COVID-19 Update: Most City facilities opened in August 2021 for public in-person services. Community members are encouraged to use remote options to access City services. More information can be found throughout the website and by visiting this page:
Kirkland upholds Washington State’s noxious weed control law (Chapter 17.10 RWC), administered by the King County Noxious Weed Control Board. 'Noxious weeds' are non-native plants that, once established, are highly destructive, competitive and difficult to control. They have economic and ecological impacts and are very difficult to manage once they get established. Some are toxic or pose a threat to human and animal health, while others destroy native and beneficial plant communities. They are classified by the severity of their impact and appropriate control:
Of concern are a group of weeds listed by King County as ‘non-regulated’ and ‘weeds of concern’. Although they're not regulated by the state and county, these weed species impact and degrade native plant and animal habitat in open spaces and parks. To help attain the goals of the 20-Year Forest and Vegetation Restoration Plan, support the Urban Forest Management Plan, and support Green Kirkland Partnership efforts, the following weeds are prohibited to plant on private property in Kirkland, and are recommended for removal:
The removal of prohibited plant species (including significant trees) is allowed without a obtaining a permit except in sensitive areas such as wetland/stream buffers or landslide areas. Talk to a planner for more information about tree removal permits and sensitive areas.
The following plants that, while not prohibited, are discouraged to be planted on private property in Kirkland due to similar impacts to native forest areas:
Planning & Building Department
Questions or comments regarding an ongoing project should be emailed directly to the planner assigned to that project.
General zoning or permit process questions can be submitted through the Our Kirkland service request portal.
Guide to Arborist Reports
Kirkland's Tree Code
COVID-19 Coronavirus Information
Multifamily Christmas Tree Collection Map
View more details about our current operations
Kirkland Parks Play it Safe Website