Thermoroom LLC
Licensed general contractor in Seattle, Washington
Thermoroom LLC holds Washington L&I licence THERML*774J5, active, licensed since 28 Apr 2023, rated 5.0 from 6 Google reviews. Bonded for $30,000 with Lexon Ins Co. No complaints on the Washington L&I record.
Report card
- Licence activeWashington L&I #THERML*774J5, General. Issued 28 Apr 2023, expires 28 Apr 2027.
- Licensed 4 yrsSince 28 Apr 2023.
- Bonded$30,000 with Lexon Ins Co, since 31 Oct 2024. 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.
- No complaintsNone on the Washington L&I record.Washington L&I record
- Washington Commerce Lead-Safe certifiedFirm R24-0484, valid to 9 Dec 2029. Required for work disturbing paint in pre-1978 homes.
- BBB 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
5.0(6 reviews)Leo Li★★★★★ 4 weeks agoView on Google
Johnny and the team did a great job with window replacement. Their communication was clear, prompt, and professional throughout the entire process. They did an excellent job from start to finish. During the installation, they also discovered that the windowsill had some rot, so they replaced it properly rather than simply covering up the problem. They replaced all the trims and did a thorough job with the caulking a…
Britney D.★★★★★ 2 months agoView on Google
It was nice to work with a company that had amazing customer service. The guys are so nice and they did great work. I love my new front door. I would highly recommend them.
Omer Guroglu★★★★★ 2 months agoView on Google
Amazing service, speedy and accurate work. Recommend Thermoroom to anyone that needs to get their work done
Ana Cosette Olivas★★★★★ in the last weekView on Google
I cannot express how incredibly professional they were. From the very beginning, they were punctual, answered all my questions, and ultimately delivered fast, very clean, and amazing work.
Lindsay Castle★★★★★ a month agoView on Google
Where to even begin?? These guys are a bright spot in the world of remodeling. Kind, amazing attention to detail and reliable! We ordered a custom front door (that is another whole story) and had issue upon issue with the door and installation. Johnny and his team were amazing to work with and provided clear communication during every step, working with us until the door was installed perfectly. Cannot recommend th…
Read all 6 reviews on Google Reviews and photos from Google, 4 Nov 2026.
Why it ranks #513 of 2,055 general contractors in Seattle
Score 64.3 / 100. Claiming this listing or using Theo never changes it. How we rank
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