Builders FirstSource
Building MaterialsHours:
4058 Camelot Cir, Longmont CO 80504 Hours
About Builders FirstSource
Builders FirstSource is the nation's largest building materials supplier. Our Longmont CO Lumber Yard proudly serves builders, contractors & remodelers in Longmont and surrounding Colorado Front Range Area with their building supply & construction needs. This facility offers the following building supplies & services: Lumber and Building Materials, Trusses, Wall Panels and Components, Customer Pick Up | Will Call, READY-FRAME®. Cold weather doesn’t slow us down. Count on fast, reliable service and winter-ready products that help you build smarter. Visit us today to discover why we are known as builders' first choice!
Most Recent Reviews
January 2026
Builders FirstSource supplied the lumber for our deck project. Fast service, straight boards, and no wasted time on material issues. Reliable supplier we’ll keep using.
January 2026
We purchased lumber from Builders FirstSource for a garage project and had an excellent experience. The materials were high quality and consistent, making construction smooth and efficient. We’ll definitely use them again.
October 2023
Amazing customer service! I visit weekly sometimes twice a week they get me in and out of there in no time kudos to the receiving team.
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