Tree Protection in Issaquah, WA (2026)
2 verified tree protection rules for Issaquah, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Heritage & Protected Trees
Issaquah's Land Use Code § 18.812.120 makes the Park Board responsible for a process to designate heritage trees, trees of special importance because of age, size, ecological value, or historical association. Removing a heritage tree is prohibited regardless of size, except as provided in the tree removal permit section, 18.812.050.
Issaquah Heritage Tree Designation and Removal Ban
Heavy RestrictionsIssaquah Land Use Code § 18.812.120
A. The Park Board is responsible for establishing a process to designate a tree as a heritage tree because of its age, size, ecological value, or historical association is of special importance to the City. The administration of the heritage tree program must include publicly available tracking, including removal, of all heritage trees within the City. ... B. Removal of a heritage tree is pro...
Parkway Planting
Issaquah requires street trees on every project application that must provide frontage improvements in the right-of-way. Deciduous street trees must be at least two-inch caliper and conifers seven feet tall at planting, limbed up five feet, with a planting strip of at least five feet between sidewalk and curb unless otherwise permitted.
Issaquah Street Tree and Planting Strip Standards
Some RestrictionsIssaquah Land Use Code § 18.606.170(H), (J)
H. All pedestrian facilities must be buffered with trees and shrubs, appropriate in size, scale, planter type, and character to the type of facility or subarea. Landscape adjacent to parking must be hardy and easily traversable such as with pavers to guide pedestrians. Unless otherwise permitted, the width of the planting strip must be a minimum of five feet between the sidewalk and the back of...
Looking for King County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Issaquah city rules.
Tree Protection in King County →