from the east (tyson’s corner, herndon, reston, ashburn):

Take VA-7 west towards Leesburg. VA-7 becomes East Market Street. Pass through the intersection of Market and Plaza St, and prepare to turn left at the next stoplight onto Catoctin Circle SE. After the W&OD trail crossing, turn right the the next street, Industrial Ct SE. Our parking lot is the first drive on the right.