Skip to main content
Gallagher Construction has been in business for over 5 years serving the Northport, NY and surrounding Suffolk County and Long Island areas. Dennis and his team do everything and anything from custom home builds to renovations. Call today for a quote and more information.

Featured Projects

Get A Quote Today

We care about your privacy. Please don’t submit sensitive information such as social security numbers, credit card or bank information.
I agree that Dennis Gallagher Construction can email and call me in response to my inquiry, as well as with tips and offers for similar services.