View Photo Gallery: The Washington Post’s picks of local distinguished homes on the market.

Think of it as a month-long open house. The D.C. Design House, which is open to the public until May 13, is on the market for $3.9 million.

“It’s the cornerstone of Spring Valley,” said Daryl Judy of Washington Fine Properties.

The home, which was built in 1956, has seven bedrooms, as well as a three-story sunroom (formerly a ballroom) and a customized stone fireplace in the backyard.

View Photo Gallery: A spring tradition in Washington is the D.C. Design House makeover of a prominent home in the District. This year, a house that has been in the same family since the 1950s was made-over by 23 local designers and landscapers.

The displayed furniture is not included in the cost of the house, but the new owners will get to enjoy the home’s freshly-painted walls — which range from bright orange to black — and upgraded installations in the kitchen and bathrooms.

“It looks like a completely new house on the inside,” Judy said. “And the flow is so good from one room to the next — it’s almost as if the designers planned it that way.”

Every room of the house, aside from two bathrooms (one of which currently holds the home’s old light fixtures) and the basement (where six boutiques have set up shop to sell home decor items), has been remodeled.

The 10,000-square-foot house has been on the market since Saturday.

Complete coverage: D.C. Design House

Listing: 4951 Rockwood Pkwy. NW

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