Welcome The W.C. and A.N. Miller Development Company is a privately held company, with main offices located in Bethesda Maryland, that has been serving the Washington DC Community since 1912. Beyond its portfolio of commercial developments, W.C. and A.N. Miller is known for building some of the most prestigious residential communities in the Washington DC area. These include Wesley Heights, Spring Hill, Spring Valley, Sumner, Overlook, Potomac Falls, Spring Meadows, and Spring Ridge. We are proud to be serving the community since 1912. We look forward to serving your real estate needs for another 100 years!