Keystone Development owes this fine reputation to company founder and principal, Marty Miller. With a knack for candor and an honesty seldom seen in the construction business, Mr. Miller consistently presents his clients with realistic timetables and budgets that stay on target. Since 1998, his thirty years of building experience has lead the construction of multi-million dollar custom homes, industrial developments for the United States government, and the complete retrofitting and reuse of older buildings.