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ARMONK, N.Y. (AP) -- Now that they're empty-nesters, Ron Howard and his wife have sold their nest straddling the New York and Connecticut state line for $27.5 million.

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Howard and his wife, Cheryl, bought the Conyers Farm estate in Greenwich, Connecticut, and Armonk, New York, in 1991 and spent years constructing the house and outbuildings. The main house outside of New York City is more than 17,000 square feet and has six bedrooms, a swimming pool and a home theater.

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There's a 2,500-square-foot guest house, a "sports barn" with a tennis court and actual barns for horses. The Wall Street Journal reports the sale closed Thursday. The buyer has not been identified.

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The Howards have said they were selling because they travel frequently and their four children are grown.