11 verified septic companies across 10 cities in Nassau County. Compare ratings, services, and request free quotes from local providers.
Nassau County, New York is home to 11 verified septic service companies listed across 10 cities and towns in this directory. Although much of Nassau County is served by municipal sewer systems, a meaningful share of residential properties — particularly on the South Shore and in older suburban neighborhoods — still rely on private septic systems. The county sits on Long Island's glacially deposited soils, which vary considerably in drainage capacity and can affect how well a drain field performs over time. High groundwater levels in low-lying coastal areas add another layer of complexity for homeowners managing on-site wastewater systems. Whether a property needs routine tank pumping, a pre-sale inspection, or a full system replacement, the companies listed here serve communities throughout Nassau County. Browsing by city can help homeowners identify providers closest to their location.
Hempstead, NY
⭐ 5.0 (23 reviews)
West Hempstead, NY
⭐ 5.0 (11 reviews)
Carle Place, NY
⭐ 4.9 (69 reviews)
Citywide Cesspool provides cesspool, sewer, and drain services throughout Long Island, Queens, and Brooklyn, NYC. The company has been in operation for 65 years and offers 24/7 emergency service. Their residential services include cesspool and septic system pumping, maintenance, cleaning, repairs, and new installations. For commercial clients, they provide restaurant grease trap maintenance and ejector pit cleaning services. The company uses state-of-the-art equipment and employs skilled pump tr
Roslyn Heights, NY
⭐ 4.9 (44 reviews)
AtoZ Sewer Service & Drain Cleaning offers reliable 24/7 sewer and drain solutions across the greater New York area, including Nassau County, Suffolk County, Queens, Brooklyn, and Manhattan. While their primary focus appears to be on sewer and drain cleaning, clog removal, and general plumbing services, the provided content does not explicitly mention septic-specific services such as pumping, installation, or repair of septic systems. They are licensed and insured, providing high-quality and secure services to both homes and businesses. Customers consistently praise their fast, friendly, and professional approach, often highlighting their transparent pricing and efficiency. AtoZ Sewer Service & Drain Cleaning also offers financing plans, allowing clients to enjoy services now and pay later. With a 4.9-star rating and over 1,000 happy customers, they are a top-rated choice for drain and sewer needs in the region.
Glen Cove, NY
⭐ 4.9 (22 reviews)
North Shore Cesspool & Drain Corp proudly serves Long Island homeowners and businesses with reliable, professional, and affordable cesspool services. Their licensed and insured technicians are available 24/7 for emergency assistance or routine maintenance. They offer a comprehensive range of services including cesspool pumping and cleaning, septic tank cleaning, main line drain cleaning, sewer line camera inspections, cesspool and septic system installation, grease trap cleaning, chemical treatments, odor control, cesspool repairs and replacements, dry well installation and maintenance, hydro jetting services, and emergency flooding response. They provide fast, same-day service, affordable rates with no hidden fees, and environmentally safe disposal practices. North Shore Cesspool is known for honest work, dependable service, and 24/7 availability when emergencies strike, ensuring systems run smoothly and preventing future issues.
Carle Place, NY
⭐ 4.8 (1643 reviews)
Citywide Sewer-Drain & Plumbing Corp provides 24/7 emergency plumbing, sewer, and drain services to residential and commercial customers in Long Island, Queens, Brooklyn, the Bronx, and Manhattan, New York. The company has been in business for 65 years. Residential services include cesspool pumping, clogged drains, drain cleaning, plumbing maintenance and repairs, sewer line repair, sewer system backups, sump pump service, water damage cleanup, and water main repair. Commercial services include
Lynbrook, NY
⭐ 4.8 (395 reviews)
A All Plumbing Heating And Air Conditioning is a family-owned and operated HVAC company serving residential and commercial customers throughout Long Island, including Suffolk and Nassau counties. With over four decades of experience, the company provides a comprehensive range of services including heating system installation and repair, air conditioning service and maintenance, licensed plumbing, boiler repair and replacement, radiant heating, and oil to gas conversions. The team is fully licensed and insured across numerous Long Island municipalities, including the towns of Hempstead, Babylon, Islip, Huntington, Brookhaven, and Smithtown, among others. A All Plumbing Heating And Air Conditioning is known for its commitment to code-compliant work, professional diagnostics, and preventative maintenance programs designed to keep systems running efficiently year-round. The company also offers service agreements and financing options for qualifying customers. Homeowners and businesses looking for a trusted, experienced HVAC provider on Long Island can reach the Suffolk office at 631-881-5085 or the Nassau office at 516-240-5202.
Roslyn, NY
⭐ 4.7 (19 reviews)
Imperial Cesspool Cleaning Co provides cesspool and septic system services throughout Long Island, serving both Nassau and Suffolk counties. The company offers installation, repair, and pumping services for cesspools and septic systems, along with drain and line maintenance. They provide 24/7 emergency pumping services to residential and commercial customers. The company is licensed, bonded, and insured, with certified technicians who follow local codes and safety standards. They operate on a fl
Floral Park, NY
⭐ 5.0 (3 reviews)
Oyster Bay, NY
⭐ 4.2 (10 reviews)
East-Nor Cesspool Service, Inc. is a septic and cesspool service provider located in Oyster Bay, New York. The company serves the local community with maintenance, repair, and pumping services for residential and commercial septic systems. With a Google rating of 4.2 stars based on 10 customer reviews, East-Nor Cesspool Service has established a track record of customer satisfaction in the Long Island area. The company specializes in addressing cesspool and septic system issues to help property owners maintain proper waste management and system functionality.
Farmingdale, NY
Hi Tech Cesspool is a septic service provider based in Farmingdale, New York, offering expertise in cesspool maintenance and repair. The company serves the local community with solutions designed to keep septic systems functioning properly. As a relatively new listing, Hi Tech Cesspool is building its presence in the septic service industry. Homeowners and property managers in the Farmingdale area can contact the company directly to learn more about their available services and service offerings. Hi Tech Cesspool is committed to delivering reliable septic solutions to meet the needs of residential and commercial clients.
Much of Nassau County's housing stock dates to the post-World War II suburban boom, meaning many septic systems on the Island are several decades old and may predate modern design standards. The county's relatively flat terrain and proximity to the Atlantic Ocean and Long Island Sound contribute to elevated groundwater tables in certain areas, which can limit the use of conventional gravity-fed drain fields. As a result, pump-assisted systems and alternative technologies such as innovative and alternative systems approved under New York State guidelines are more common here than in inland regions. Seasonal factors also matter: heavy spring rainfall and hurricane-season storms can temporarily saturate soils, stressing older systems. Homeowners with aging systems are encouraged to schedule regular inspections rather than waiting for visible signs of failure.
Septic system permits and oversight in Nassau County fall primarily under the Nassau County Department of Health, which administers regulations for the construction, alteration, and abandonment of on-site sewage disposal systems. New York State's Department of Environmental Conservation also sets baseline standards that local programs must meet or exceed. Homeowners planning new installation or significant repairs typically need to obtain a permit before work begins, and inspections are generally required at key construction stages. For real estate transactions, buyers and sellers should be aware that some mortgage lenders and local ordinances may require a septic inspection as a condition of sale. Permit applications and current code requirements are available through the Nassau County Department of Health's environmental health division. Always verify current requirements with your local health department.
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