Joseph J Jefferson/son Inc
Licensed general contractor in Seattle, Washington
Joseph J Jefferson/son Inc holds Washington L&I licence JOSEPJJ252M4, active, licensed since 24 Jul 1975, rated 4.0 from 12 Google reviews. Bonded for $30,000 with Hartford Fire Ins Co. No complaints on the Washington L&I record.
Report card
- Licence activeWashington L&I #JOSEPJJ252M4, General. Issued 24 Jul 1975, expires 16 Jun 2027.
- Licensed 51 yrsSince 24 Jul 1975.
- Bonded$30,000 with Hartford Fire Ins Co, since 16 Jun 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 insuredConvex Insurance Uk Limited, $1,000,000, valid to 7 May 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
4.0(12 reviews)Jeff Bond★★★★★ 7 months agoView on Google
Our home needed window replacement in multiples by Anderson window co. Due to our home exterior construction with EFIS we needed a contractor specializing in professional repair. They recommended Joseph and Jefferson and son Inc. They assembled scaffolding and performed cut outs surrounding the windows allowing installation of new windows from the old vinyl and then returned for a weeks worth of repair and finish EFI…
Bruce Heskett★★★★★ 2 years agoView on Google
Great work, great company, great people! Thank you for a wonderful job on our patio & planters. The crew arrived promptly, kept the site tidy, and were very pleasant to interact with. They were also great about providing tips about care & maintenance.
Jeff Dossett★★★★★ 8 years agoView on Google
The team from JJ Jefferson & Sons Inc did outstanding plastering work in our home! We are very pleased with their work quality, timeliness, site management, cleanliness, and client communications throughout our project. We highly recommend JJ Jefferson & Sons!
James Roffey★★★★★ a year agoView on Google
Julian was great, he was very respectful and prompt. He also showed up in the work van early and waited until 8 AM. After the painting was completed, one can see the repaired area, but I suppose that's not uncommon with older homes. All in all, a good experience.
Joshua Huels★★★★★ 3 months agoView on Google
The price was reasonable and the workers did good work. I'm leaving a bad review due to some issues I had post-job. Some cracking formed where the stucco is thinner than other spots. I notified Scott of the issue and he said he'd be right out. He never stopped by so I called him. He remembered my name, which was nice, and said he was busy the previous week, and he would get to it this week. Another week passed …
Read all 12 reviews on Google Reviews and photos from Google, 4 Nov 2026.
Why it ranks #101 of 2,055 general contractors in Seattle
Score 82.5 / 100. Claiming this listing or using Theo never changes it. How we rank
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