About Us

The Company

At Knockout Plumbing, we believe that every home in Seattle deserves top-notch plumbing care. With a dedicated team of skilled professionals, we specialize in residential remodels, hot water heaters, sewer repair, repiping services, fixture installation, sewer scope inspections, and more. Our services cover everything from minor fixes to complete system overhauls. We are committed to excellence, combined with an understanding of the unique needs of Seattle homeowners. All of this along with our family owned and operated approach sets us apart from many other plumbing companies in the Emerald City. We would love to serve you!

Meet The Team


Zach Miller


Zach Miller grew up in Edmonds and currently lives in Beacon Hill. He has been working in the plumbing industry since 2007 and is happy to have this opportunity to serve his community. Zach enjoys spending time with friends and family, his passion lies in his relationships, a true social butterfly.


Colin Forster


A Seattle native since 2005, Colin has been committed to helping homeowners since 2019 when Knockout Plumbing opened its doors. He loves spending his free time with his wife Shannon, his kids, and his dogs. He's also a die-hard Arsenal fan


Dustin Root


Dustin was born and raised in Washington and has been a member of our team for a year. He can be found spending quality time with his family and friends, and working hard in the field. He also enjoys heavy metal and going to metal shows. Dustin is eager to gain more experience and knowledge with each new client.


Shannon Forster


Shannon is our team's accountant, and she can be found working hard behind the scenes to ensure the company continues to run smoothly. Wife to Colin, mom to Avery, and dog mom to Rupert and Trulee, she wears many hats and juggles everything seamlessly. Shannon loves music, the outdoors, and spending quality time with her loved ones above all else.


Julia Barker


Julia handles dispatch and marketing, and is the first voice you hear when you call Knockout Plumbing. She is excited to help us expand and reach more people in our community! She loves her family, the outdoors, and photography. In her free time she can be found shooting weddings, and chasing her 4 year old.