John HopkinsLicensed

Licensed septic contractor based in Henniker, Merrimack County, NH

"Based in" is the city and county of the address on the business's license record. That can be a mailing address; it doesn't tell you where the business works.

Get free quotes

What this license covers

• Installation / repair: licensed to build and install septic tanks and drainfields, and to repair or replace failed ones.

How to verify this license

We publish the license details exactly as they appear in the official licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #05308 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.

Source: NH DES - Septic System Designers & Installers, last checked 2026-08-16. Verify at the official source.

Compare licensed contractors based in Henniker

Other well and septic pros based in Henniker

Other licensed septic contractors based in Merrimack County

See every listing based in Merrimack County or in Henniker.