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Urban Forestry
Arborist Unit
Landscape Architect Unit
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Street Tree Management Plan
206-684-TREE (8733)
Street Tree Planting Procedures
Urban Forestry Permits
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Tree Pruning Guide
Seasonal Tree Care
Utility/Tree Inspections
Heritage Tree Program
Seattle Tree Inventory
Urban Forestry Class and Resources

Landscape Architecture

Intensive Care of Giant Sequoia Continues

Meet the City's Landscape Architect Shane DeWald and learn about the work she and her colleagues are doing to make Seattle a greener, more livable community.

Click here for more information!

The Landscape Architect Unit  provides Landscape Architectural design, design review & construction inspection services for City of Seattle Capital Improvement Projects and Department of Planning and Development private development projects to ensure tree preservation and code compliant landscape architectural improvements in the ROW.


Shane DeWald, Senior Landscape Architect

Bill Ames, Forester and ISA Certified Arborist

Ben Roberts, Forester and ISA Certified Arborist

Share your compliments or air your concerns via email.

New Development & Trees

treeThe City of Seattle recognizes the importance of the preservation and stewardship of the trees and landscapes that make us the "Emerald City.

The Seattle Department of Transportation Landscape Architect Unit coordinates with DPD during the Early Design Guidance review for new projects. We identify exceptional trees and begin early discussions with DPD, developers and the community regarding tree preservation and tree selection. Property that is to be developed will have a DPD notice posted providing information about the project and who to contact with your questions and comments. If your question relates to trees on a property that is to be developed, contact the Seattle Department of Transportation Landscape Architect Unit.

Shane DeWald, 206-684-5041

Bill Ames, 206-684-5693

Ben Roberts, 206-233-8735

Capital Improvement Projects

The Landscape Architect Unit provides design, design review and construction inspection for the SDOT Capital Improvement and SPU Natural Drainage Programs.  Projects including extensions of the Burke Gilman Trail from the Locks to Golden Gardens, Arterial Transit Improvements and Natural Drainage Projects in neighborhoods including Broadview, Pinehurst and Ballard.

Shane DeWald, 206-684-5041

Ben Roberts, 206-233-8735

Trees adjacent to construction sites that are posted with green Protect Tree signs are designated for protection and are routinely inspected by the Seattle Transportation Landscape Architect's Office. Contact Bill Ames for more information, or to discuss concerns regarding a specific project, at 206-684-TREE (8733).


Tree Removal Approval Process

When trees must be removed for construction of new projects, the City of Seattle require public notification. If you see a notice and want to comment on a project, check tree placards for appropriate contact information. Click on the link for information on the various kinds of signs that you might see and how you can best communicate your concerns. Follow the link to DPD for information on new tree protection regulations. DPD provides incentives for developers to work with community members through Design Review meetings where the public can speak to the importance of tree preservation landscape elements, and building design issues.

Right-of-Way Manual

Tree Protection Ordinance

Tree Protection Resolution

Heritage Tree Program

Recommended Street Tree List

Standard Plans Dripline

Contact: Shane De Wald, Landscape Architect, 206-684-TREE (8733), or via e-mail.

For more information about Landscape Services and Seattle Tree Programs, call 206-684-TREE (8733).

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