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Your Trusted Partner in Septic and Excavation Services

We are one of the top-rated septic repair and septic installation companies in the area. 




Discover Unmatched Expertise in Excavation and Septic Services with Select Excavation! 

Whether you're a homeowner or a business, our team brings top-notch professionalism to every project. Specializing in a range of services from precision excavation to reliable water main installations, and from efficient leach field replacements to state-of-the-art septic system installations, we're your go-to experts.
Our proficiency isn't just in what we do; it's also where we do it. Proudly serving a wide array of communities including Salem, Plaistow, Sandown, Danville, Atkinson, Chester, Windham, Hampstead, and Derry in NH, we're right in your neighborhood, ready to deliver excellence.  At Select Excavation, we're committed to providing you with the best solutions tailored to your specific requirements.

Reach out to us today for a seamless experience and the quality service you deserve!

NH Septic Services You Can Trust

At Select Excavation, we pride ourselves on delivering cost-effective and comprehensive septic solutions. Our range of services encompasses everything from general excavation to specialized water and septic line services, along with expert leach field installations, and meticulous septic system installation and repair.


No project is too big or too small for us. Whether it's a sprawling condo complex or a cozy single-family home, our team is equipped with state-of-the-art tools, backed by years of experience and a deep understanding of the technical nuances involved. Trust us to handle your project with precision, ensuring it's done right the first time.

leach field replacement cost

Why Choose Select Excavation for Your Leach Field Installation or Septic Repair Needs?

We are a trusted NH septic service, leach field installation and water main installation company. Since 2010, we've been the best septic services provider serving southern NH. We offer water main installations, septic system installation, leach field repairs & replacement. 

Experienced Septic Contractor

For over twenty years, we've served hundreds of septic clients since 2002. Our reputation as one of the top septic companies is unmatched. When you need a septic contractor, experience really matters.  

Lightning Fast Estimates

If you've ever had to wait days (or more) for a services quote, that tells you something about an organization. We'll get you a firm services quote - often within 24 hours.  You have our word on it!

Satisfaction Driven

As well-established, trusted & respected septic services company, we've seen others come and go. Our commitment to 100% customer satisfaction is clear on every septic job we do. 

Highly Rated & Impeccably Reviewed Septic Services

best septic


Another Five Star Google Review

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"The crew at Select Septic Services did an outstanding job replacing my septic system. The leach field is in the front yard so I was really concerned with how it would look. When they were all done my yard was smooth and perfect again. I was amazed! They showed up on time, keep me informed about the job and were a pleasure to work with!"

Jodie T.  Sandown, NH

We Are Here to Serve You

Questions? Call 603-974-3407 to Speak with a Select Excavation Representative

We offer septic installation, leach field services, water line installation and excavation services  Salem NHPlaistow NH, Sandown NHDanville NH, Atkinson NHChester NH, Windham NH, as well as Hampstead and Derry NH