12 verified septic companies across 10 cities in Grafton County. Compare ratings, services, and request free quotes from local providers.
Grafton County, New Hampshire is home to 12 verified septic service companies listed across 10 cities and towns in our directory. The county covers a large and geographically diverse area, stretching from the Connecticut River valley in the west to the White Mountain foothills in the east, where rocky soils and variable terrain directly influence the type of septic systems that can be installed and maintained. Many properties in the county rely on private septic systems rather than municipal sewer connections, making routine pumping, inspection, and maintenance a practical necessity for homeowners. Whether a property sits on a wooded hillside lot in a rural township or a residential street in one of the county's larger communities, finding a qualified local provider is an important part of responsible home ownership in this region.
Wentworth, NH
⭐ 5.0 (57 reviews)
Vlk Septic is a septic service provider located in Wentworth, New Hampshire, dedicated to delivering reliable septic system maintenance and repair solutions to residential and commercial customers. With a perfect 5.0 Google rating based on 54 customer reviews, the company has established a strong reputation for quality workmanship and customer satisfaction in the local community. Vlk Septic specializes in comprehensive septic services designed to keep systems operating efficiently and prevent costly problems. Their commitment to professional service and attention to detail has earned them consistent praise from clients throughout the region.
Enfield, NH
⭐ 4.6 (9 reviews)
John Downing Excavating, Inc. is a family-owned and operated septic service contractor based in Enfield, New Hampshire, proudly serving residential and commercial clients across the state since 1995. The company specializes in state-approved septic design, installation, and system replacement for properties of all sizes, including challenging terrain and shoreland areas. With over 25 years of industry experience, John Downing Excavating provides comprehensive septic solutions including new system design, inspections, and emergency repairs available 24/7. Beyond septic services, the licensed and insured company offers excavation, driveway installation, hydroseeding, forestry mulching, field restoration, stump removal, and snow removal. John Downing Excavating serves multiple New Hampshire counties including Belknap, Grafton, Sullivan, Coos, and Rockingham, maintaining a reputation for reliable service and long-lasting results. The company is equipped to handle both routine maintenance and urgent septic system failures, making it a dependable choice for homeowners and businesses throughout New Hampshire requiring professional excavation and septic contracting services.
Lebanon, NH
⭐ 5.0 (26 reviews)
Upper Valley Septic Professionals is a septic service company based in Lebanon, New Hampshire, serving residential and commercial customers throughout Vermont and New Hampshire's Upper Valley region. Their service area includes communities such as Hanover, Lyme, Enfield, Norwich, Woodstock, and surrounding towns on both sides of the Connecticut River. The company offers a comprehensive range of septic services including residential and commercial septic pumping, grease trap pumping, septic line camera inspections, septic system location, new system design and installation, system repair, and trucking and hauling services. Standard residential pumping starts at $395, with a current spring discount bringing the price to $365. Upper Valley Septic Professionals donates $5 from every service to Dartmouth Health Children's, reflecting a commitment to supporting the local community. Customers can reach the team by phone at (603) 448-5000 during business hours of 8:00 a.m. to 4:30 p.m. to schedule an appointment or learn more about available services.
Alexandria, NH
⭐ 5.0 (18 reviews)
Evergreen Drain and Septic is a septic service provider based in Alexandria, New Hampshire, dedicated to maintaining and repairing residential and commercial septic systems. With a perfect 5.0 Google rating across 14 customer reviews, the company has established a strong reputation for reliable service and customer satisfaction in the local community. Evergreen Drain and Septic offers comprehensive septic solutions, including system inspections, pumping, maintenance, and repairs. Their commitment to quality workmanship and professional service has made them a trusted choice for septic system needs in the Alexandria area.
Holderness, NH
⭐ 5.0 (6 reviews)
Septic Solutions is a septic service provider based in Holderness, New Hampshire. The company has earned a perfect 5.0 Google rating from six customer reviews, reflecting consistent positive feedback from clients. Septic Solutions offers septic system services to the local community and surrounding areas. With their strong reputation for customer satisfaction, they have established themselves as a trusted choice for septic maintenance and repairs in the region. Those seeking professional septic services in Holderness and nearby communities can learn more about Septic Solutions' offerings through SepticTankHub.com.
Plymouth, NH
⭐ 5.0 (2 reviews)
Lisbon, NH
⭐ 4.8 (24 reviews)
Schofield's Septic Tank Services is a septic service provider located in Lisbon, New Hampshire, serving the local community with professional septic system maintenance and repairs. The company has earned a strong reputation, reflected in its 4.8 Google rating based on 24 customer reviews. With a commitment to reliable service and customer satisfaction, Schofield's Septic Tank Services addresses the septic needs of residential and commercial clients throughout the region. Property owners in the Lisbon area seeking experienced septic system expertise can turn to this established local business for their septic tank care requirements.
Enfield, NH
⭐ 4.7 (46 reviews)
Stearns Septic Service provides septic system services in Enfield, New Hampshire. Established in 1996, the company offers both residential and commercial septic services. Their specific services include septic tank cleaning and pumping, septic system evaluations, high pressure jetting and vac services for frozen or clogged pipes, and tank risers and covers installation. The company employs multiple New Hampshire Licensed Septic System Installers and New Hampshire Licensed Septic System Evaluator
Campton, NH
⭐ 4.4 (22 reviews)
Decosta Construction LLC is a family-owned general contractor serving Central New Hampshire's building needs since 1980. With nearly 30 years in business, they specialize in a wide array of construction services, including septic system installation. Their expertise extends to residential construction, remodeling, excavation, foundations, decks, dormers, additions, windows, doors, siding, sun rooms, insulated concrete forms, kitchen and bath remodels, carpentry, framing, painting, new homes, Energy Star Homes, land clearing, stump removal, snow plowing, sanding, property maintenance, and driveways. Decosta Construction LLC is a Certified Renovator, committed to providing personal service and exceptional quality, with all services and products guaranteed. They serve various towns in New Hampshire, including Plymouth, Ashland, Holderness, Bethlehem, Campton, and many more, ensuring competitive prices and overall value for their loyal customers.
Warren, NH
⭐ 4.3 (19 reviews)
Country House Septic Services is a septic system provider based in Warren, New Hampshire. The company offers maintenance, repair, and installation services for residential and commercial septic systems. With a strong commitment to reliable service, Country House Septic Services serves the local Warren area and surrounding regions. The company maintains a solid reputation in the septic industry, focusing on professional workmanship and customer satisfaction. Whether homeowners or property managers need routine tank pumping, system inspections, or emergency repairs, Country House Septic Services delivers experienced solutions to keep septic systems functioning properly throughout the year.
Plymouth, NH
⭐ 2.3 (3 reviews)
Littleton, NH
VERMONTECO is associated with the Department of Environmental Conservation, focusing on environmental initiatives within Vermont. The organization hosted ECO AmeriCorps from 2015-2025, a program dedicated to uplifting communities through projects related to clean water, waste reduction, environmental communication, and disaster response. While the content highlights a broad range of environmental efforts, including water investment and watershed management, it does not specifically detail septic services such as pumping, installation, or repair. The site provides contact information for the Department of Environmental Conservation, including an email address and phone number, for general inquiries. The ECO AmeriCorps program, though no longer active, left a legacy of community service and environmental dedication among its participants, many of whom continue to pursue environmental pathways in Vermont.
Much of Grafton County, New Hampshire consists of rural and semi-rural land with a mix of older homes, seasonal camps, and newer residential construction. Older properties—particularly those built before the 1980s—may still rely on conventional gravity-fed septic systems, while homes on lots with shallower soils, high water tables, or steep grades are more likely to require pressure-dosed or pump-up systems. In areas near lakes and rivers, which are common throughout the county, alternative or enhanced-treatment systems may be required to protect water quality. New Hampshire's cold winters also play a role in septic system health, as frozen ground can affect drain field performance and delay service access during certain months. Spring thaw periods are a common time when homeowners first notice signs of stress in aging systems.
In New Hampshire, septic system permitting and oversight fall primarily under the jurisdiction of the New Hampshire Department of Environmental Services, which administers the state's subsurface systems program. Local municipalities may also have health officers who coordinate with state agencies on inspections and complaints. For new installations or significant repairs, a permit from the state is generally required before work begins, and a licensed designer must typically prepare a site-specific plan. At the point of a property sale, buyers are encouraged to obtain a septic inspection, though New Hampshire does not mandate a universal point-of-sale inspection statewide. Homeowners can research applicable rules through the New Hampshire Department of Environmental Services and by contacting their town's local health officer or selectboard office. Always verify current requirements with your local health department.
Get free quotes from verified septic companies serving Grafton County, New Hampshire.
⚡ Average response time: under 2 hours