Precision Auto is very easy to get to. We are located on the corner of Middlebrook Rd and route 118. Our address is 12811 Middlebrook Rd. Germantown Maryland, 20874. For a map and driving instructions to Precision Auto please Click Here. For further assistance in finding us please call (301) 428-3447. Our hours of operation are Monday-Thursday 8 am - 6 pm. Friday 8 am - 5:30 pm and Saturday 9am - 4pm (by appointment only).