Is Cascade Pest Control legit?
As of October 13, 2026, Cascade Pest Control holds a current company pesticide license in Washington. Its BBB profile shows an A+ grade and 0 complaints in the last three years. No resolved government actions count against it in our scoring. Its Handshake Score is 7.3 out of 10, #11 in Pacific Northwest pest control.
Licenses
Company pesticide licenses in each Pacific Northwest state where it has a location, with the status the issuing agency showed on the date retrieved.
Washington
Washington State Department of Agriculture (WSDA) - pesticide licensing: Commercial Applicator company record2
Status: Renewed · Number 8577 (designated Commercial Applicator: Kevin Robin Peterson) · Expires 12/31/2026
Idaho
Idaho licenses individual pesticide applicators, not companies, so there is no company license to look up.
Cost it points
Advertised license number doesn’t check out: Website footer ‘Pest Control License #88604’ is owner Kurt Treftz’s individual license; WSDA shows its Commercial Applicator status Invalid (‘not a designated Commercial Applicator for any company’). The company’s designated CA is #857730
Counted in the score: −1
Better Business Bureau record
Its BBB profile shows an A+ grade and 0 complaints in the last three years.
Not BBB accredited.6
What customers say
Ratings and counts as each site showed them on the date retrieved.
Google
3,280 reviews across 10 Pacific Northwest listings, averaging 4.9 out of 5 (weighted by review count).15, 16, 17, 18, 19, 20
Yelp
3.6 out of 5 from 110 reviews (Seattle, Washington).29
Retrieved October 14, 2026
Review excerpts and the themes customers raise are on the company’s review page.
Legal and regulatory record
Only resolved government actions count toward the score. Pending lawsuits, private suits and allegations are listed as such; they are allegations, not findings.
No lawsuits, settlements or enforcement actions are on file.
Two other records (complaint summaries and permits) are on its review page.
Does it sell door to door?
Not found: the research didn’t establish door-to-door selling. It isn’t proof that the company never knocks.
How it ranks
#11 in Pacific Northwest pest control
Handshake Score 7.3 out of 10, Medium confidence.
Strongest: legal and regulatory record (10.0/10). Weakest: customer satisfaction (7.9/10).
Sources
The sources cited on this page, numbered as in the full list on the Cascade Pest Control review. Dates are when our researchers retrieved each page.
- 2.agr.wa.govCompany facts · Retrieved October 11, 2026
- 6.bbb.orgCompany facts · Retrieved October 11, 2026
- 15.Google — Snohomish, Washington (1430 Bickford Ave; HQ)google.com · Customer reviews · Retrieved October 11, 2026
- 16.Google — Seattle, Washington (1420 5th Ave)google.com · Customer reviews · Retrieved October 11, 2026
- 17.Google — Washington service-area listing (no address; map pin Woodinville area; phone (425) 312-2244)google.com · Customer reviews · Retrieved October 11, 2026
- 18.Google — Bellevue, Washington (2018 156th Ave NE Bldg F Suite 136)google.com · Customer reviews · Retrieved October 11, 2026
- 19.Google — Boise, Idaho (2911 N Grandee St)google.com · Customer reviews · Retrieved October 11, 2026
- 20.Google — Anacortes, Washington (3888 A Seabreeze Ln)google.com · Customer reviews · Retrieved October 11, 2026
- 29.Yelp — Seattle, Washingtonyelp.com · Customer reviews · Retrieved October 14, 2026
- 30.WSDA - pesticide licensingagr.wa.gov · Licensing and registrations · Retrieved October 11, 2026