Portfolio

Our Projects

Browse excavation, foundation, and site development projects throughout Bozeman, Big Sky, Belgrade, and the greater Gallatin Valley.

Foundations

ALL

Septic Systems

Land Clearing

Site Development

Utilities

Grading

Construction site with foundation work in progress on a cloudy day in a rural area.

Foundation Excavation

Full foundation excavation for a 4,500 sq ft custom home on a sloped lot with granite bedrock.

Custom Home Foundation

Bozeman, MT

Construction site with workers installing underground pipes, hydraulic excavators, and machinery, surrounded by a fence, with mountains and trees in the background.
Construction site with workers installing underground pipes, hydraulic excavators, and machinery, surrounded by a fence, with mountains and trees in the background.

Septic System

Septic System Install

Gallatin County, MT

Complete septic system design and installation for a remote mountain property.

A dirt road intersects with an asphalt road in a rural wooded area, with a tree at the crossing and a power line overhead.

Land Clearing

Land Clearing

Bozeman, MT

Brush removal and tree clearing to prepare a rural residential building site

A yellow bulldozer clearing a dirt trail in a forested area with tall pine trees.

Landscape Grading

Access Road Grading

Bridger Canyon, MT

Precision grading and excavation to create durable, all-weather access to a remote mountain property.

A small excavator working in a trench, laying an underground utility pipe, with a trailer nearby and a white barn in the background.
A small excavator working in a trench, laying an underground utility pipe, with a trailer nearby and a white barn in the background.

Utilities

Utility trenching and power line installation to provide reliable electrical service to a new horse barn.

Utility Trenching

Four Corners, MT

Construction site with partially built house on the left, mountain and pine trees in the background, partly cloudy sky, dirt ground, and construction materials and equipment scattered on the ground.

Site Development

Complete Site Development

Big Sky, MT

Full service site development doing grading and site preparation for a custom residential build.

READY TO DIG IN?

Contact Hennessy Development today for a free estimate on your excavation, septic, foundation, or grading project in Gallatin County.

Contact us
Contact us
(406) 209-5886
(406) 209-5886