Harry Einhorn secured a $25 million refinancing land loan from Be Aviv for a 188-unit development at 85 4th Avenue in Park Slope, Brooklyn. The 12-story, 132,806-square-foot residential building, is currently under construction. The previous loan was $23 million from Axos Bank. The property, zoned C4-4D, has a city market value of $2.2 million and includes seven rent-regulated units.