Lake-Sumter FL, Inc; HFH PO Box 186 Eustis, FL 32727-0186 Phone: (352) 483-0434 Web site | Email Building Partners: Home Builders Association of Lake County Spears and Spears General Contracting. Our blitz: As part of Home Builders Blitz 2008, HFH Lake-Sumter and their building partners are building 2 home the week of May 31-June 7.