About Us
J. Sargent Excavation LLC (JSX) is dedicated to delivering unparalled excavation solutions that blend cost effectiveness with uncompromising quality, while exceeding customer expectations with every bucket of dirt. We’re committed to bringing enjoyment into our work, delivering exceptional results while creating a positive experience for our team and partners. Located in Holderness, NH serving the Lakes Region and Central New Hampshire.






Every Dig Counts
We understand that excavation work is a critical first step for most construction projects. Our team is equipped with the lastest technology and tools. We prioritize safety, efficiency, and respect. JSX offers a full range of excavation services tailored to your needs, including:
Land Clearing and Site Preparation
From removing trees and brush to grading, leveling, and digging we prepare land for its next phase of development.
Septic Installs and Replacements
Our team will assess the site, work closely with the designer and regulators, and ensure the system is installed to meet all standards, while minimizing disruption to your property.
Drainage and Stormwater Management
From foundation drainage and culverts to swales and retention ponds, our team tailors solutions to effectively manage water flow and prevent erosion.
Driveway Install and Repair
Whether you’re building a driveway or private road, we create durable, well-graded surfaces that stand the test of time.
Utility Lines
JSX safely digs trenches for utilities including water, sewer, and electrical lines, ensuring a smooth installation process.

“They are very professional, clean, and quick. Communication is very important to me, and Jeremiah kept me informed every step of the way. He also recommended the septic designer that I used and a guy to pump my tank. They made the whole job from start to finish extremely stress free on my end. Thank you soooo much Jeremiah and crew, GREAT JOB!!!.”
– Jessica G.
Your Project, Our Priority
Our commitment is to provide high-quality work with a personal touch. We understdand that every job is unique, and were here to bring your vision to life with precision and care.
Contact Us
We’d love to learn more about your project and provide a customized quote.
Give us a call at 603-455-6329 or send us an email at jsargentexcavation@gmail.com and we will get back to you in a timely manner.
