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Massa Home Center offers the most extensive inventory of building materials in the Bitterroot Valley. Below is a condensed list of the material we stock. If you have a question about anything we sell, please stop by our store or give us a call and our sales staff would be glad to go into more detail. You can also email your questions to

If your project requires something we do not have in inventory, please let us source it for you.  We have access to building materials from hundreds of companies; many of which deliver to our store multiple times a week.


We are here to help your project be a success!


  • #1 and Better or Select Structural 2x4 and 2x6 Hem Fir/White Fir

  • Select Structural 2x8 thru 2x12 Doug Fir Larch

  • #1 Kiln-Dried 4x4, 4x6 and 6x6 Doug Fir Larch

  • 1x4 thru 1x12 and 2x4 and 2x6 Cedar

  • 1x4 thru 1x12 Pine

  • 2x4 thru 2x12 and 4x4 .15 CA Treated Brown

  • 4x6 and 6x6 .60 CCA Treated Green

  • Plywood: CDX, AC, Treated

  • OSB

  • Engineered Lumber: BCI I-Joist, Glu-lam, and LVL

  • Architectural Shingles: GAF HDZ and Malarkey Highlanders

  • Siding: LP Smartside and James Hardie

  • Exterior Trim: LP SmartTrim

  • Decking: AZEK and TimberTech

  • Drywall: 4’x8’, 4’x12’, and 54”x12’

  • Insulation: Fiberglass, Dow, R-Max, and Styrofoam

  • Foundation Products: Rebar, Ties, Anchor Bolts, and Window Wells

  • Concrete: High-Strength, Fast Set, 5000 PSI, and Masonry

  • Concrete Block: 6x8 and 8x8, Piers, and Patio

  • Mouldings: Hemlock, Alder, and Primed Ultralite

  • Specialty Woods: Oak, Walnut, Cherry, Hickory, Alder


  • Hand Tools

  • Power Tools & Accessories

  • Fasteners

  • Hardware

  • Paint & Sundries

  • Electrical Supplies & Fixtures

  • Plumbing Supplies & Fixtures

  • Lawn & Garden

Many other non-stock items are available by special order -- please contact us

For current lumber pricing, call us at 
(406) 363-1922


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Our Selection of Quality Products

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Browse Our Product Guides


We make it easy for you to choose the right products for your project.

Learn before you buy


Overstocked items, mistakes and returns offered at great prices! 

See what's available

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