Expert Services for Your Construction Projects

At Monadnock Excavation LLC, we specialize in comprehensive site preparation including land clearing, grading, and earthwork. Our experienced team ensures your site is ready for construction by removing obstacles, leveling terrain, and creating a solid foundation. We utilize advanced equipment to deliver efficient, precise results tailored to your project's needs.

We provide professional excavation for sewer and water connections on both residential and commercial projects. Our team ensures proper trenching, depth, and alignment so utility connections are installed safely and meet local requirements. 

Our team specializes in a wide range of residential and commercial concrete work, including patios, walkways, slabs, and foundations. 

 Our services include French drains, perimeter drains, yard drainage systems, and water diversion solutions designed to move water safely away from your home or building.

We provide state-licensed septic system installations, replacements, and system updates. Our team handles everything from new septic system installations to upgrading or replacing outdated systems, all while meeting local regulations and environmental standards. we also maintain and have many great relationships with local septic designers to connect you with the resources you need. 

Our work includes gravel driveway installations, resurfacing with asphalt regrinds, grading, and repairs to restore smooth and reliable access to your home or business. Whether you’re installing a new driveway or refreshing an existing one.