Washington coverage, county by county: 13 counties inside our metro areas, each with its own pest pressure profile and the metro guides that work there.
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Washington has 13 counties inside the metro areas this site covers — together about 22,860 square miles of the state, organised around the Seattle, Spokane, Kennewick, Olympia, Bremerton, Yakima metro areas. County pages exist because pest work is local at exactly this scale: licensing is by state, wildlife rules can vary locally, and a provider's actual service routes follow county and metro lines rather than state borders. Find your county below for its pest pressure profile and the metro guides that serve it.
The counties around a metro's core are often where the pressure is most interesting — newer subdivisions built into former farmland and woodland meet established pest populations at the edge, while the urban core deals with the pests of density. Each county page reads its own position in that pattern.
By land, the covered counties run from Yakima County (4,295 sq mi), Stevens County (2,477 sq mi), King County (2,116 sq mi) down to Kitsap County at about 395 square miles. The metros anchoring coverage are Seattle (metro population 4,161,883; 3 covered counties in Washington); Spokane (metro population 608,012; 2 covered counties in Washington); Kennewick (metro population 324,334; 2 covered counties in Washington); Olympia (metro population 304,261; 1 covered county in Washington); Bremerton (metro population 283,374; 1 covered county in Washington); Yakima (metro population 259,185; 1 covered county in Washington); Bellingham (metro population 236,392; 1 covered county in Washington). That is the arithmetic the county pages below work from: a county's size decides how spread out the addresses are, its metro decides the pest calendar, and neither number means much without the other.
The state's pest calendar is anchored by its largest metro, Seattle: about 35 inches of precipitation a year, an average temperature near 54°F, roughly 4 days at 90°F or above and 30 days at or below freezing. Every county in this index lives inside that weather pattern, adjusted by its own distance from the metro core.
The pest signature across Washington runs through pacific nw country, and the names that recur on county pages statewide are carpenter and moisture ants, carpenter ants, house mice. The largest covered county in the state is Yakima County at about 4,295 square miles, served through the Yakima metro. For metro-level guides, see the Washington state page.
The communities county residents actually name: Seattle (about 741,440 residents), Spokane (about 229,228 residents), Tacoma (about 220,482 residents), Bellevue (about 151,199 residents), Kent (about 135,015 residents), Everett (about 111,083 residents) top the list of covered communities here. Each belongs to a county on this page — open that county for the pest picture at community level.
Seattle — a metro of 4,161,883 across 3 counties, where the watch list runs carpenter and moisture ants, carpenter ants, house mice — the standing pattern where long wet winters and heavy moisture that drive ants, rodents and decay pests toward structures.
Spokane — about 608,012 residents across 2 counties. The local watch list: carpenter and moisture ants, carpenter ants and house mice, in a metro where long wet winters and heavy moisture that drive ants, rodents and decay pests toward structures.
Kennewick — about 324,334 residents across 2 counties. The local watch list: carpenter and moisture ants, carpenter ants and house mice, in a metro where long wet winters and heavy moisture that drive ants, rodents and decay pests toward structures.
Olympia — about 304,261 residents across 1 counties. The local watch list: carpenter and moisture ants, carpenter ants and house mice, in a metro where long wet winters and heavy moisture that drive ants, rodents and decay pests toward structures.
Bremerton — about 283,374 residents across 1 counties. The local watch list: carpenter and moisture ants, carpenter ants and house mice, in a metro where long wet winters and heavy moisture that drive ants, rodents and decay pests toward structures.
Yakima — a metro of 259,185 across 1 counties, where the watch list runs carpenter and moisture ants, carpenter ants, house mice — the standing pattern where long wet winters and heavy moisture that drive ants, rodents and decay pests toward structures.
Bellingham — 236,392 residents, 1 counties. First on its watch list: carpenter and moisture ants, then carpenter ants and house mice — the pattern of a metro where long wet winters and heavy moisture that drive ants, rodents and decay pests toward structures.
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