🐛 The 5 Most Common Pests in Seattle
Cost estimates reflect Seattle area pricing. Actual quotes vary by company, home size, and infestation severity. Use our free cost estimator →
📅 Seattle Pest Season Calendar
Year-round moisture; carpenter ants major structural threat; rats peak fall/winter. Use this calendar to prepare treatments before each season peaks.
| Season | Active Pests in Seattle |
|---|---|
| Spring | Carpenter Ants, Slugs |
| Summer | Wasps, Ants |
| Fall | Rats moving in, Spiders |
| Winter | Rats, Silverfish |
💰 Pest Control Costs in Seattle
Seattle pest control pricing reflects the local oceanic / marine climate and Washington market rates. Prices below are for professional treatment — DIY typically costs 60–80% less.
| Pest | DIY Cost | Local Pro Estimate |
|---|---|---|
| Ants | $35–$150 | $90–$300 |
| Norway Rats | $95–$360 | $240–$720 |
| Silverfish | $35–$120 | $90–$240 |
| Slugs | $25–$105 | $70–$210 |
| Spiders | $45–$165 | $120–$330 |
Estimates are ranges. Always get 2–3 local quotes. Find licensed pros in Seattle →
🐛 Seattle's Top Pests — Full Guides
Click any pest for the complete identification guide, biology, and treatment plan.
🛒 DIY Treatment Guide for Seattle
The specific products and step-by-step guides for each of Seattle's common pests.
📋 Seasonal Pest Action Plan — Seattle
What to do each season to stay ahead of pest pressure in your area.