Tree Code Amendments

STATUS - The City Council adopted the amendments to KZC 95 on March 15, 2022 (O-4786(PDF, 3MB)) and the new regulations became effective on May 13, 2022. For more information on the new tree regulations, visit

NOTE - a Petition for Review of the adopted amendments has been filed by the Master Builders of King and Snohomish County and a number of other development interests with the Washington State Central Puget Sound Growth Management Hearings Board. The petition does not change the applicability of the adopted regulations at this time.

Petition Filed: May 18, 2022

Link to Petition: (see attached file(PDF, 133KB) )

Hearing on Merits of Petition: August 4, 2023, 10:00 AM 

Final Decision and Order: September 8, 2023



Tree protection ordinances are one of the ways cities balance urban growth with preserving a healthy, sustainable and livable community.

The scope of this code amendment project was to:

Meeting Information

View meeting packet information for Planning Commission (PC), Houghton Community Council (HCC), and /or the City Council by clicking on the appropriate tab below



City Council






Where are we in the process and how do I access the revised code?

The City Council adopted the revised regulations on March 15, 2022 (Ordinance O-4786(PDF, 3MB) ). The new regulations will go into effect on May 13, 2022.

What were some of the main issues?

Each short article below presents an issue involved with updating the tree code. These articles appeared in This Week in Kirkland, the City's weekly online newsletter as part of the public outreach related to the tree code amendment project.