Landscaping Rules in Kent, WA (2026)
8 verified landscaping rules for Kent, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Grass Height Limits
Kent City Code Title 8 nuisance provisions require property owners to keep grass and weeds from growing into a fire or pest nuisance. Typical enforcement occurs when grass exceeds about 12 inches or harbors vermin.
Grass Height Rules in Kent
Some RestrictionsTree Trimming
Kent residents may trim private trees for routine maintenance without a permit. Street trees and trees in Critical Areas require city approval under Kent City Code Title 15 before significant work.
Tree Trimming in Kent
Some RestrictionsTree Removal & Heritage Trees
Kent requires a tree removal permit under Chapter 15.08 for significant trees, Critical Area trees, and trees on undeveloped lots. Hazard and small trees on developed lots are usually exempt.
Tree Removal in Kent
Heavy RestrictionsWeed Ordinances
Kent treats overgrown and noxious weeds as public nuisances under Title 8. Owners must control King County listed noxious weeds and keep yards from becoming fire or rodent hazards.
Weed Ordinances in Kent
Some RestrictionsWater Restrictions
Kent runs its own water utility and buys wholesale for parts of the city. No permanent watering-day limits apply, but voluntary summer conservation and drought-stage restrictions can take effect.
Water Restrictions in Kent
Few RestrictionsRainwater Harvesting
Rooftop rainwater harvesting is legal in Washington without a water right, and Kent encourages it. Larger cisterns and indoor connections need building, plumbing, and backflow review.
Rainwater Harvesting in Kent
Few RestrictionsNative Plants
Kent encourages native-plant landscaping through the Green Kent program and stormwater code. Residents may convert lawns to native gardens provided noxious weeds are removed and Critical Area rules apply.
Native Plants in Kent
Few RestrictionsArtificial Turf
Artificial turf is allowed on Kent single-family lots but usually counts as impervious surface for stormwater. Large installs may require drainage review under Title 7 and Critical Areas rules.
Artificial Turf in Kent
Some RestrictionsLooking for King County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Kent city rules.
Landscaping Rules in King County →