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. Such 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.