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Local termite information

Termite control in Washington

Learn what to look for around your property, explore your city, and ask about an inspection or a quote.

Termites in Washington: what to know

Around Washington

Conditions vary across the state. Choose your city below, then describe what’s happening around your home or business.

What to note

Where you see termites, how long it has been going on, and anything you’ve already tried are the most useful details to mention.

A useful next step

Ask about an inspection, what treatment would involve, and whether follow-up visits are included. You don’t need to identify the problem yourself before getting in touch.

Local research

Termites in Washington: what the public record shows

Before you compare quotes, it helps to know which termites actually live in Washington, when they are busiest, and what the state figures look like. Everything below links to the agency or university page it came from.

Termite species recorded in Washington

  • Western subterranean termite (Reticulitermes hesperus) — Oregon State: causes damage to structures in the Pacific Northwest and 'may swarm any time of year'. Utah State describes swarmers 3/8 inch long and workers 1/4–3/8 inch, pale c…
  • Pacific dampwood termite (Zootermopsis angusticollis) — Oregon State: 'consumes and nests inside moist, water-damaged wood'; swarms 'during late summer or fall'. A moisture problem, not a soil problem, is the usual root cause.

When termites are busiest in Washington

Pacific dampwood swarms late summer or fall; western subterranean may swarm any time of year (Oregon State).

WSU mapping project: subterranean termites 'predominantly found in loamy soils rather than clay or rocky soils', with area maps for Kitsap County, Olympia, Seattle, Tacoma, Spokane, Tri-Cities and Yakima. Dampwood termites indicate a moisture/rot problem.

For context, nationally

Sources: University of Georgia Extension; University of Missouri Extension; Termites | Solve Pest Problems. Figures are quoted as the source prints them. How we check our sources

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