The five highest-priced home sales publicly reported in the Washington, D.C. metro area for the week ending August 9, 2026 combined for $27.29 million. Leading the list was Under Oak, a historic Northwest Washington estate that changed hands for $8,750,000.
The week’s list reaches well beyond the District: alongside two closings in Northwest Washington, it takes in a seven-bedroom home in Alexandria, newly built construction in Rockville, Maryland, and a 224-acre farm along the Shenandoah River in Boyce, Virginia.
RealtyWireβs Top 5 ranks the five highest-priced residential closings it identified in the Washington, D.C. metro area for the reporting week. It may omit private, delayed, nondisclosed, or otherwise unreported transactions.
No. 1 — $8,750,000 · 4220 Nebraska Ave NW, Washington, D.C.
The week’s top sale closed on August 7, 2026, when Under Oak, a historic estate at 4220 Nebraska Avenue NW in Washington’s American University Park area, sold for $8,750,000. The property occupies a 2.27-acre double lot reached by a long private drive. The stone-and-stucco residence, topped by a slate roof, is described in the listing as a French Norman Revival design completed in 1927 by architect Victor Mindeleff, though the property’s recorded year built is 1971, and RealtyWire has not independently confirmed either date.
The grounds include mature specimen trees, landscaped gardens, terraces, and a swimming pool, along with several accessory buildings, among them a gatehouse, a pool house, and garages. According to the listing, the estate has been expanded over the years in a manner intended to preserve the original architecture, and the parcel includes an additional recorded lot that brings the total to 2.27 acres. The home is reported with 11 bedrooms and 10 baths; no square footage figure was included in the reported data.
Sassy Jacobs of Washington Fine Properties, LLC was the listing agent.
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No. 2 — $8,590,000 · 1823 Phelps Pl NW, Washington, D.C.
In Kalorama, the residence at 1823 Phelps Place NW closed for $8,590,000 on August 7, 2026. The six-bedroom, eight-bath home spans a reported 8,158 square feet across four levels, all served by an elevator. Built in 1905, it was designed in the Romanesque Revival style associated with architect Henry Hobson Richardson and, according to the listing, was originally constructed for the president of the Lincoln National Bank.
Interior details include original paneling and a coffered ceiling in the foyer, ceilings of more than 11 feet, restored pocket doors, and a kitchen equipped with Sub-Zero, Viking, and Bosch appliances. The second level holds the owner’s suite with a gas fireplace, marble bath, and a room-sized dressing room, while the lower level adds a media room, gym, in-law suite with separate entrance, temperature-controlled wine cellar, and two-car garage.
Marin Hagen and Sylvia Bergstrom of Coldwell Banker Realty were the listing agents. Michael Rankin of TTR Sotheby’s International Realty represented the buyer.
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No. 3 — $3,400,000 · 1301 Kingston Ave, Alexandria, Virginia
In Alexandria, Virginia, the seven-bedroom house at 1301 Kingston Avenue closed for $3,400,000 on August 7, 2026. The listing describes the property as a 2005 custom rebuild, while its recorded year built is 1963; the six-bath home offers a reported 7,430 square feet on a landscaped lot along a street with no through traffic.
The kitchen features marble and granite countertops, custom inset cabinetry, Sub-Zero refrigeration, and a large center island, and opens to a family room with vaulted ceilings and one of the home’s four fireplaces. A screened porch with a gas fireplace, a main-level guest suite, and a fully finished lower level with two recreation rooms and an au pair suite round out the interior. At the end of the street, the property has direct access to Forest Park and the Chinquapin Park trail network.
Melissa Shelby of Compass was the listing agent. Christine Garner of Serhant represented the buyer.
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No. 4 — $3,299,000 · 11313 Marcliff Rd, Rockville, Maryland
In Rockville, Maryland, new construction at 11313 Marcliff Road sold for $3,299,000 on August 5, 2026. Built by Aarden Design & Build in the Luxmanor neighborhood, the home is described in the listing as a seven-bedroom estate with six and a half baths, and carries a reported 8,400 square feet on a 0.65-acre homesite.
The main level features 12-foot ceilings, wide-plank white oak floors, a kitchen with a waterfall island and Sub-Zero, Wolf, and Cove appliances, and a separate 12-by-20-foot catering kitchen. An elevator serves all levels, and a main-level in-law suite, a screened porch with an outdoor kitchen and stone fireplace, a wine cellar, and a lower-level flex room prewired for a golf simulator or home theater are among the amenities. The three-car garage is prewired for electric-vehicle charging, and the listing notes a whole-house air purification system.
Ms. Toni Gage of TTR Sotheby’s International Realty was the listing agent. Ellen Quach of EQCO Real Estate Inc. represented the buyer.
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No. 5 — $3,250,000 · 9533 Howellsville Rd, Boyce, Virginia
Rounding out the list is Idlewild River Farm at 9533 Howellsville Road in Boyce, Virginia, which sold for $3,250,000 on August 3, 2026. The 224-acre property, which the listing places about 90 minutes from Washington, includes 1.7 miles of Shenandoah River frontage, roughly 120 acres along the water, fenced pastures, and 100 wooded acres rising to an 800-foot ridgeline across Howellsville Road. The land is protected by a Virginia Outdoor Foundation conservation easement.
The Federal-style brick residence was reconstructed in 2009 on the site of the original circa-1853 Idlewild home, whose exterior style it maintains, according to the listing. The four-bedroom house offers a reported 4,000 square feet, wide front and rear porches, a main-level primary suite added in 2012, and a roof deck with a hot tub overlooking a pond with the Blue Ridge Mountains beyond.
Rachael Duvall of TTR Sotheby’s International Realty was the listing agent. Laura Farrell of TTR Sotheby’s International Realty represented the buyer.
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RealtyWire selected these transactions from publicly reported residential sales identified for the calendar week ending Sunday, August 9, 2026. The report may exclude private, off-market, delayed or nondisclosed transactions. Prices, property details and professional representation are reported as available at publication and may be updated following confirmation from transaction participants.
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