Cornerstone Improvements

Cornerstone Improvements LLC works with homeowners and businesses throughout Garden City who want to make better use of their outdoor spaces without dealing with insects or harsh weather. Whether you're looking to enclose a porch, add a sunroom, or install a garage screening system, the focus is always on quality materials and installation that lasts. The company brings experience with trusted brands and a comprehensive approach that goes beyond screening to include remodeling, electrical work, plumbing, and routine maintenance.