Camden County Freeholder Jeffrey Nash called 11 Cooper Street "the consequence of the revitalization" taking place in Camden. More: Partnership plans 156 new apartments on Camden Waterfront ...

Courtesy / F.O. Bailey The 19th century Knox Mill, now an apartment complex, sold for $6.5 million as an attractive value-add opportunity. The smokestack is used as a cellphone tower.

Houston, along with Washington, Atlanta and Dallas, are the largest markets for Camden, which owns interests in and operates 164 properties totaling more than 56,000 units across the United States.