Montana service directory

Drainage & Grading Contractors in Montana

Use this page to find contractors for drainage correction and sitework related to pavement performance, including grading, catch basins, area drains, swales, and subsurface drainage. Poor drainage is a leading cause of premature pavement failure. This page lists drainage & grading contractors serving Montana, organized by city below.

Listings: 3
Cities: 2
Specialty: Drainage & Grading

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Before you hire: The Pavement Directory does not guarantee contractor performance, pricing, licensing, insurance, or availability. Business information may be submitted by contractors or gathered from public sources and should be independently verified before hiring. Always confirm licensing, insurance, references, scope of work, and written contract terms.

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3 contractors in Montana

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American Asphalt

Missoula, Montana

Asphalt PavingSealcoatingConcrete SiteworkCommercial & Residential

American Asphalt provides asphalt paving, driveway installation and repair, parking lot paving, and sealcoating/maintenance services for both residential and commercial properties. The company states it has served Western Montana since 1993, working on projects ranging from driveways and walkways to parking lots and industrial spaces. It positions itself as a full-service paving contractor handling installation, overlays, and repair work.

(406) 544-6404Website on file

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Rocky Mountain Asphalt LLC

Belgrade, Montana

Asphalt PavingConcrete SiteworkSnow RemovalCommercial & Residential

Rocky Mountain Asphalt LLC is a locally owned paving and site-work contractor based in Belgrade, Montana, operating since 2021. The company installs and repairs asphalt driveways, parking lots, and blacktop, along with concrete driveways, sidewalks, and curb and gutter work. It also offers excavation, grading, drainage, and snow removal services for both residential and commercial properties across the Gallatin Valley area. The business states it is licensed and insured and provides free estimates.

(406) 205-7933Website on file

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Top Line Asphalt Missoula

Missoula, Montana

Asphalt PavingSealcoatingCrack SealingCommercial & Residential

Top Line Asphalt Missoula is an asphalt paving contractor serving Missoula, MT and surrounding communities including Frenchtown, Lolo, Florence, Stevensville, Corvallis, and Victor. The company works on both residential and commercial properties, offering paving, patching, sealcoating, striping, repair, and slurry coating services. It states it is licensed and insured and emphasizes engineering pavement for local freeze-thaw climate conditions.

(406) 642-0112Website on file

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Drainage & Grading FAQs

Why is drainage such a common cause of pavement failure?

Standing water that penetrates the base weakens the material supporting the pavement surface, leading to cracking, potholes, and premature failure that resurfacing alone won't fix.

How do I know if a paving problem is really a drainage problem?

Recurring cracking, potholes, or ponding in the same spot after repairs are common signs. Ask a contractor to evaluate grading and drainage, not just patch the visible surface damage.

Does drainage work require permits?

It can, depending on the scope and local jurisdiction, especially for changes that affect stormwater flow. Ask the contractor what permitting they expect to need.

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