Halcyon To Horse Farm: The 3 Most Expensive Properties Sold In The Greater DC Area In 2026

• May 4th

by UrbanTurf Staff

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The greater DC luxury housing market's most expensive recent sales in 2026 span the full geographic and stylistic range of the DMV — from a centuries-old Georgetown mansion that just rewrote the District's price ceiling, to a sprawling equestrian estate in Virginia's hunt country. Below, UrbanTurf takes a look at the three priciest homes to sell in the region this year.

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#1 -- Halcyon House Breaks A Record

The most expensive home ever sold in DC closed in February to a familiar face around the city. 

Washington Commanders owner Joshua Harris and his wife Marjorie purchased Halcyon House, a 30,000 square-foot estate in Georgetown, for $28 million in an off-market transaction. The sale set a new record for the priciest residential sale in the District, eclipsing the previous record of $25 million set just over a year ago when a 16,250 square-foot home on Foxhall Road NW — formerly owned by Fox News anchor Bret Baier — changed hands in December 2024.

Built in the late 1700s by Benjamin Stoddert — the first Secretary of the Navy — Halcyon House features gardens designed by Pierre Charles L'Enfant, the architect of the city's street plan. The home has passed through storied hands over the centuries, among them Mark Twain's nephew.

More recently, Halcyon House served as the headquarters for Halcyon, a nonprofit startup accelerator founded by Dr. Sachiko Kuno. According to the Wall Street Journal, which first reported the deal, Harris plans to restore the Prospect Street NW property to its original use as a single-family home — a fitting next chapter for one of the region's most historic residences.

Mark and Hunter McFadden of Compass represented the seller; Harris was represented by Daniel Heider of TTR Sotheby's International Realty.

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#2 -- The Llangollen 

If Halcyon House represents the pinnacle of DC's urban legacy, the sale of Llangollen speaks to the other side of the region's past. The 1,100-acre estate in Upperville sold in February for $21.35 million.

Built in the 1700s, Llangollen passed through generations of Virginia families before landing, in the late 18th century, in the hands of Supreme Court Chief Justice John Marshall and his brothers — who built portions of the main residence around 1795. The oldest section of the home dates to that period, with the primary residence following in the 1830s. In the centuries since, the estate has served as a fox hunting ground, a Thoroughbred breeding center, and a polo club.

Beyond the main residence, Llangollen features a mile-long driveway, seven tenant homes, an equestrian training center, horseshoe-shaped stables, a jockey house, a blacksmith shop, a barbecue pavilion, a garage with a two-bedroom apartment, and four polo fields. 

Anita Sisney and William Lowe represented the seller and Mary Ann Mcgowan represented the buyer. 

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#3 -- Another Horse Farm Just Down The Road

It has been a popular year for horse farm sales.

Just down the road from Llangollen, Ayrshire Farm — the sprawling 571-acre property long owned by Cisco Systems co-founder Sandy Lerner — also sold in February for its full list price of $19.8 million.

Lerner purchased the property in the mid-1990s and spent decades transforming it into one of Northern Virginia's most celebrated working farms, centered on heritage-breed livestock, orchards, and regenerative farming practices. The manor house, dating to 1912, runs approximately 17,000 square feet and retains its original fieldstone walls, cypress windows, and 12 fireplaces — all carefully preserved through an extensive restoration. The estate also includes stone barns, staff housing, greenhouses, a glass-enclosed conservatory, and a series of interconnected farm buildings.

For buyers with an eye for film history, Ayrshire carries an extra distinction: Alfred Hitchcock used the property as a filming location for his 1969 thriller Topaz.

The listing was held by Daniel Heider and Laura Farrell of TTR Sotheby's International Realty. Michael Rankin of Sotheby's represented the buyer. 

This article originally published at https://dc.urbanturf.com/articles/blog/halcyon_to_horse_farm_the_3_most_expensive_properties_sold_in_the_greater_d/24587.