Licensed Septic Contractors Based in Chelmsford, MA

6 licensed septic contractors based in Chelmsford. Every license number below is sourced from public licensing records, with a link to look it up yourself.

"Based in" is the city on the business's license record. That can be a mailing address; it doesn't tell you where the business works. Businesses based in nearby towns may also work here.

Own one of these businesses? Find your listing and claim it.

Looking for a specific contractor? Search by name, business name, or license number.

Services in Chelmsford, with national cost ranges

Listings based in Chelmsford whose license class covers each service. Cost ranges are national; each links its cost guide.

None of the listings based in Chelmsford hold a license class we can match to septic tank pumping, septic system installation or septic system design. Ask any contractor whether they do this work, or browse the listings based in Middlesex County.

Listings that hold a matching license class, based in nearby towns rather than in Chelmsford, for the services with fewer than 3 here. Nearest first, in straight-line miles from the center of Chelmsford:

Septic Inspection

• Thomas J. Griffin, based in North Billerica, about 3 miles away
• James D. Lyons, based in North Billerica, about 3 miles away
• Advanced Wastewater Operations, LLC, based in Lowell, about 4 miles away
• Kelechi B. Obika, based in Lowell, about 4 miles away
• Alicia McCartin, based in Lowell, about 4 miles away

Hiring a septic contractor in Chelmsford

Before you hire, confirm the license is still active with the agency that issued it and get at least three written quotes.

Homeowner guides

• What Is a Septic Tank and How Does It Work?
• Do I need a permit for well or septic work in Massachusetts?

Nearby cities