Still Rising: Spec Houses Worth $20 Million

Enzo Morabito, a luxury real estate broker in New York's Hamptons, saw a line of people at his open house on Aug. 29. The property was a new, $25.95 million spec home by Michael Davis Design & Construction at 232 Parsonage Lane in Sagaponack, N.Y.—the country's most expensive small town, according to Businessweek.com. By the end of the day, more than 75 people had passed through the mansion. "That is an extraordinary turnout," says Morabito, executive vice-president of Prudential Douglas Elliman Real Estate in Bridgehampton, N.Y. Equally surprising, given the tough environment for builders: This is Michael Davis' biggest and most expensive house ever.

Amid concerns about unemployment, an uneven housing rebound, and difficulty getting financing, some elite developers continue to build ultra-luxury homes on spec—for sale on the open market, not for an owner. Some cost even more than the residences they built during the housing boom. In high-end markets such as the Hamptons, Beverly Hills, Calif., Palm Beach, Fla., and Aspen, Colo., a number of new spec houses have entered the market this year in the $20 million range. A few are asking for far more.

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