Business & Tech

One Dalton developer says buyer will pay a record $40 million for condo

Boston, MA - 02/01/16 - The One Dalton skyscraper under construction in Back Bay, near the Christian Science church, will be the third-tallest building in Boston. When completed, it will be a 61-story tower at Belvidere & Dalton Streets. Lane Turner/Globe Staff Section: METRO Reporter: beth healy Slug: 02dalton
Lane Turner/Globe Staff
One Dalton will be the third-tallest building in Boston when it’s completed next year.

The top of Boston’s housing market may soon get a little higher.

Developer Richard Friedman said Thursday that he has a $40 million deal in place to sell a unit in the One Dalton condo tower his Carpenter & Co. is building in the Back Bay. That sum would smash the record price for a condo in the city, set just last year when billionaire Jonathan Grayken spent $35 million for the Grand Penthouse at Millennium Tower in Downtown Crossing.

Friedman mentioned the sale in an interview with Bloomberg TV, but a spokeswoman said she couldn’t any more details. The name of the buyer was not available, and the sale likely won’t close until One Dalton opens next year.

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But it signals the continued escalation of high-end housing prices in Boston, where the 61-story One Dalton is the tallest in a string of ultra-luxury buildings to hit the market. Friedman also said that most of his buyers at One Dalton are local, rebuffing concerns in some corners that international buyers are scooping up luxury condos that they won’t often use.

Sales at One Dalton have started at about $2.5 million, Friedman said. It was not clear if the unit under contract for $40 million is the building’s most expensive, or whether the record price may eventually be surpassed by the sale of another of the tower’s condos.

Tim Logan can be reached at tim.logan@globe.com. Follow him on Twitter at @bytimlogan.