In a 1.5-mile corridor near the Milwaukee River, from Juneau Avenue and Old World Third Street in downtown Milwaukee to the intersection of North Water Street and Humboldt Avenue on the East Side, there are three apartment developments under construction, and another that was just completed, with a total of 566 units. Four other projects planned for the area could add another 200 units. Read more in the Real Estate Spotlight column in the latest edition of the BizTimes Milwaukee magazine.