We hear… That President Barack Obama’s former student quarters when he was at Columbia University are back on the market.

For a mere $2,300 a month, this two-bedroom, one-bathroom unit with high ceilings, exposed brick and hardwood floors can be yours.

It was $360 a month when Obama moved in, in 1981 — and $2,500 a month earlier this year.

The listing broker is Dalila Bella, of Citi Habitats.

… That HGTV reality stars and brokers, Michele Kleier, Sabrina Kleier Morgenstern and Samantha Kleier Forbes are hosting a beauty bash today at their $14.5 million, 6,000-square-foot, seven-bedroom duplex listing at the Aldyn, at 60 Riverside Drive.