About Us

Colonial Contracting & Excavating Inc. is a trusted commercial sitework and concrete contractor serving multi-phase development projects across the region. Family-owned and operated, we bring specialized machinery, experienced crews, and turnkey capabilities—including heavy excavation, rock hammering, brush mowing, and structural slab placement—to every job site.

We maintain direct, proactive communication with general contractors and project managers at every phase of production. By combining hands-on field supervision with transparent staging schedules, we ensure every cut, fill, and pour strictly aligns with your site plans, safety standards, and project timeline.

Our Services

Colonial Contracting & Excavating provides full-scope civil and site development services tailored to the demands of commercial general contractors. We specialize in complex projects, offering seamless execution across excavating and grading, high-capacity brush mowing, and heavy hydraulic hammering for tough rock and ledge conditions. Downstream, our concrete divisions deliver precision concrete forming and flat work—providing GCs with a single, highly accountable trade partner from raw land clearing to structural slab pour.

Partner with a Reliable Commercial Sitework Contractor

Keep your site schedule on track from day one. Colonial Contracting & Excavating delivers the equipment capacity, experienced operators, and site communication general contractors depend on. Contact us today using the form below to share your project scope, request an estimate, or get your site work scheduled.


Get in Touch

Colonial Contracting & Excavating Inc
81 So Main Street
Ashburnham, MA 01430
(978) 874-1700


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