Landscaping Rules in Renton, WA (2026)
8 verified landscaping rules for Renton, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Grass Height Limits
Renton limits grass, weeds, and uncultivated vegetation to 12 inches under RMC 1-3-3 nuisance provisions. Overgrown yards are abated by the city at owner expense when notice is ignored.
Renton Grass and Weed Height Limits
Some RestrictionsTree Trimming
Renton permits routine private tree pruning without a permit under RMC 4-4-130. Trees in critical areas, shorelines, and rights-of-way need approval. Significant trees on new development are protected.
Renton Tree Trimming Rules
Some RestrictionsTree Removal & Heritage Trees
Renton requires a permit to remove significant trees (6-inch DBH or larger) under RMC 4-4-130. Tree retention minimums apply on new development. Critical area trees have stricter protections.
Renton Tree Removal Permits
Heavy RestrictionsWeed Ordinances
Renton property owners must control state-listed and King County noxious weeds under RCW 17.10 and the King County Noxious Weed Control Program. Overgrown weeds are also abated as nuisances under RMC 1-3-3.
Renton Noxious Weed Rules
Some RestrictionsWater Restrictions
Renton water customers follow regional conservation guidance tied to Seattle Public Utilities sources and WA Ecology drought declarations. No year-round watering ban; voluntary summer conservation is requested.
Renton Water Restrictions
Few RestrictionsRainwater Harvesting
Washington allows rooftop rainwater harvesting without a water right per Ecology policy (POL-1017). Renton encourages collection for irrigation. Cisterns over 5,000 gallons require building permits.
Renton Rainwater Harvesting Rules
Few RestrictionsNative Plants
Renton encourages native plantings through RMC 4-4-070 landscape rules. Critical areas under RMC 4-3-050 require native plant restoration. Native gardens are exempt from the 12-inch grass height rule.
Renton Native Plant Landscaping
Few RestrictionsArtificial Turf
Artificial turf is allowed on Renton residential lots but counts as impervious surface under RMC 4-6-030. HOAs may restrict. Critical areas and front yard landscape minimums still apply.
Renton Artificial Turf Rules
Some RestrictionsLooking for King County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Renton city rules.
Landscaping Rules in King County →