8 verified septic companies across 5 cities in New Castle County. Compare ratings, services, and request free quotes from local providers.
New Castle County, Delaware is home to 8 verified septic service providers listed across 5 cities in our directory. Although much of the county's northern corridor is served by municipal sewer systems, a notable share of residential properties—particularly in suburban fringe areas and older rural communities to the south—rely on private septic systems. The county's mix of clay-heavy soils and a relatively high seasonal water table in low-lying areas near the Christina River and its tributaries can affect drain field performance and may shorten the effective life of conventional gravity systems. New Castle County's Department of Land Use oversees development and land-related permitting, which brings septic considerations into the broader framework of local code compliance. Homeowners searching for pumping, inspection, repair, or new installation can use this directory to locate service providers operating in Wilmington, Newark, Bear, and other listed communities throughout the county.
Newark, DE
⭐ 4.9 (403 reviews)
Middletown, DE
⭐ 4.9 (92 reviews)
Wilmington, DE
⭐ 4.8 (1985 reviews)
Delaware Plumbing Professionals is a local plumbing company serving the Tri-State area, including New Castle County, DE, Cecil County, MD, and Chester County, PA. The company offers comprehensive plumbing services including water heater repair and replacement, sewer and drain cleaning, water and drain line repair, sewer line repair and replacement, water service and replacement, well pump repair and replacement, toilet repair and replacement, sump pump repair and replacement, faucet repair and i
Newark, DE
⭐ 4.8 (44 reviews)
Honesty Services LLC is a licensed, insured, and bonded plumbing and septic company serving Newark, Delaware, and the surrounding region, including Wilmington, New Castle, Middletown, Bear, Hockessin, and parts of southeastern Pennsylvania. With over 20 years of experience in the plumbing industry, the company provides residential and commercial services including sewer and septic work, general plumbing repair, clogged drain clearing, and tankless water heater installation. Honesty Services LLC backs all completed work with a guarantee and treats every customer with personalized attention rather than a corporate approach. The company offers 24-hour emergency service, ensuring that professionally trained technicians are available when urgent plumbing or septic issues arise. Honesty Services LLC also extends a 10 percent discount to senior citizens and military veterans. The team is reachable by phone at 302-690-2433 and is located at 2213 Ogletown Road, Suite E, Newark, DE 19711. Regular business hours run Monday through Friday, 8 a.m. to 4 p.m., with emergency availability around the clock.
Wilmington, DE
⭐ 4.7 (112 reviews)
Wilmington, DE
⭐ 5.0 (113 reviews)
Hernandez Sanitation Services is a highly-regarded septic service provider based in Wilmington, Delaware. With an impressive 5.0 Google rating backed by 98 customer reviews, the company has established a strong reputation for reliable and professional septic system maintenance and repair. Serving the local community, Hernandez Sanitation Services is committed to delivering quality workmanship and dependable service. Their consistent positive feedback reflects customer satisfaction and trust in their expertise. For residents and businesses in the Wilmington area seeking septic system solutions, Hernandez Sanitation Services stands out as a preferred local choice.
Bear, DE
⭐ 5.0 (1 reviews)
Tyson F. Sartin, Inc. is a concrete fabrication company based in Bear, Delaware, serving the Greater Delaware area including Eastern Maryland, Southeastern Pennsylvania, and parts of New Jersey. With over 20 years of experience in the industry, the company specializes in on-site custom concrete fabrication and a wide range of septic system components. Their inventory includes septic tanks in standard and custom sizes, septic tank lids, concrete risers, distribution boxes, cesspool tanks, splash blocks, well tops, parking bumpers, cement barricades, transformer pads, and fence and survey posts. All septic tanks meet or exceed state installation specifications. Tyson F. Sartin, Inc. also offers installation services for new septic tanks and can handle both standard orders and large custom fabrication projects. Products are available for delivery throughout the region. The company operates out of 4376 Kirkwood St Georges Road, Bear, DE 19701, and can be reached by phone at (302) 834-4571 during regular business hours.
St. Georges, DE
⭐ 4.9 (418 reviews)
Big Red Services is a licensed home services company serving Delaware, including New Castle County, Kent County, and Sussex County, as well as Maryland's Eastern Shore. The company offers a wide range of residential and commercial services, including septic services, plumbing, HVAC, and electrical work. Their plumbing services cover drain cleaning, water heaters, well pump repair, sump pump repair and installation, toilet installation, and faucet replacement. On the HVAC side, they handle heating installation and repair, furnace tune-ups, boiler repair, heat pumps, AC installation, repair, and maintenance, as well as ductless mini splits and ductwork design. Electrical offerings include installation, repair, residential electric, and pool services. Big Red Services also provides commercial plumbing, commercial HVAC, and commercial electrical services. The company can be reached by phone Monday through Friday from 8 a.m. to 5 p.m. Homeowners and businesses throughout the Delaware region looking for a dependable, multi-trade contractor can contact Big Red Services to schedule service.
New Castle County, Delaware contains a diverse mix of housing stock, ranging from older homes built before modern septic codes in semi-rural southern portions of the county to newer subdivisions where engineered systems were required at the time of construction. Conventional gravity-fed septic systems remain the most common type in established residential areas, but pump-up systems and pressure-dosed alternatives are frequently found on properties with shallower soil depths or elevated seasonal water tables. The county's relatively humid Mid-Atlantic climate, with wet springs and periodic heavy rainfall, can saturate drain fields and stress older systems. Homes on larger lots in communities outside the primary sewer service zones often have aging tanks that may require more frequent monitoring. Understanding whether a property uses a gravity system, a mound system, or an alternative treatment unit is an important first step before scheduling any service call.
Septic system permitting and oversight in New Castle County, Delaware involves coordination between the county and the Delaware Department of Natural Resources and Environmental Control, commonly known as DNREC. DNREC's Division of Water sets baseline standards for onsite wastewater treatment systems statewide, while New Castle County's Department of Land Use handles local permits related to construction, replacement, and significant repairs of septic systems. At the point of sale, buyers and lenders often request a septic inspection, though Delaware does not universally mandate a seller-funded inspection at closing; practices can vary by transaction. Homeowners seeking to understand which permits apply to their property should contact both the county Land Use department and DNREC directly, as jurisdiction can depend on the type and scope of work planned. Regulations covering setback distances, system sizing, and soil evaluation requirements are subject to periodic revision. Always verify current requirements with your local health department.
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