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Serving the Cave Junction Community Since 1973

Illinois Valley Building Supply was founded in Cave Junction in 1973. IVBS is the largest contractor building supply facility in the area, offering a huge variety of lumber, windows, doors, and building materials. We promote community and togetherness in a family-friendly environment.

Family-Owned. Family-Operated.

At Illinois Valley Building Supply, we stand by our service mission: We strive to build confidence in each and every customer by giving them personal and pleasant service. The IV family works daily to make sure that you receive the best care, the best advice, and the best smile from each of us. Farmer’s Building Supply, Illinois Valley Building Supply, and Rogue Truss Systems serve contractors, builders, DIYers, and homeowners from all over southwest Oregon.

Family-Owned. Family-Operated.

Turn up the flavor this summer!

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July Is National Grilling Month

July Is National Grilling Month

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How to Grow a Greener Lawn

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Different Types of Chlorine for Pools

Learn which option is the best one to keep your pool swim-ready all season long