West Islip NY Need a Landscape and Masonry Company. Gappsi Offers full Services from Design to Installation This backyard is designed and constructed by Gappsi in West Islip, Long island NY 11795. The layout incorporates a 18×36 gunite swimming pool rectangular shape. The swimming pool is only 6 feet deep and is a non-diving pool, thus

Letter From the customer. Giuseppe and his staff at Gappsi helped us to create our own vacation resort right in our backyard. The quality, attention to detail, and craftsmanship of his work was truly outstanding. He and his team were exceptionally professional and respectful as well as attentive to all of our needs and concerns.

Suffolk County 27543-H1 9-10-99 to present, 15435-H1 7-1-88 to 7-1-97  Nassau County H2209100000  Southampton L002384  NYC and The Five Boroughs 1321423

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