West Linn Tree Removal Permit & Ordinance Guide
Clackamas County, Oregon
Protected Tree Definition
Significant tree: 6 inches DBH or greater on most properties. Heritage trees designated separately for exceptional significance. Hillside and sensitive lands overlays add additional restrictions.
Heritage / Landmark Trees
Heritage Tree designation for exceptional size, species, age, or historical significance.
Permit Requirements
Tree Cutting Permit required for significant trees. Tree preservation plan required during development review. Enhanced review in sensitive lands and hillside overlays.
Who can apply: Property owner or authorized agent with arborist report
Required Report Sections
Tree inventory with DBH, species, condition, retention plan, mitigation calculation
Replacement Requirements
Based on tree size category and reason for removal (typically 1:1 to 2:1)
On-site replacement preferred; fee-in-lieu to tree fund when infeasible.
Fees & Fines
Processing Time
4-6 weeks
Required Certifications
ISA Certified Arborist
Municipal Code
West Linn Community Development Code Chapter 55 (Tree Cutting)
View full ordinanceContact
Planning and Development Department
(503) 722-3483
Nearby Cities in Clackamas County
Other Oregon cities
Compare with nearby cities
Data last verified: April 2026. This information is provided as a reference. Always verify requirements directly with West Linn before submitting permits or reports.
Ready to apply? How to apply for a permit in West Linn →
See Oregon replacement obligations compared: How West Linn's replacement ratio ranks in Oregon →
See Oregon heritage criteria compared: How West Linn's heritage designation ranks in Oregon →
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Start your free TRAQ tree risk assessment — designed for West Linn's specific permit requirements.