Licensed Well and Septic Contractors: Southeastern Connecticut Planning Region, CT

225 licensed well and septic pros based in Southeastern Connecticut Planning Region. Every license number below is sourced from public licensing records, with a link to look it up yourself.

Grouped by the planning region of the address on each license record, which can be a mailing address, so it doesn't tell you where the business works. When the record names no planning region, we place it by ZIP code, then town.

Checked against Connecticut DPH - eLicense credential extract (well & septic license types). Roster copy last refreshed 2026-10-17.

Towns in Southeastern Connecticut Planning Region

All 33 towns named on the license records based here, with the number of listings in each, most first.

License classes on the Southeastern Connecticut Planning Region records

Each class as the issuing agency prints it on the license record. A record that names more than one class counts once under each, so the rows can add up to more than 225.

Septic Contractors based in Southeastern Connecticut Planning Region (219)

Water Well Contractors based in Southeastern Connecticut Planning Region (6)

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

Services in Southeastern Connecticut Planning Region, with national cost ranges

Listings based in Southeastern Connecticut Planning Region whose license class covers each service. Cost ranges are national; each links its cost guide.

None of the listings based in Southeastern Connecticut Planning Region hold a license class we can match to septic tank pumping, septic inspection, septic system design, perc test and soil evaluation, well drilling or well pump repair. Ask any contractor whether they do this work, or try a nearby city.

Hiring a well and septic professional in Southeastern Connecticut Planning Region

Before you sign anything: confirm the license on this page is still active with the agency that issued it, ask for proof of insurance, and get at least three written quotes; pricing on this work varies widely by site conditions.

Do I need a permit for well or septic work in Connecticut?

Neighboring planning regions