Seattle Boiler Works Inc

Licensed general contractor in Seattle, Washington

Washington L&I licence active4.9(14 reviews)

Seattle Boiler Works Inc holds Washington L&I licence SEATTBW371N0, active, licensed since 20 Aug 1963, rated 4.9 from 14 Google reviews. Bonded for $30,000 with Safeco Ins Co of America. No complaints on the Washington L&I record.

92score

Report card

  • Licence activeWashington L&I #SEATTBW371N0, General. Issued 20 Aug 1963, expires 3 Jan 2027.
  • Licensed 63 yrsSince 20 Aug 1963.
  • Bonded$30,000 with Safeco Ins Co of America, since 1 Jan 2025. Washington sets the bond by licence type ($30,000 for a general contractor, $15,000 for a specialty contractor, $4,000 for an electrical contractor), so the amount shows the kind of licence, not the size or quality of the business.
  • Liability insuredHanover Insurance Company, the, $1,000,000, valid to 15 Mar 2027.
  • No complaintsNone on the Washington L&I record.Washington L&I record
  • On the BBB, not accreditedIts BBB rating, complaints and reviews are on its Better Business Bureau profile.BBB profile Complaints Reviews

Checked against the Washington State Department of Labor & Industries (L&I) register on 4 Nov 2026.

Google reviews

4.9(14 reviews)
Michael Johnston★★★★★ 5 years agoView on Google

Great company, very knowledgeable people!

Jonathan Kipper★★★★★ a year agoView on Google

Seattle Boiler Works (SBW) is a company that’s been around for over 135 years, and let me tell you: they know what they are doing. They’re excellent at manufacturing and designing everything they build, they delve right upfront into details and address things most wouldn’t even have considered until after the fact (and after becoming problematic), and they always succeed at satisfying their customers. Their solid rep…

Matthew Wentz★★★★★ 7 years agoView on Google

Matthew wentz has the best customer service & is the best in the business

faded206★★★★★ 6 years agoView on Google

Staff here are friendly and knowledgeable

Matthew Wentz (Matthew&ErinWentz)★★★★★ 6 years agoView on Google

Great company 👍

Read all 14 reviews on Google Reviews and photos from Google, 4 Nov 2026.

Why it ranks #2009 of 2,055 general contractors in Seattle

Years licensed weight 30100%
Complaint record weight 25100%
Bond weight 10100%
Google reviews weight 3576%

Score 91.7 / 100. Claiming this listing or using Theo never changes it. How we rank

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