Mill Valley is a residential subdivision of detached, single family residences built ca. 1978 through 2000. Median age is ca. 1996. Median lot size is slightly less than 1/2 acre. Median interior living space is approximately 2,700 sq. ft. A typical home has 4 bedrooms, 2-1/2 baths, full basement, and 2-car, attached garage.
Access to the Mill Valley neighborhood is from Wolfert Station Road (Route 664) or Bridgeton Pike North (Route 45) onto David Drive.