Tree removal permit rules: Hillsboro vs Oregon City, Oregon

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

Side-by-side comparison

Field Hillsboro Oregon City
Protected tree definition Significant tree: 6 inches DBH or greater on development sites. Tree preservation required during land use review. Heritage and historic trees designated separately. Significant tree: 6 inches DBH or greater on development sites. Tree preservation required during land use review.
Heritage / landmark trees Heritage trees designated for exceptional size, species, age, or community value. Tree preservation framework under Oregon City Municipal Code Chapter 17.41 (Protection of Trees) applies to significant trees on development sites; heritage-level protection accrues to trees of exceptional size, species, age, or historical significance designated through the chapter's preservation provisions.
Who can apply Property owner or authorized agent with arborist report Property owner or authorized agent with arborist report
Replacement ratio Inch-for-inch caliper mitigation or tree unit replacement Inch-for-inch caliper mitigation or tree unit replacement
Replacement details On-site replacement preferred; fee-in-lieu to tree fund when infeasible. On-site replacement preferred; fee-in-lieu when infeasible.
Typical processing time 4-6 weeks 4-6 weeks
Permit fee Not documented Not documented
Permitting department Planning Department Community Development Department
Municipal code View ordinance → View ordinance →

How they differ

Which city has stricter heritage tree protections, Hillsboro or Oregon City?
Both Hillsboro and Oregon City maintain heritage / landmark tree designations. Hillsboro: Heritage trees designated for exceptional size, species, age, or community value. Oregon City: Tree preservation framework under Oregon City Municipal Code Chapter 17.41 (Protection of Trees) applies to significant trees on development sites; heritage-level protection accrues to trees of excep…
Where is a tree removal permit processed faster, Hillsboro or Oregon City?
Hillsboro publishes a typical processing time of 4-6 weeks; Oregon City publishes 4-6 weeks. Compare each city's published timeline and plan removal accordingly — emergency-tree provisions may shorten the wait in either city.
Where are tree replacement obligations heavier, Hillsboro or Oregon City?
Hillsboro requires a replacement ratio of Inch-for-inch caliper mitigation or tree unit replacement. Oregon City requires a replacement ratio of Inch-for-inch caliper mitigation or tree unit replacement. Hillsboro: On-site replacement preferred; fee-in-lieu to tree fund when infeasible. Oregon City: On-site replacement preferred; fee-in-lieu when infeasible.

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