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Top-Rated Local Backflow Prevention Companies in New York, NY

(Last Updated In: February 13, 2026)

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Serves New York, NY

Liquid Tech Plumbing & Heating Inc. provides professional plumbing and heating services throughout New York City. They specialize in gas leak detection and repair, plumbing installations, heating system maintenance, and emergency services. With licensed technicians and modern equipment, they deliver reliable solutions for residential and commercial properties.

Serves Richmond Hill, NY
37 years of experience

Victory Plumbing & Heating Inc. is a family-owned NYC Licensed Master Plumber with over 35 years of experience serving Manhattan, Queens, and Brooklyn. They provide leak detection, water heaters, fixture installation, sewer line repair, gas line work, kitchen and bathroom renovations, boiler installations, violation removals, RPZ testing, and oil-to-gas conversions. The Queens-based company is known for reliability, integrity, and professional service.

Serves Queens, NY
37 years of experience

Master Plumbing & Heating, established in 1989, is a family-run business fully licensed and insured in New York City and Nassau County. With over 25 years of experience, they provide residential plumbing and heating installation, radiant and gas heating systems, handicap accessible bathrooms, commercial plumbing, and fire sprinkler systems. The company is known for competitive pricing and quality workmanship.

Serves Bronx, NY

Pelham Plumbing & Heating Corp. provides professional plumbing and heating services in the Bronx and surrounding NYC areas. The company offers residential and commercial plumbing repairs, installations, and heating system maintenance.

Serves New York, NY

PSI Plumbing, Inc. operates in the five boroughs of New York and New Jersey with offices in Manhattan and Fairfield, NJ. They hold NYC Master Plumbers License #2375, NYC Fire Suppression License #636B, and NJ Master Plumbers License #12348. Specializing in commercial and industrial plumbing, they serve hotels, hospitals, office buildings, and NYC schools with pump services, commercial alterations, and backflow prevention.

Serves Brooklyn, NY

Perfect Plumbing & Piping provides water heater installation, plumbing pipe repair, commercial services, heating repairs, and emergency services in New York City. They work with copper, PVC, and PEX materials and offer a three-step service process: online booking, expert technician dispatch, and in-home service completion with a satisfaction guarantee.

Serves New York, NY
85 years of experience

Schaaf Plumbing & Heating is a family-owned plumbing and heating service provider established in 1941 in Ridgefield, NJ. Operating for over 75 years, they serve residential and commercial clients throughout Bergen County. They offer 24/7 emergency service and distinguish themselves through project pricing, charging by the job rather than hourly rates with transparent upfront costs.