Welcome to Cowls Building Supply

Family owned and in the same location since 1741, Cowls Building Supply serves the residents of Western Massachusetts with a unique combination of lumber, building materials, paint, hardware, and expert, friendly service.

Cowls Building Supply has a trained veteran staff in both sales and operational support. Ownership and senior management is fully engaged in the attention to our customers’ needs.

Cowls Building Supply can provide the quality materials you need for your project. Whether you are building a new home, home addition, or remodeling an existing space, Cowls is the local quality home center to help you.

Visit our Kitchen Design Showroom, the Benjamin Moore Paint Store at Cowls, and our new Flooring Showroom. You’ll find a caring team with the combined knowledge and expertise to answer all your questions, help you estimate your choices, and design the correct layout for your project.

News and Events

Ben Moore Primer on Sale! 6/17/24 -6/28/24

Do your walls need a fresh start? All Benjamin Moore Fresh Start interior and exterior primers are on sale for $7 off a gallon at Cowls Building Supply in Amherst, MA. Sale runs 6/17/24 -6/28/24. Stop by and speak with our friendly paint shop staff about your painting projects this summer. Monday – Friday 7am…



Mark your calendars for THE Makita Sale of the YEAR in Amherst, MA! June 10th-21st all Makita tools will be on sale at Cowls Building Supply! Call or stop by the store to learn more about the sale pricing. You can also pick up our “Featured Sale Items” Flyer to see some extra savings on…