301-370-6463. House renovation, bethesda custom contractor. Bethesda custom architect br for our Bethesda, Rockville, Chevy Chase, Silver Spring, McLean, Arlington, Falls Church, Great Falls and Potomac neighborhoods. Home designs that are in character with the existing architecture. Bethesda new renovations. Set up a visit to see these new homes now. Call now for our special report where we reveal a little known secret we builders use to get Uncle Sam to fund part of your new home built on a tear won lot. Just last year we had 8 home building clients combined get a total of over $372,000 of tax credits using this tactic.