Property Maintenance in Sammamish, WA (2026)
5 verified property maintenance rules for Sammamish, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Trash Bin Storage
Under SMC 16.25.225, Sammamish requires every dwelling to have an approved leakproof, covered outside garbage container, and rubbish must be kept in approved covered containers. Property must be free from any accumulation of rubbish or garbage. Discarded refrigerators and similar appliances are defined as an attractive nuisance and may not be stored outside.
Sammamish Trash & Garbage Container Standards
Some RestrictionsProperty Blight
Sammamish controls blighted property through its Building and Property Maintenance Code (SMC Chapter 16.25) and the civil code compliance system in SMC Title 23. Exterior property must be kept clean, safe and sanitary, vacant land must not cause a blighting problem, and all code violations are declared public nuisances under SMC 23.30.010.
Sammamish Property Blight & Nuisance
Some RestrictionsVacant Lot Maintenance
Sammamish requires vacant land and vacant structures to be kept clean, safe, secure and sanitary under SMC 16.25.195(3), so they do not cause a blighting problem. Premises must be graded to prevent stagnant water (SMC 16.25.200(2)). The City may order a vacant, unfit structure closed and placarded under SMC 16.25.155.
Sammamish Vacant Lot & Vacant Structure Maintenance
Some RestrictionsGarage Sale Rules
Garage sales are explicitly allowed in Sammamish without a business license. SMC 5.05.030(4)(c) exempts 'casual and isolated sales, including garage sales conducted on residential premises,' provided no more than four such sales are held per calendar year. No permit fee or city license is required for a compliant residential garage sale.
Sammamish Garage Sale Rules
Few RestrictionsWeeds & Overgrown Grass
Sammamish's Building and Property Maintenance Code (SMC 16.25.200) requires exterior property to be kept clean, safe and sanitary, but it does NOT set a numeric grass or weed height limit. There is no specific 'mow your lawn' inch threshold in the SMC. King County noxious weeds are regulated separately under state law (Chapter 17.10 RCW).
Sammamish Weeds, Grass & Overgrown Vegetation
Few RestrictionsLooking for King County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Sammamish city rules.
Property Maintenance in King County →