Tree removal permit rules: Eugene vs Lake Oswego, Oregon

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

Side-by-side comparison

Field Eugene Lake Oswego
Protected tree definition Significant tree: 8 inches DBH or greater. Heritage trees receive enhanced protection. Tree preservation standards apply during land use review. Regulated tree: 5 inches DBH or greater on most properties. Heritage trees designated separately for exceptional significance. Sensitive Lands overlay adds additional restrictions.
Heritage / landmark trees Heritage Tree Program recognizes individual trees for exceptional size, species, age, or historical significance. Heritage Tree designation for exceptional size, species, age, or historical association.
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 replacement on site or payment to tree fund Based on tree size category and reason for removal
Replacement details On-site replacement preferred; in-lieu payment to Tree Planting Fund if infeasible. On-site replacement with minimum caliper standards; in-lieu fee available.
Typical processing time 3-6 weeks 3-6 weeks
Permit fee Not documented $220.00
Permitting department Planning and Development Department / Urban Forestry Planning and Building Services
Municipal code View ordinance → View ordinance →

How they differ

Which city has stricter heritage tree protections, Eugene or Lake Oswego?
Both Eugene and Lake Oswego maintain heritage / landmark tree designations. Eugene: Heritage Tree Program recognizes individual trees for exceptional size, species, age, or historical significance. Lake Oswego: Heritage Tree designation for exceptional size, species, age, or historical association.
Where is a tree removal permit processed faster, Eugene or Lake Oswego?
Eugene publishes a typical processing time of 3-6 weeks; Lake Oswego publishes 3-6 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, Eugene or Lake Oswego?
Eugene requires a replacement ratio of Inch-for-inch caliper replacement on site or payment to tree fund. Lake Oswego requires a replacement ratio of Based on tree size category and reason for removal. Eugene: On-site replacement preferred; in-lieu payment to Tree Planting Fund if infeasible. Lake Oswego: On-site replacement with minimum caliper standards; in-lieu fee available.

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