Landscaping Rules in Spokane, WA (2026)
8 verified landscaping rules for Spokane, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Grass Height Limits
Spokane Municipal Code 10.08.020 prohibits grass and weeds exceeding 10 inches on improved properties. Code enforcement issues abatement notices and can mow at owner expense plus administrative fees.
Landscaping: Grass Height
Some RestrictionsTree Trimming
Property owners may trim their own trees in Spokane without a permit. Trimming into public right-of-way requires coordination with Spokane Urban Forestry. Overhanging branches into neighboring property may be trimmed to the property line.
Landscaping: Tree Trimming
Few RestrictionsTree Removal & Heritage Trees
Removing trees on private residential property in Spokane generally does not require a permit, but heritage trees, street trees, and trees in critical areas are protected. Permits required in landslide, wetland, and riparian zones.
Landscaping: Tree Removal
Some RestrictionsWeed Ordinances
Spokane property owners must control noxious weeds listed by the Spokane County Noxious Weed Control Board under RCW 17.10. Class A and B designate weeds require eradication. Complaints enforced by county and city code.
Landscaping: Weed Ordinances
Heavy RestrictionsWater Restrictions
Spokane uses the Spokane Valley-Rathdrum Prairie Aquifer. Water conservation program encourages odd-even watering, avoiding midday irrigation, and efficient systems. Mandatory restrictions activated during drought.
Landscaping: Water Restrictions
Some RestrictionsRainwater Harvesting
Rainwater harvesting from rooftops is legal and encouraged in Washington under a 2009 Ecology policy. Spokane residents may collect rooftop runoff without a water right for non-potable use.
Landscaping: Rainwater Harvesting
Few RestrictionsNative Plants
Spokane encourages native plant landscaping through SpokaneScape rebates and technical assistance. Native-plant yards are exempt from typical lawn appearance expectations if registered.
Landscaping: Native Plants
Few RestrictionsArtificial Turf
Artificial turf is allowed in Spokane for residential landscaping with no specific prohibition. Stormwater requirements apply for large installations. HOAs may have additional rules.
Landscaping: Artificial Turf
Few RestrictionsLooking for Spokane County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Spokane city rules.
Landscaping Rules in Spokane County →