521 Atrium is located on Beltway 8 between Imperial Valley and Hardy Toll Road. This six-story atrium building is conveniently located with easy access to Greenspoint Mall and Intercontinental Airport. This building was built in 1980 with a recently modernized lobby area. This building is one of four properties that are available in this area and the only buildings with a website: northbelt.boxerproperty.com This six-story atrium building offers high-speed internet, a delicious hot-deli on the first floor, and a wonderful environment for your ever-expanding business. For an appointment anytime, please call (713) 777-RENT or stop by our Leasing Office located on the first floor of this building in Suite 100.