Reality television celebrity Bethenny Frankel has found a buyer for the Tribeca apartment that figured prominently in the story lines of several shows she has appeared on.

“The Real Housewives of New York City” star listed the four-bedroom loft last week for $6.95 million, and it is now in contract to sell for its asking price, Ms. Frankel told The Wall Street Journal, though she declined to identify the buyer.

After...