Tree removal permit rules: Auburn vs Issaquah, Washington

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

Side-by-side comparison

Field Auburn Issaquah
Protected tree definition Significant tree: 6+ inches DBH. Tree preservation and replacement requirements apply during development per zoning and landscape code. Significant tree: 6+ inches DBH for conifers, 8+ inches DBH for deciduous. Landmark trees designated separately for exceptional size or historical significance.
Heritage / landmark trees Not documented Landmark trees designated for exceptional size, species, age, or community value.
Who can apply Property owner or authorized agent with arborist report Property owner or authorized agent with arborist report
Replacement ratio Based on retention percentage and site tree unit standard Based on retention percentage (typically 30-35% for residential)
Replacement details On-site replacement preferred; fee-in-lieu to tree fund when infeasible. On-site replacement required; fee-in-lieu when infeasible.
Typical processing time 4-6 weeks 4-8 weeks
Permit fee Not documented Not documented
Permitting department Community Development Development Services Department
Municipal code View ordinance → View ordinance →

How they differ

Which city has stricter heritage tree protections, Auburn or Issaquah?
Issaquah has a heritage tree program (Landmark trees designated for exceptional size, species, age, or community value.). Auburn does not document a heritage / landmark designation in its ordinance, so heritage protections are stricter in Issaquah.
Where is a tree removal permit processed faster, Auburn or Issaquah?
Auburn publishes a typical processing time of 4-6 weeks; Issaquah publishes 4-8 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, Auburn or Issaquah?
Auburn requires a replacement ratio of Based on retention percentage and site tree unit standard. Issaquah requires a replacement ratio of Based on retention percentage (typically 30-35% for residential). Auburn: On-site replacement preferred; fee-in-lieu to tree fund when infeasible. Issaquah: On-site replacement required; fee-in-lieu when infeasible.

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