Coastal Building Supply LLC

Small Town • Big Heart • Shop Local First

Embrace Petersburg's unique spirit with Coastal Building Supply, your local source for quality materials that bring community and craftsmanship home. Petersburg Alaska's #1 Stop For Flooring, Benjamin Moore Paint, and MORE!

Welcome to Coastal Building Supply, Petersburg's beacon for building and renovation, proudly brought to you by Bob and Niccole Olsen. Since transforming Alaska Floor Covering into our cherished venture in 2023, we've committed to offering more than just materials—we're creating partnerships for every project and dream. Here, excellent customer service, premium products, and options for every budget aren't just goals; they're our way of life. As the only flooring showroom and Benjamin Moore Paint supplier on the island, we understand the value of local support and are dedicated to enriching our island community with every nail, board, and tile. Check out our home decor inventory with free in town delivery on our website!

Our roots run deep in Petersburg, where our family and the great outdoors are the essence of our existence. From the foundations laid by the Olsen family over generations to the detailed care in customer relations brought by Niccole, every aspect of Coastal Building Supply is infused with a love for our community and a commitment to its growth. Whether you're DIY-ing, working with our skilled team at Steelhead Enterprises, or have another contractor in mind, we're here with the expertise and supplies to make your island living dream a reality.

Coastal Building Supply LLC
Your local choice for all your flooring needs! We have THOUSANDS of samples in the store to choose from. We carry a variety of Hardwood, LVP, Laminate, Tile, Carpet, and Sheet Vinyl as well as all of the necessary installation materials.