A piece of Lower East Side nightlife history is up for grabs. The owners of the building that was home to restaurant/nightspot Stanton Social, at 99 Stanton St., are asking for $5.9 million via B6 Real Estate Advisors’ Jonathan Buerger and Stephen Dadourian.

The Liberty Inn – Manhattan’s most famous short-stay, hot-sheets motel, and the only one with High Line cachet – is up for sale, The Post has learned.

The owners, listed in public records as Duanco Inc., hope to fetch in the mid-$20 millions through sale brokers B6 Real Estate Advisors.

A stunning West Village boutique building — the former home of Gilda’s Club NYC — is on the market for $12.5 million, and ready for prime-time transformation into a single-family mansion.  The four-story, 11,332-square-foot property is at 195 W. Houston St. (outside of the historic district) and can be delivered vacant, say listing brokers Brock Emmetsberger and Marshall Dickson of B6 Real Estate Advisors.

The third nominated sale was the Rego Park 18 Portfolio at 98-11 Queens Blvd. and 64-33 98th St. by Thomas Donovan and Eugene Kim of B6 Real Estate Advisors along with Hudson Park Realty’s Lynette Tulkoff.

The College of New Rochelle is for sale, and the buyer can be the king — or queen — of its castle. The Westchester County school, which filed for bankruptcy last month, includes a 19th century …

The surviving family of the late restaurateur Ernest Vogliano — his widow Dolores and kids Ernest Jr., Robert and Marie — are selling two adjacent townhouses at 351 and 353 E. 62nd St. for $8.95 million.

Paul Massey for — founding a new brokerage and financing firm, B6 Real Estate Advisors.

Neigh it isn’t so. One of the city’s last horse stables is ready to ride off into the sunset. The longtime family owners of the Chateau Stables at 608 W. 48th St. are marketing the small …

During the past year, apartment building trades have flourished, particularly when there is a picture-perfect property or a high market-rate unit count. While there is more funding available for …