Complete Groundwork Services.
One experienced crew for every phase of your project — excavation, utilities, roads, hardscaping, hauling, and year-round snow removal across the Gallatin Valley.
Everything Your
Project Needs.
Residential or commercial, no job is too big or too small. Fewer subcontractors, fewer headaches — one call covers your entire scope of groundwork.
Excavation & Site Prep
From land clearing and grading to foundation digging and complex earth moving — your site prepared to the highest standards of safety and precision.
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Utilities & Septic
Expert installation and repair of water lines, sewer lines, and complete septic systems for reliable, functional infrastructure.
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Roads & Grading
Precision road building, grading, and resurfacing for private roads, driveways, and parking lots — with proper drainage and a smooth finish.
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Retaining Walls & Hardscaping
Natural stone and boulder walls that manage slopes, prevent erosion, and add structural integrity and beauty to your property.
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Concrete & Asphalt Prep
A long-lasting surface starts with proper prep. We build the stable, level, compacted base that prevents cracking and extends the life of your driveway or patio.
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Trucking & Hauling
A reliable fleet of dump trucks delivering gravel, dirt, and rock — keeping your project supplied, on schedule, and on budget.
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Snow Removal
24/7 residential and commercial plowing, ice management, and snow hauling that keeps your property safe and accessible all winter.
Learn moreNot sure which service you need? Call us — we'll walk your project with you and point you the right way, free.
FAQs
Do you handle both residential and commercial projects?
Yes — we have extensive experience across a wide range of projects, from residential home foundations and driveways to large-scale commercial site preparation and utility installations. No job is too big or too small.
Is Keystone Contracting licensed and insured?
Yes. Keystone Contracting is fully licensed and insured, so your project and property are protected from the first cut to the final grade.
What areas do you serve?
We're based in Bozeman and serve roughly a 90-mile radius, including Big Sky, Belgrade, Three Forks, Livingston, Gallatin Gateway, and surrounding communities.
Can you handle my whole project, start to finish?
That's exactly what we're built for. As a single-source groundwork partner we take your site from raw land through clearing, excavation, utilities, roads, and final grade — one crew, one point of contact.
How fast can you get me a quote?
Usually same-day for a phone estimate and within a few days for a detailed written bid after a site visit. Call Cody or Dev directly to get on the schedule.