Tree removal permit rules: Lake Oswego 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 Lake Oswego ordinance page or the Oregon City ordinance page.
Side-by-side comparison
| Field | Lake Oswego | Oregon City |
|---|---|---|
| Protected tree definition | Regulated tree: 5 inches DBH or greater on most properties. Heritage trees designated separately for exceptional significance. Sensitive Lands overlay adds additional restrictions. | Significant tree: 6 inches DBH or greater on development sites. Tree preservation required during land use review. |
| Heritage / landmark trees | Heritage Tree designation for exceptional size, species, age, or historical association. | 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 | Based on tree size category and reason for removal | Inch-for-inch caliper mitigation or tree unit replacement |
| Replacement details | On-site replacement with minimum caliper standards; in-lieu fee available. | On-site replacement preferred; fee-in-lieu when infeasible. |
| Typical processing time | 3-6 weeks | 4-6 weeks |
| Permit fee | $220.00 | Not documented |
| Permitting department | Planning and Building Services | Community Development Department |
| Municipal code | View ordinance → | View ordinance → |
How they differ
- Which city has stricter heritage tree protections, Lake Oswego or Oregon City?
- Both Lake Oswego and Oregon City maintain heritage / landmark tree designations. Lake Oswego: Heritage Tree designation for exceptional size, species, age, or historical association. 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, Lake Oswego or Oregon City?
- Lake Oswego publishes a typical processing time of 3-6 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, Lake Oswego or Oregon City?
- Lake Oswego requires a replacement ratio of Based on tree size category and reason for removal. Oregon City requires a replacement ratio of Inch-for-inch caliper mitigation or tree unit replacement. Lake Oswego: On-site replacement with minimum caliper standards; in-lieu fee available. Oregon City: On-site replacement preferred; fee-in-lieu when infeasible.
Lake Oswego next steps
Oregon City next steps
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