GroundRoster
Home › New Jersey › Hunterdon County

Licensed Well and Septic Contractors: Hunterdon County, NJ

22 licensed well and septic pros based in Hunterdon County. Every license number below is sourced from public licensing records, with a link to look it up yourself.

Grouped by the county 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 county, we place it by ZIP code, then town.

Checked against NJDEP DataMiner - Well Drilling Companies and New Jersey DEP - Residual and Solid Waste Haulers/Transporters (Domestic Septage). Roster copy last refreshed 2026-08-19.

Need well or septic work quotes in Hunterdon County? Request free quotes and we'll pass it to licensed well and septic pros who serve the area.

Towns in Hunterdon County

All 11 towns named on the license records based here, with the number of listings in each, most first.

License classes on the Hunterdon County 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 22.

License classTradeListings
Well Drilling CompanyWell15
Septage HaulerSeptic7

Septic Contractors based in Hunterdon County (7)

Castle Septic Services, Inc.

Septic
Based in Milford, NJ

RDR Farm, Inc.

Septic
Based in Frenchtown, NJ

Delaware Valley Septic

Septic
Based in Hampton, NJ

Frank F. Apgar & Sons

Septic
Based in Annandale, NJ

The Pumper

Septic
Based in Califon, NJ

Allied Septic Service INC

Septic
Based in Stockton, NJ

Stinky's

Septic
Based in Lambertville, NJ

Water Well Contractors based in Hunterdon County (15)

Ruf Company LLCLicensed

Well Drilling
Based in Lambertville City, NJ · License #RUFC

Samuel Stothoff CO INCLicensed

Well Drilling
Based in Flemington, NJ · License #STOC

D & L Well Drilling & Pump COLicensed

Well Drilling
Based in Clinton, NJ · License #DLWD

Advanced Drilling INCLicensed

Well Drilling
Based in Hampton, NJ · License #ADVN

Freshwater Well & PumpLicensed

Well Drilling
Based in Frenchtown, NJ · License #FRES

William L. StothoffLicensed

Well Drilling
Based in Flemington, NJ · License #WLST

Precision DrillingLicensed

Well Drilling
Based in Stockton, NJ · License #PREC

Ziegenfuss DrillingLicensed

Well Drilling
Based in Ringoes, NJ · License #ZIEG

Interstate Well & Pump CO INCLicensed

Well Drilling
Based in Flemington, NJ · License #INTE

Drilling & Probing SolutionsLicensed

Well Drilling
Based in Flemington, NJ · License #DRIP

William Stothoff CO INCLicensed

Well Drilling
Based in Flemington, NJ · License #STOT

Hawk Drilling, INC.Licensed

Well Drilling
Based in Hampton, NJ · License #HAWD

Highlands Water CO. LLCLicensed

Well Drilling
Based in Califon, NJ · License #HIGH

Stovers Wells & PumpsLicensed

Well Drilling
Based in Ringoes, NJ · License #STOV

Migcon Drilling INC.Licensed

Well Drilling
Based in Califon, NJ · License #MIGC

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 Hunterdon County, with national cost ranges

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

ServiceBased in Hunterdon CountyNational cost
Septic Tank Pumping0$250 to $600
Septic System Installation0$3,600 to $12,500
Septic Inspection0$150 to $900
Septic System Design0Varies by site
Perc Test and Soil Evaluation0$250 to $1,000
Well Drilling15$5,500 to $35,000
Well Pump Repair0$1,000 to $2,500

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

Hiring a well and septic professional in Hunterdon County

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 New Jersey?

Neighboring counties