Tristate is one of the state's largest and most trusted roofing companies. When you work with our roofers, you are guaranteed ... premier roofing service at a quality price. Our team has been working in the roofing industry for years. Tristate was founded with two goals in mind: to provide exceptional quality and give each customer unmatched value. In order to ensure that you get the service you deserve, we only use our own hand-picked employees to work on your home or business. We perform thorough background checks on every crewmember. We specially train all of our crews, and only select those who are best-trained in the type of work you require. We have a large team of roofers and build competent crews with some of the best contractors and roofers in Seattle and Tacoma.We are licensed roofing contractors in Washington with years of experience in Tacoma and Seattle roofing and window installation (License: TRISTI*931QH & TRISTEI903P7). Our company president is the 2014 President of the Roofing Contractors Association in Washington. We are ranked as the #2 largest home improvement company in Washington State and the #102 largest home improvement company in the United States in Qualified Remodeler's 2013 Top 500 Remodelers. We are GAF Master Elite Roofing Contractors - only 3% of roofers in the state have earned this honor. We offer amazing specials - Check out current offers on our specials page! Thousands of customers have been satisfied with our services. Read customer reviews on our testimonials page! or check us out at www.guildquality.com or with the BBB. We provide free inspections and estimates for our services. We are IKO Shield Plus Pro Contractors. Only 5 companies in Washington have this distinction. We are also CertainTeed 5-Star Contractors. read more