Professional Service — Big Sky, Montana

Big Sky is one of Montana's most demanding places to build with steep mountain terrain, a short construction season, and some of the highest value properties in the state. We bring the precision and equipment that steep slope excavation requires, from ski-in lots near Lone Mountain to properties throughout the Gallatin Canyon corridor.

Excavation & Site Preparation in Big Sky, MT

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Why Big Sky Chooses Hennessy Development

Big Sky is unincorporated which means there's no city government here. Land-use and permitting decisions run through Gallatin County and the Big Sky Resort Area District rather than a local city office. Therefore, knowing exactly who to coordinate with matters more here than almost anywhere else in the valley. We've worked that process directly and navigate it for our clients.

Building here also means working with real mountain conditions: steep grades, rocky terrain, and a construction window that's meaningfully shorter than Bozeman's due to elevation and winter weather. We plan every Big Sky project around those realities from the first site visit, not after equipment is already on-site.

What we handle in Big Sky

  • Ski in/ ski out lot preparation

  • Coordination with permitting

  • High end site development

  • Custom home foundation work

  • Steep slope excavation

  • Short season projects

Explore Our Services in Big Sky

We provide every service below throughout Bozeman and Gallatin County. Click on one of these to learn more specifics of that service.

All Services
Site Preparation
Excavation
Foundation Excavation
Grading
Septic System Installation
Utility Trenching
Concrete Work
Land Clearing

Frequently Asked Questions

Get a Free Estimate
(406) 209-5886

Explore Our Service Areas

We provide excavation and earthwork services throughout southwest Montana. Click on one of these to for your area.

Gallatin County
Bozeman
Belgrade
Big Sky
Livingston
Manhattan, MT
Gallatin Gateway
Four Corners
All Service Areas

Building in Big Sky?

Contact Hennessy Development today for a free estimate on your excavation, site preparation, foundation, or grading project in Big Sky.