Since 2007, K Single Corp has been protecting homes and businesses across the Greater Seattle Area. Over 15,000 projects completed with a reputation built on transparency, quality, and standing behind our work.
K Single Corp was founded in 2007 with a straightforward mission: deliver honest, high-quality roofing and exterior services to homeowners across the Puget Sound region. What started as a small crew working on residential roofs in Burien has grown into one of the most trusted contractors in the Greater Seattle Area, serving King County, Snohomish County, and Pierce County.
Over the past 25+ years, we've completed more than 15,000 projects, from emergency storm repairs to full commercial roof installations. Every project gets the same attention to detail, the same premium materials, and the same 10-year workmanship warranty.
We're headquartered at 14996 21st Ave SW in Burien, WA, and our crews work across the region daily. We're licensed (WA #KSINGSC842B3), bonded, fully insured, and certified by the leading roofing material manufacturers including Malarkey, CertainTeed, and GAF.
There are a lot of roofing contractors in the Seattle area. Here's why homeowners consistently choose K Single Corp, and come back for future projects:
From first call to final walkthrough. Here's how we work.
We inspect your roof, discuss your needs, and provide a detailed, no-obligation estimate, typically within 48 hours.
You receive a clear, itemized quote with material options, timeline, and warranty details. No hidden costs.
Our experienced crew handles your project with care: quality materials, clean worksite, and daily progress updates.
We walk the completed project with you, ensure everything meets our standards, and activate your 10-year workmanship warranty.
Rated 4.7 stars from 171 reviews on Google
"Isidro and his crew were fantastic. They showed up on time, worked crazy hard and long hours, cleaned up spotlessly and did flawless work. I'd absolutely hire them again when projects arise."
Darren
"They did my metal roof a few years ago. Great job! When trees came down in that big wind, some roof damage. They were right there and again, great job! Strongly recommend!"
Jean K.
"K Single Corp Roofing just completed a roofing replacement project at my house and did a great job. No extra charges, work was quality, and area was clean when they were complete. Thank you."
John M.
"I've used K Single multiple times for different jobs. Joel is easy to work with and the crews do very nice work, going above and beyond with keeping the worksite clean."
Henry C.
"They did a wonderful job reroofing my house and cleaned up so well it was like they'd never been there. The roof looks beautiful."
Jennifer W.
"Very professional and services are done at a very high level. Our company owns several properties and have used them for roofing, siding and painting. Highly recommend them."
Lori G.
Get a free, no-obligation estimate. We respond within one business day.