9 verified septic companies across 6 cities in Hunterdon County. Compare ratings, services, and request free quotes from local providers.
Hunterdon County, New Jersey is home to 9 verified septic service providers listed across 6 towns in this directory. Spanning a largely rural landscape of rolling hills, river valleys, and farmland in the western part of the state, Hunterdon County has a significant share of properties that rely on private on-site septic systems rather than municipal sewer infrastructure. The county's terrain, which includes portions of the Sourland Mountains and the Delaware River corridor, can present varied soil conditions that affect how septic systems are designed and maintained. Seasonal shifts, including wet springs and cold winters common to this part of New Jersey, influence pumping schedules and system performance. The top cities by number of listed providers are Flemington, Hampton, and Lambertville, each with two companies serving local residents. Whether a property owner needs routine pumping, a point-of-sale inspection, or a full system evaluation, this directory helps connect them with local contractors familiar with Hunterdon County conditions.
Lambertville, NJ
⭐ 4.3
Stinky's Septic Services LLC is a family-owned and operated septic service company serving Lambertville, New Jersey, and surrounding areas within a 35-mile radius, including central New Jersey and southeastern Pennsylvania's Bucks County. Established in 2001, the company offers septic pumping, backflushing, sewer and drain cleaning, pipe inspections, pipe jetting, failing septic system repair, sand mound pumps, sewer ejector pumps, sewer line repairs and replacements, and septic laterals. The bo
Hampton, NJ
⭐ 5.0 (15 reviews)
Bayer Risse Engineering, Inc. is a consulting engineering firm based in Hunterdon County, NJ, specializing in septic system design, inspection, and troubleshooting. Founded in 1994, the company has been serving the New Jersey area and surrounding states of New York and Pennsylvania for decades. They are recognized leaders in the onsite wastewater treatment disposal industry, providing services to residential, municipal, industrial, and commercial clients. Their expertise extends to septic system troubleshooting, septic system inspection, and septic system design. Bayer Risse Engineering, Inc. is committed to delivering timely and cost-effective solutions tailored to each client's specific requirements, ensuring high-quality engineering services for various infrastructure and environmental needs.
Lambertville, NJ
⭐ 5.0 (13 reviews)
D.P.D. Contractors is an excavation company operating in Lambertville, New Jersey, founded in 1994 by David P. Dobrowolski. The company performs residential and commercial excavation and septic system services, with the owner present on all jobs. Services include septic system installation, septic repairs, septic tank replacement, basement excavation, drainage work, drywell and drywell systems, grading, power raking, brush hogging, land clearing, and complete site work. The company holds state-r
High Bridge, NJ
⭐ 5.0 (5 reviews)
White House Station, NJ
⭐ 4.8 (16 reviews)
D. Gulick Construction LLC is a family-owned septic and excavation company based in Whitehouse Station, New Jersey, serving residential and commercial clients since 1973. Founded by Dean Gulick and now led by second-generation operator Duane Gulick as Vice President of Operations, the company brings decades of hands-on experience to every project. Their septic services include inspections, repairs, and full system installations, with expertise in handling complex and large-scale septic challenges. Beyond septic work, D. Gulick Construction also provides grading, site work, new home excavation, drainage solutions, and stormwater management systems. The team manages all necessary permits and regulatory approvals, ensuring projects remain compliant from start to finish. Their streamlined workflow covers everything from initial site assessment through project completion, delivering reliable and long-lasting results. Homeowners and contractors in New Jersey looking for a trusted, multigenerational construction company with deep expertise in septic systems and site preparation can reach D. Gulick Construction LLC at 908-534-4902 or by email at [email protected].
Hampton, NJ
⭐ 4.7 (3 reviews)
AJH Construction, based in Hampton, NJ, is a fully insured and licensed excavating company specializing in a variety of construction services, including septic system installation and repair. With 25 years in business and over 40 years of experience in excavating, AJH Construction handles projects of all sizes, from large developments to small lots. Clients benefit from personalized service, dealing directly with the owner to ensure satisfaction. The company is committed to quality, ensuring every job is left in excellent condition. They offer free estimates and are available for calls any day of the week to meet at the client's convenience. AJH Construction prides itself on its extensive experience and dedication to customer service in the New Jersey area.
Frenchtown, NJ
⭐ 4.3 (6 reviews)
In Earth Excavating & Contracting, Inc. is a licensed and certified NJDEP contractor, specializing in a range of excavation and contracting services. They are also OSHA trained and a Roth-certified installer, operating as a woman-owned business. The company offers comprehensive solutions for various projects, including tank installations and removals for oil/fuel and propane, as well as tank locating. They also provide services for septic systems, drainage, water line/service trenching, sewer work, and in-ground pool removal and installation. In Earth Excavating & Contracting, Inc. collaborates with Frey Engineering for septic systems, geotechnical, and environmental services, ensuring quality excavation and contracting for their clients.
Flemington, NJ
⭐ 2.2 (9 reviews)
JJ & B Services has nearly 20 years of experience providing septic system solutions to customers in Hunterdon, Somerset, and Warren counties, New Jersey. They specialize in septic inspections, service, repair, and complete installation of septic systems for both residential and commercial clients. Their knowledgeable staff is experienced in installing conventional septic systems and is certified to install all state-approved peat moss 'no mound' systems, including Ecoflo and Puraflo. The company offers a comprehensive range of services, including video camera septic inspections, consultations, engineering services, problem-solving for septic systems and components, distribution box replacement, and professional septic system installation. They also handle water softeners, rerouting of discharge effluent, pump replacement or repair, jet flushing of lateral lines, sewer service connections/tie-ins, and septic tank abandonment. Based in Flemington, NJ, JJ & B Services is committed to customer service.
Flemington, NJ
Hunterdon Horizons Excavating Inc. is a professional excavating company based in Flemington, NJ, offering comprehensive septic installation and repair services. They cater to clients across Hunterdon, Somerset, Mercer, and Warren Counties in New Jersey. Beyond septic solutions, the company specializes in a wide range of excavation and sitework services, including sanitary and storm sewers, roads, driveways, parking lots, grading, and site preparation for new home construction. They also provide dump trucking for materials like topsoil, fill, shale, sand, and stone, and undertake projects such as horse riding arena construction and pond building. With a focus on quality and customer satisfaction, Hunterdon Horizons Excavating is equipped to handle various earth-moving needs for both residential and commercial projects. They operate Monday through Friday from 7 am to 6 pm.
Hunterdon County contains a mix of older farmhouses, historic village properties, and newer suburban developments, many of which were built before widespread municipal sewer expansion reached the region. Older homes, particularly those in rural townships, often rely on conventional gravity-fed septic systems tied to soil absorption fields. In areas where lot sizes are smaller or soil permeability is limited, pump-up systems and pressure-dosed drain fields are more common. Alternative systems, including mound systems, may be found on properties with high seasonal water tables or shallow depth to bedrock, both of which are conditions that can occur in parts of Hunterdon County. Spring snowmelt and heavy rainfall periods can temporarily saturate soils and stress drain fields, making fall pumping and inspection a practical routine for many homeowners. Understanding the specific system type on a property is an important first step before scheduling any service.
In Hunterdon County, septic system permits and oversight fall primarily under the jurisdiction of the Hunterdon County Health Department, which administers local rules in coordination with the New Jersey Department of Environmental Protection. New Jersey state law generally requires a permit for new septic system installations, significant repairs, and alterations to existing systems. For real estate transactions, New Jersey does not mandate a universal statewide septic inspection at point of sale, but many lenders, buyers, and local ordinances effectively require one, and Hunterdon County Health Department guidance should be consulted for any property-specific requirements. Homeowners seeking to understand their obligations can contact the county health department directly or review materials available through the New Jersey DEP's Bureau of Water Quality. Always verify current requirements with your local health department.
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