Locust Valley (Main) Oyster Bay Manhasset
516-671-1122 516-922-1122 516-365-4433
HomeAbout UsContact UsPlumbing  & Heating Services

Deegan Plumbing is a full service plumbing and heating company. Presently, the company has twelve employees. Ninety percent of our plumbers have over 25 years of experience with 2 plumbers having over 40 years of experience. Three of our plumbers are New York State certified backflow testers. Some of the plumbing services we offer are repairs, backflow installation and testing, alterations and renovations and new construction. Some of the heating jobs we offer are radiant heat installation, boiler work and new gas installations.

Over the years, we have done just about every plumbing & heating job you can think of, so if you donít see what youíre looking for, just give us a call. We are available to discuss and offer you free estimates on any plumbing or heating work that you need.

Our work is always fully guaranteed.

Whether it is putting a washer in your faucet, remodeling your bathroom, installing a new heating system or building a new house, Deegan Plumbing hass the plumbers to call for all your plumbing and heating needs. We offer prompt and courteous service and look forward to offering you our expertise in the plumbing and heating industry.

Our work will always look beautiful and work properly, whether itís a new bathroom or a boiler room.

Deegan Plumbing predominantly serves the plumbing and heating needs of the North Shore of Long Island.

We often do work in Asharoken, Bayville, Bethpage, Carle Place, Centerport, Centre Island, Cold Spring Harbor, Cove Neck, East Hills, Farmingdale, Garden City, Glen Cove, Glen Head, Great Neck, Great Neck South, Halesite, Hicksville, Huntington, Huntington Bay, Jericho, Kensington, Kings Point, Lake Success, Lattingtown, Laurel Hollow, Lloyd Harbor, Locust Valley, Manhasset, Manorhaven, Mill Neck, Mineola, Munsey Park, Muttontown, Northport, Old Westbury, Oyster Bay, Oyster Bay Cove, Plainview, Plandome, Port Washington, Roslyn, Roslyn Estates, Roslyn Heights, Sands Point, Sea Cliff, Syosset, Thompson, and Westbury. If your city wasnít listed, donít worry, we probably do work there as well! Just give us a call.

No job is too big or small, call Deegan Plumbing for fast & reliable service.
Richard P. Deegan Plumbers are known for quality and trustworthy Long Island Plumbing work, specifically North Shore Plumbing work. If you need a Nassau Plumber, a Suffolk Plumber, or a North Shore Plumber, look no further than Deegan Plumbing. We specialize in boiler repair, backflow inspection, clogged drains, and radiant heat installations. We carry a full range of plumbing & heating supplies including Weil Mclain boilers, AO Smith water heaters, Kohler faucets, American Standard faucets, Grohe faucets, Delta faucets, & Moen faucets.
298 Forest Avenue 19 Spring Street 8 Hillcrest Avenue
Locust Valley, NY 11560 Oyster Bay, NY 11771 Manhasset, NY 11030
(516) 671-1122 (516) 922-1122 (516) 365-4433