Steve Sarette & Son Excavation, LLC
282 Goffstown Back Rd.
Goffstown, NH 03045

Septic System Design and Installation

We build your septic system regardless of the size of your space or we can connect you to the town sewer if that is available

Septic System

Our New Hampshire licensed septic designer can provide designs for homes, or for clients who need to replace or expand their existing septic system. We specialize in the planning and execution of various septic system designs and installations.

As your septic system installer, we also can provide the state permitting and schedule local inspections before and during the septic system installation. As our client, all you will have to do is call us first!

The type of septic system that is best for your yard The bedroom count is what determines the sizing of the system required in a residential application. Lot size, location of existing utilities, and access also factor in with the type of system that will be designed to suit your needs. For yards that have plenty of room to install a septic system - and the system is gravity-fed (meaning the leach field is lower than the house) - a stone and pipe septic system is a tried-and-true standard in New Hampshire.

Residential Sewer & Water Line Installation and Repair in Goffstown NH & Southern NH Areas

Town sewer and water connections too! As municipal sewer and water lines expand in many towns, many residents opt for a municipal water and sewer connection instead. If you happen to live in a town or city that provides public water and sewer, we can provide the connection to your home. In the case of newer water and sewer lines, interior plumbing is required to complete the connection. Our team at Sarette Excavation can provide you a licensed plumber to work with in order to complete the interior connection, or you can work with your own trusted plumber to finish the connection!

Septic System Design & Installation in Goffstown NH & Southern NH Areas:

System Design


Tank Replacement

New Hampshire licensed designer and installer

We are your one stop shop for all things septic systems

Our Residential Excavation Services in Southern NH

Servicing Goffstown NH, Bedford NH, Hooksett NH, Merrimack NH, Manchester NH, New Boston NH, and the surrounding Southern NH areas.

  • Yard Expansions

  • Water Line Installation & Repair

  • Town Sewer Connections

  • Drainage Swales

  • Stumping & Grading

Call us today and we can help you determine the best solution for your needs



Steve Sarette & Son Excavation, LLC
282 Goffstown Back Rd.
Goffstown, NH 03045
(603) 668-1179 Leave Your Google Review
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We work in the cities and towns of Bedford, Goffstown, Manchester, Hooksett, Concord, Bow, Penacook, Allentown, Derry, Chester, Chichester, Londonderry, Litchfield, Amherst, Deering, Francestown, Hollis, Nashua, Milford, Epping, Lee, Merrimack, Windham, Pelham, Salem, Raymond, Candia, Brentwood, Deerfield, Kingston, Sandown, Hampstead, Loudon, Weare, Hopkinton, Henniker, Mont Vernon, Wilton.