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.
Deegan Plumbing
Preferred PartnerServices
- Heating & Cooling Services