NY Based Real Estate Development firm Hidrock Properties announced today that they’ve signed bakery chain Insomnia Cookies to its first Brooklyn store at 32 Fifth Avenue in Park Slope, Brooklyn.. Hidrock is finalizing their $3mm gut renovation of the 3-story mixed-use building located on the corner of Fifth Avenue and Dean Street, which includes a 500 SF corner space and 1,100 SF inline space. The bakery signed a 10-year lease for the corner.