Christmas holiday lighting installation servicing  Long Island NY Gappsi services the following territories on Long island NY. for both Suffolk County and Nassau County, Glen Cove, Hempstead, North-Hempstead, Oyster Bay, Babylon, Huntington, Islip, Smithtown, Brookhaven,  Southampton, Riverhead, East Hampton, Southold, Eastern Long-Island and Western long-Island Christmas holiday lighting installation company servicing both Nassau and Suffolk

Backyard And Pool Designer in Mount-Sinai NY, please contact Gappsi. This large free-form vinyl lined swimming pool was built by Gappsi in Mount Sinai, Long Island NY. This very unique layout incorporates a wooden bridge going across the narrow part of the swimming pool. A basketball hoop was installed on the side of the bridge

Masonry Design by Gappsi in West Islip, Long Island NY The back and front yard masonry design of this private residence in West Islip, NY provides functionality and accommodates all elements in its layout. This includes a U-shaped cooking island built with Nicolock adobe blend terra wall. It is covered with a PVC pergola for