Cornerstone is a family owned Tampa Custom Home Builder and we have been continuously in the custom home on your lot home building and remodeling business since 1984. Stephen Bronstein, President, is a Certified Class "A" General Contractor and home designer. He has been building and drawing homes using Autocad since 1981. Dating back to 1972, he also has substantial experience in residential and commercial construction. Steve meets with each client, draws their plans in state of the art 3D using Revit, an Autocad product, helps the client with specifications and supervises construction.