Welcome to John McGowan & Sons, Inc.

John McGowan & Sons, Inc. is a family-owned and operated construction company located in Sea Cliff, NY. It was established in 1928 by John McGowan Sr. Currently in business for 89+ years, the company carries on his tradition of dedication to customers and had become unsurpassed in satisfaction ratings and referrals.

image of custom patio construction in NYSuch determination to exceed the customers’ expectations has made John McGowan & Sons, Inc. Long Island’s preferred commercial, industrial, municipal and residential contractor for all types of outdoor construction projects. John McGowan & Sons, Inc. serves Nassau, Suffolk and Westchester counties and specializes in asphalt paving, concrete work and masonry, drainage and sanitary system installations, excavation and site work among many other services. The longstanding track record of major projects includes new construction, restoration and maintenance of all types of grounds.

“We remain focused on our two greatest assets which are our people and our integrity. The genuine care that we have for our customers and employees greatly enhances our ability to deliver quality projects on time and within budget”, adds John McGowan.

At John McGowan & Sons, Inc., we ensure complete satisfaction of all of our customers and offer a ONE YEAR GUARANTEE ON ALL OUR WORKMANSHIP!

“Our competitive advantage comes from what our grandfather, John McGowan Sr., taught us”, the McGowan brothers explain. They are convinced that following his example has allowed them continued success today. Their grandfather worked with a simple, yet powerful belief in mind: “What people say after you are done with the project and gone is your standing in the community. There is always time to do it right!”

Please keep John McGowan & Sons, Inc. in mind for any commercial, industrial, residential or municipal construction work. We appreciate the opportunity to bid on your future projects.


Contact us for a free, no obligation estimate now.