Tree Management

The community of Sammamish has a goal of enhancing and promoting tree canopy coverage.

On this page you'll find both resources to assist with tree management, as well as permit forms for tree removal. For large projects, tree removals are reviewed and approved as part of a Site Development Permit. 


All Tree Removal requests must be submitted online at

Healthy Tree Removal Permit

Hazard Tree Removal

Unhealthy Tree Removal

Imminent Threat Tree

Example Site Plan - Healthy Tree Removal

Example Site Plan - Unhealthy Tree Removal


What to Expect After You Submit Your Application 

  • Your application will be screened for acceptance within 2 business days
  • If accepted, the application will be reviewed within 5 business days
  • If not accepted, you will receive an email with reasons why it was not accepted
  • Once the review is completed, the permit or approval letter will be uploaded on


Tree Removal Permitting Guide

Identifying Root Disease Brochure

Can Hazard Trees Be Removed from Critical Areas or Critical Area Buffers?

O2015-395 Tree Regulations Ordinance

Diameter Breast Height (DBH) Calculators

Calculate your tree's DBH (Diameter Breast Height)

Learn about how many trees may be removed