The Boston-based firm received the latest round of funding from existing investors Wavecrest Growth Partners, River Cities Capital Funds, MassMutual Ventures and Camber Creek Ventures. The same investment group, led by Wavecrest Growth Partners, provided Building Engines $26.5 million in 2016.

"Today's news is a positive step in the right direction for all of the communities that sit on the Raritan Valley Line," said State Senator Nicholas Scutari. "One seat ride is critical for the continued economic growth of our region."

The outline of the preliminary community plan includes 360 residential units in a mix of affordable and market rate, 800,000 square feet of commercial and office space, and a multi-modal transit plaza.