How to apply for a tree removal permit in West Linn, Oregon

A 5-step walkthrough drawn from West Linn's tree-protection ordinance. For the underlying DBH thresholds, protected-species list, and full fee schedule, see the city ordinance page.

Expected processing time: 4-6 weeks. Plan removal timing accordingly — emergency-tree provisions may differ.

  1. 1

    Determine if your tree is regulated

    Trees at or above 6" DBH (diameter at breast height) are regulated. 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 designation: Heritage Tree designation for exceptional size, species, age, or historical significance.

  2. 2

    Determine who must apply

    Eligible applicants in West Linn: Property owner or authorized agent with arborist report.

  3. 3

    Prepare your assessment report

    Your assessment report must include: Tree inventory with DBH, species, condition, retention plan, mitigation calculation. Required certifications: ISA Certified Arborist.

  4. 4

    Submit to the permitting department

    Submit your application and assessment report to Planning and Development Department. Typical processing time: 4-6 weeks. Reference the full ordinance at https://westlinnoregon.gov/planning.

    View the full West Linn ordinance

  5. 5

    Plan for replacement obligations

    Replacement ratio: 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.

Where to file

Planning and Development Department

(503) 722-3483

Other Oregon permit walkthroughs

See Oregon replacement obligations compared — how West Linn's replacement ratio ranks against the rest of the state.

See Oregon heritage criteria compared — how West Linn's designation rules stack against the rest of the state.

Compare with nearby cities

Need an arborist report for your West Linn permit?

Capture an ISA TRAQ Level 1, 2, or 3 assessment in the field and export a municipality-ready PDF that fits West Linn's required report sections. Free, no account required.

Start a TRAQ assessment