In fall 2013, the city, in coordination with the library, began a renovation of the Central Library's Johnson building. In February 2015, the first phase of renovation opened on the Johnson building's second floor, including the new Children's Library, Teen Central, a community reading area, and the Adult Reference area. The renovated second floor cost a total of $18 million. The second phase of the Johnson building renovations opened in the summer 2016 and included the first floor, mezzanine, and exterior.