Boulton Insulation Co Inc
Licensed general contractor in Tacoma, Washington
Boulton Insulation Co Inc holds Washington L&I licence BOULTI*304B6, active, licensed since 6 Jan 1970, rated 4.7 from 59 Google reviews. Bonded for $30,000 with Contractors Bonding & Insurance Co. No complaints on the Washington L&I record.
Report card
- Licence activeWashington L&I #BOULTI*304B6, General. Issued 6 Jan 1970, expires 15 Jul 2027.
- Licensed 57 yrsSince 6 Jan 1970.
- Bonded$30,000 with Contractors Bonding & Insurance Co, since 15 Jul 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 insuredCincinnati Ins Co, $1,000,000, valid to 25 Jun 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
4.7(59 reviews)Perry Spring★★★★★ 6 years agoView on Google
Very pleased with the whole house insulation upgrade for my older home. From the initial proposal through to the billing, I I worked with work a courteous and conscious staff. Project included sealing ducts, new floor insulation, attic upgrade, and blown-in wall insulation. Especially appreciate Boulton 1) fantastic cleanup of crawlspace-basement including WMP finish surface, and 2) drilling holes for wall cavity f…
Doug West★★★★★ a year agoView on Google
I have used Boulton now for two jobs and have been very happy with the results. High quality work at reasonable prices.
Art Weitz★★★★★ a month agoView on Google
Boulton did the insulation in our attic and did a great job! Awesome team and we really appreciate the job!
Mary Bruemmer★★★★★ 2 years agoView on Google
I am so lucky I found this company by word of mouth when I was in Lowe's. I had been looking for someone to put down a new vapor barrier on the old home I purchased. The guys did a fantastic job cleaning out the old broken down barrier and putting in the new one as well as insulation. The price was very reasonable . I would highly recommend this company
Gary Hauser★★★★★ 5 years agoView on Google
We used Boulton Insulation in Tacoma to remove and replace insulation in our attic. The company is very responsive and estimator Jon did the inspection within a few days after we called. He sent us the estimate in less than week and promptly returned our calls when we had questions. Scheduling the work was easy and Alex and John answered all of our questions. The crew was on time and professional. They did a good job…
Read all 59 reviews on Google Reviews and photos from Google, 4 Nov 2026.
Why it ranks #4 of 806 general contractors in Tacoma
Score 93 / 100. Claiming this listing or using Theo never changes it. How we rank
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