Landscaping Rules in Redmond, WA (2026)
8 verified landscaping rules for Redmond, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Grass Height Limits
Redmond has no specific grass height ordinance, but RMC 8.24 nuisance provisions address overgrown vegetation that harbors vermin or creates fire hazards; most residents maintain lawns voluntarily.
Redmond Grass Height Rules
Few RestrictionsTree Trimming
Routine pruning of private trees under 25 percent of canopy is allowed without a permit in Redmond, but significant trees and trees in critical areas require review under RMC 21.72 Tree Protection.
Redmond Tree Trimming Rules
Some RestrictionsTree Removal & Heritage Trees
Redmond requires a Tree Removal Permit under RMC 21.72 for any significant tree (generally 6 inch DBH), with replacement plantings required and strict protections for trees in critical areas and native growth easements.
Redmond Tree Removal Rules
Heavy RestrictionsWeed Ordinances
Redmond follows the King County Noxious Weed List under RCW 17.10 which requires control of Class A and designated Class B noxious weeds such as tansy ragwort, giant hogweed, and knotweed.
Redmond Weed Ordinances
Some RestrictionsWater Restrictions
Redmond water customers follow Seattle Public Utilities/Cascade Water Alliance voluntary conservation stages; summer outdoor watering is limited to specific days and morning/evening hours under drought advisories.
Redmond Water Restrictions
Some RestrictionsRainwater Harvesting
Rainwater collection is legal and encouraged in Redmond per Washington Department of Ecology 2009 guidance; systems for non-potable outdoor use require no permit, while plumbed indoor uses require building permits.
Redmond Rainwater Harvesting Rules
Few RestrictionsNative Plants
Redmond strongly encourages native plantings through its Green Redmond Partnership and requires native species in critical area mitigation plantings under RMC 21.64 and 21.72.
Redmond Native Plant Rules
Few RestrictionsArtificial Turf
Artificial turf is allowed in Redmond residential yards with no specific permit, but installations over 500 square feet may affect stormwater calculations and turf is discouraged in critical area buffers.
Redmond Artificial Turf Rules
Some RestrictionsLooking for King County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Redmond city rules.
Landscaping Rules in King County →