Deegan Plumbing has over 53 years of experience in the Long Island Plumbing industry. We are a 3rd generation family-owned company that you can trust to do reliable, high quality plumbing and heating work. Located in Locust Valley with offices in Oyster Bay and Manhasset, Deegan services all of Long Island's plumbing & heating needs. 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.
Richard P. Deegan & Son Inc was started in 1956 by Richard Deegan. The business offered plumbing and heating services in the areas of Locust Valley, Glen Cove, Sea Cliff and many of the other small towns on the North Shore of Nassau County. The business operated with three employees out of their Locust Valley office but expanded when Richard's son Paul joined the business in 1973. In the late 1970's, Deegan Plumbing acquired Manhasset Plumbing thus expanding its customer base to the Manhasset and Great Neck areas.
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.
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