Number One Observatory Circle instance of official residence
Number One Observatory Circle, often referred to as the Naval Observatory, is the official residence of the vice president of the United States. Located on the northeast grounds of the U.S. Naval Observatory in Washington, D.C., the house was built in 1893 for the observatory superintendent. The chief of naval operations (CNO) liked the house so much that in 1923 he took over the house for himself. It remained the residence of the CNO until 1974, when Congress authorized its transformation to an official residence for the vice president, though a temporary one. It is still the "official temporary residence of the vice president of the United States" by law. The 1974 congressional authorization covered the cost of refurbishment and furnishing the house.
Although Number One Observatory Circle was made available to the vice president in 1974, more than two years passed before a vice president lived full-time in the house. Vice President Gerald Ford became president before he could use the house. His vice president, Nelson Rockefeller, primarily used the home for entertainment as he already had a well-secured residence in Washington, D.C., though the Rockefellers donated millions of dollars' worth of furnishings to the house. Vice President Walter Mondale was the first vice president to move into the house. Every vice president since has lived there.The vice-presidential mansion was refurbished by the United States Navy in early 2001, slightly delaying the move of Vice President Dick Cheney and his family. Similarly, Vice President Kamala Harris delayed moving in until April 2021 while renovations occurred.The house formally opened as the vice presidential residence in September 1975. Vice President Gerald Ford would have been the first resident if President Richard Nixon hadn't resigned, leaving the White House to Ford. The new vice president Nelson Rockefeller chose to live in his larger private home instead and used Admiral's House only for entertaining. In January 1977, Walter Mondale became the first vice president to live in the house, and it has served as the home of every vice president since.Later vice presidents
Instead of building a new vice presidential residence, One Observatory Circle continued to have extensive remodels. In 1976, the Navy spent $276,000 to replace 22 window units with steam heat and central air conditioning; the leaky roof was replaced in 1980 with slate. In 1981, George H. W. Bush and Second Lady Barbara raised $187,000 for carpeting, furniture, and upholstery when they moved in. The next year the Navy spent $34,000 to repair the porch roof. Repairs to interior and exterior walls damaged by water seepage amounted to $225,000, and $8,000 more was spent to build a small master bedroom. Bush also constructed a horseshoe pit and quarter-mile track around the residence. During his eight years at the residence, Vice President Bush hosted over 900 parties.Dan Quayle delayed his move in by a month in 1989, for an extensive $300,000 remodelling that included a rebuilt third floor with bedrooms suitable for children, a wheelchair-accessible entrance, and an upgraded bathroom off the vice president's room.  A putting green was added in 1989 and a swimming pool, hot tub, and pool house in 1991 – all paid for by private donations. A 525-square-foot (49 m2) skylit exercise room was added to the rooftop around that time, and numerous security enhancements were also performed.The Navy, responsible for upkeep on the residence, decided in 1991 that Congress would never build a permanent vice president's residence (ostensibly next door to Admiral's House) and opted instead to remodel and repair the house substantially. Al Gore agreed to delay his move into the house by nearly six months in 1993 to allow for the largest renovation of the house since 1974. The $1.6 million repair job replaced the heating, air conditioning and plumbing, removed asbestos, rewired the electrical, replaced the ventilation systems, restored the porch, and upgraded the family quarters on the second floor.In 1991, during the tenure of Vice President Dan Quayle, a non-profit organization, the Vice President's Residence Foundation, was founded to raise funds to redecorate the residency. Quayle also added an exercise room and a pool to the house.Vice President Mike Pence and Second Lady Karen Pence made few changes to the residence, besides the Second Lady's addition of a beehive to the grounds in 2017.Vice President Kamala Harris and Second Gentleman Douglas Emhoff moved into Number One Observatory on April 7, 2021. They temporarily resided at Blair House during the renovations as they agreed to move in once the $3.8 million upgrades to the residence had been completed.  The repairs consisted of replacing chimney liners, heating, air-conditioning, and plumbing systems. Harris was responsible for having the kitchen remodeled and the hardwood floors refurbished.In October 2021, Emhoff affixed a white mezuzah to the right-hand side of the doorway of the residence's wooden entryway, which marked the first time an executive home in American history has carried the abiding sign of sanctity of a Jewish home.On November 28, 2021, Harris and Emhoff became the first second couple to light a menorah in the window of the official residence in celebration of the first night of Hanukkah. On April 15, 2022, Harris and Emhoff became the first known second family to host a Passover Seder at the vice president's residence.
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