Windorco Supply Inc
Licensed window and glass contractor in Seattle, Washington
Windorco Supply Inc holds Washington L&I licence WINDOS*284KU, active, licensed since 31 May 1972, rated 5.0 from 192 Google reviews. Bonded for $15,000 with Lexon Ins Co. No complaints on the Washington L&I record.
Report card
- Licence activeWashington L&I #WINDOS*284KU, Glazing/Glass. Issued 31 May 1972, expires 12 Jun 2028.
- Licensed 54 yrsSince 31 May 1972.
- Bonded$15,000 with Lexon Ins Co, since 1 Jul 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.
- Liability insuredMesa Underwriters Specialty in, $1,000,000, valid to 11 Aug 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
5.0(192 reviews)Taunia Penrose★★★★★ 6 months agoView on Google
We needed to replace the top portion of a garden window in a 4th floor condo unit. After calling around Windorco was one of the few able to perform the service and replied to my VM in a timely manner. From the first visit to the final installation Jeff and his team were professional, timely, and the pricing was competitive. I would definitely use their services again.
Cortney Engleman★★★★★ 6 months agoView on Google
Jeff and the team were great. We had 3 bids and theirs was by far the best price and met our needs. We had six windows replaced and two made slightly shorter to allow for a countertop to be put in the kitchen without covering the windows. Definitely recommend
Mark Tonelli★★★★★ 3 months agoView on Google
Needed replacement of two partially-leaded glass windows for a nearly century old brick Tudor. Jeff, Joe and the team at Windorco did an outstanding job crafting and installing the windows which beautifully maintain the style and charm of the home. Service was personal and they even brought the frames by so that I could paint and stain them before they were finished and installed. Sure I will be using them again. Hig…
Morgan Nagy★★★★★ a month agoView on Google
Had a great experience with Windorco replacing single pane windows for our entire home. The team was helpful, well informed, very considerate during installation, and everything was on time. Would definitely do business with them again.
Sonja Nelson★★★★★ a year agoView on Google
We LOVE Windorco Supply Inc. We’ve used them 2x, first for a total window replacement in our “new to us” 1922 home. Our huge bay windows came out beautifully, as did the rest of the windows. We just had them back out to update 2 windows that we wanted a new design on. Windorco is thorough with excellent customer service and very competitive pricing. We originally had 3 bids, all within $2-3k of each other and Win…
Read all 192 reviews on Google Reviews and photos from Google, 4 Nov 2026.
Why it ranks #1 of 14 window and glass contractors in Seattle
Score 99.1 / 100. Claiming this listing or using Theo never changes it. How we rank
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