4001 North Fairfax Drive was built in 1989. The building is in the heart of the Ballston neighborhood. It is a multi-tenant building consisting of 182,304 square feet. The building consists of an eight-floor office tower and a two level parking garage. Onsite amenities include a renovated lobby, new light-flooded, above-ground fitness center, charming outdoor plaza with Wi-Fi and sitting areas. A new tenant only lounge and conference center exist on the second floor. The location of the building allows for easy access to the Ballston metro station.