Licensed Septic Contractors Based in Thornton, NH

12 licensed septic contractors based in Thornton. Every license number below is sourced from official licensing records, with a link to verify it 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.

Browse Thornton by service

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

Services in Thornton, with national cost ranges

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

None of the listings based in Thornton hold a license class we can match to septic tank pumping, septic inspection or perc test and soil evaluation. Ask any contractor whether they do this work, or browse the listings based in Grafton County.

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

Septic System Design

• Bruce Rodgers, based in Campton, about 4 miles away
• Thomas Duffield, based in Campton, about 4 miles away
• Stephen Tower, based in North Woodstock, about 9 miles away
• Neil McIver, based in Plymouth, about 10 miles away
• Richard Gowen, based in Plymouth, about 10 miles away

Hiring a septic contractor in Thornton

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 New Hampshire?

Nearby cities