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The City of Seattle recognizes the importance of the preservation and stewardship of the trees and landscapes that make us the “Emerald City.” The SDOT Landscape Architect’s Office works with developers, project managers and community representatives to ensure that trees that can be preserved are properly protected during development. 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.
Utility and Tree Inspections are not associated with new construction. Utility inspections ensure that Seattle’s trees are protected both above ground (tree’s canopy) and below ground (root zones) when the installation of utility lines runs in close proximity to right-of-way trees. Inspection of proposed routes by a Certified Arborist are conducted and all trees that may be affected are inventoried. Permits for utilities are issued, with a copy of the Arborist’s office evaluation. An inspector will be on site when trenching and or overhead line clearance is required within a tree’s dripline.
Source: Seattle Department of Transportation
Francisco Uviña, University of New Mexico
Hardscape Oasis in Litchfield Park
Ash Nochian, Ph.D. Landscape Architect
November 12th, 2025
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