The Preferred Source

Since the early 1900s Idaho Materials & Construction has built The Preferred Source of quality sand, rock, landscape products, ready-mixed concrete, asphalt, paving and construction services. We offer our customers the broadest range of quality products and services throughout Southern Idaho. We strive for excellence through our safe employees, world-class teams, breadth of innovative products and services, and commitment to sustainability.

Products & Services

Sand, Rock & Landscape Products

We offer a wide variety of specialty landscape rock products, sand, colored aggregates, rock mulches, trail chat, topsoil, mulch, and bark products.

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Ready-Mixed Concrete

We are experienced in designing and delivering specialty concrete mixes including fiber reinforced concrete, high-content fly-ash mixes, self-consolidating concrete, and pervious concrete pavement.

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Asphalt
& Paving

Asphalt is one of the most sustainable construction materials. Many of our projects have won quality awards.

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Construction Services

We specialize in highway and site development work. From small subdivisions to multi-million dollar highway and commercial projects, nothing is too large or small.

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Testimonials

John and his crew spent just over a week in …

– John Lecy from Cornerstone Concrete (Stillwater, MN)
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A few weeks ago we donated a large rock to …

– Thank you from Alameda Middle School
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I wanted to pass along a photo that was recently …

– Photos shared by Cascade Operations employee John Stevenson
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My name is Bill Leaton and I’m the manager for …

– “The reason for my letter is, Wow!!!”
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