The Washington Commanders may have missed out on making the NFL playoffs this year, but the team’s owner just made a touchdown in the world of real estate.

Joshua Harris, the billionaire owner of the D.C. team, has shelled out $28 million for the landmarked Halcyon House in the city’s Georgetown neighborhood, The Wall Street Journal reported recently. The transaction is the most expensive residential sale in D.C. history, beating the previous record of $25 million that Secretary of Commerce Howard Lutnick paid for Bret Baier’s former amenity-packed mansion.

Halcyon House was built in 1786 for Benjamin Stoddert, the first secretary of the Navy, and it’s been on the National Register of Historic Places since 1971. The massive property spans 30,000 square feet and sits on a half-acre parcel. Inside, there are 12 bedrooms and 22 bathrooms, and a $12 million restoration has preserved the home’s Federal-style flourishes. Outside, meanwhile, there’s a pool overlooking the city; you can also spot the Potomac River in the distance.

In recent years, Halcyon House hasn’t served as a house at all—the seller, Sachiko Kuno, used the property as the headquarters for a nonprofit accelerator program supporting social-impact ventures. “I’m grateful to have been a steward of such a special property for 15 years, and for it to have done so much good for entrepreneurs,” Kuno said in a statement to the WSJ. She and her former husband paid just $11 million for the building back in 2011.

Harris, however, plans to turn the mansion back into a single-family residence, according to the WSJ. A spokesperson for Harris said that he and his wife will continue to live primarily in Miami, but that he spends a lot of time in the nation’s capital given his ownership of the Commanders. Mark and Hunter McFadden at Compass represented the seller in the sale, while the buyer was represented by Daniel Heider of TTR Sotheby’s International Realty.

In the past few years, D.C. has become a city teeming with billionaire property owners, with Harris being just the latest to snap up a piece of prime real estate. Everyone from tech moguls to hedge funders wants to be at the center of American decision-making, and where better than the capital? While he may not be spending all of his time there, Harris is now part of a D.C. cohort that includes Mark Zuckerberg, Jeff Bezos, and Peter Thiel.

Click here to see all the images of Halcyon House.