Harold Mcmahon Plumbing & Heating Inc

Nov 23, 2025 11:38 AM

518 Montauk Highway
Amagansett, NY (New York) 11930-2110
(631) 267-3****

Business Details

ONE CALL DOES IT ALL! 65 years Since 1950 Harold Mcmahon (Owner) (631) 267-7791 (Fax)

Payment Method:
Serving the Areas:	Serving The East End
Products:	Radiant Heat, Water Filtration Systems
Services:	Plumbing Heating & Cesspool Service, Video Camera Can Locate Your Problem, Immediate Emergency Service, Water Heaters Installed, Gas-Oil-Electric & Tankless, Sink & Toilet Repairs, Piping Repairs, Sewer & Drain Lines, Bathrooms & Kitchen Renovations, Outside Showers & Hose Bibs Installed, Rpz Device Installed & Tested, Electrically Cleaned, Radiant Heat, Hot Water Heat, Oil To Gas Conversions, Winterizing, Boiler Installations, Water Filtration Systems, 24 Hour Emergency Service, Alterations, Camera Inspection & Locating, Cctv Inspection, Fiber Optic Inspection, Home Improvement, Modernization, Renovations, Televised Inspection, Tv Inspections, Upgrades
Brands:	Residential, Commercial
Specialties:	Bathrooms, Kitchens, Showers, Sinks & Faucets, Toilets, Commodes, Lavatories, Stools
Special Hours:	Emergency Services
General Content:	If You Desire Prompt & Efficient Service You Deserve Us. , National Grid Participating Installer, Our State Of The Art, Water Cop Installer, You Are Our #1. Priority Serving The East End, 180210Attr:gas Piping
Sales Volume:	1M - 2M
Employee Size Range:	10-19
Franchise/Chain:	Standalone
Fortune 500:	No

Additional Categories

Harold Mcmahon Plumbing & Heating Inc is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

Cesspool Building & Service
Plumbing Repair & Service

North American Industry Classification System (NAICS) Categories:

Plumbing, Heating, And Air-Conditioning Contractors > Septic Tanks & Systems > Cesspool Building & Service
Plumbing, Heating, And Air-Conditioning Contractors > Plumbing Contractors > Plumbing Repair & Service
Septic Tank And Related Services > Septic Cleaning > Cesspool Service & Cleaning

Standard Industry Classification (SIC) Categories:

Plumbing, Heating And Air Conditioning > Septic Tanks & Systems > Cesspool Building & Service
Plumbing, Heating And Air Conditioning > Plumbing Contractors > Plumbing Repair & Service
Repair Shops And Related Services, Nec > Cleaning Services > Cesspool Service & Cleaning

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