for-inch caliper mitigation. Ashland: On-site replacement preferred; fee-in-lieu to tree fund when infeasible. Gresham: On-site replacement preferred; fee-in-lieu to tree fund when infeasible.

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