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Number One Observatory Circle is the official home of the U.S. vice president. The three-story Queen Anne house sits at 1 Observatory Circle NW, inside the gated grounds of the United States Naval Observatory in Northwest Washington, D.C. As of August 10, 2026, Vice President JD Vance, Second Lady Usha Vance, and their family occupy the residence.
It is not the White House, the vice president’s office, or the Naval Observatory itself. It is a historic private home adapted for official entertaining and government use—an unusual combination of family residence, reception venue, historic property, and secured military-campus facility.
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The short answer
The vice president lives at Number One Observatory Circle, also called One Observatory Circle, 1 Observatory Circle, or simply the Vice President’s Residence. The home was completed in 1893 for the superintendent of the newly relocated U.S. Naval Observatory. Washington architect Leon E. Dessez designed it in the Queen Anne style.
Congress designated the house the official temporary residence of the Vice President of the United States in 1974. The word temporary remains in the statute, but the building has functioned as the vice president’s permanent official home in practice since Walter Mondale moved in full-time in 1977.
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The residence is about 2.5 miles from the White House, according to public architectural and news accounts. It is surrounded by mature trees and sits within an active Naval Observatory campus, which is why most Washington visitors never see more than a limited exterior view.
Read the current statutory framework and the District of Columbia historic-preservation documentation for the residence’s legal and architectural history.
What is Number One Observatory Circle?
The name can be confusing because the address is on the grounds of the Naval Observatory. The vice president does not live inside an astronomical observatory. Number One Observatory Circle is a separate residence located on the observatory’s secured campus.
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Number One Observatory Circle is the vice president’s official residence on the grounds of the United States Naval Observatory.
Informal references to the vice president living at the Naval Observatory are understandable shorthand, but they can suggest that the residence and the scientific facility are the same building. They are not. The address is in Northwest Washington, near Massachusetts Avenue and Embassy Row, in a wooded area that gives the house a secluded, residential setting.
The public-facing location is well known, but operational security information is not. There is no need to publish access points, protective procedures, camera locations, underground facilities, or other security-related details.
A late-19th-century house hidden in a secured campus
Number One Observatory Circle is a three-story, late-19th-century Queen Anne house. Its exterior is commonly described as white or off-white, with contrasting shutters, a steep gabled roof, a turret, decorative woodwork, and a broad wraparound porch or veranda.
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The design has the asymmetry and ornament associated with Queen Anne architecture, but the setting is just as important as the façade. Mature trees and landscaped grounds screen the house from ordinary street views. The result is a building that looks more like a substantial Victorian-era home than a conventional government facility.
Public sources commonly report that the house contains about 9,000 square feet and 33 rooms. Other published descriptions use approximately 9,150 square feet. Because measurements and room-counting conventions vary, the careful formulation is about 9,000 square feet and commonly reported as 33 rooms—not an indisputable current government specification.
The residence’s associated grounds are described in the 1974 statute as approximately 12 acres. That figure should not be confused with the size of the entire Naval Observatory campus, which public reporting commonly gives as roughly 72 to 73 acres.
What is inside the vice president’s residence?
The house has two overlapping functions. It is a family home, but it must also accommodate official receptions, meetings, holiday events, and diplomatic entertaining. That explains the combination of formal rooms and ordinary domestic spaces.
Published historical and journalistic descriptions identify or discuss:
- First-floor reception and entertaining rooms
- A dining room
- A living room
- A library
- A garden room, sunroom, or solarium
- The wraparound porch or veranda
- Private bedrooms and family rooms on upper floors
- Additional bedrooms associated with former servants’ quarters
- A main kitchen in the basement
These descriptions should not be treated as a current, official room-by-room floor plan. No comprehensive current government floor plan is publicly available, and furnishings, decorations, family spaces, and some uses change between administrations. The Washington Post’s account of the 2021 transition and CBS News’ residence overview provide useful historical descriptions without establishing a permanent public floor plan.
Why does the vice president live there instead of at the White House?
The vice president is part of the executive branch but does not live in the White House. The White House is the president’s official residence and workplace. The vice president has a separate official residence because vice presidents historically arranged their own housing—sometimes using private homes, hotels, or other accommodations.
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That arrangement became increasingly expensive and complicated as the government dealt with security, staffing, and the changing needs of each vice presidential family. Congress eventually chose a centralized government residence rather than arranging a new private home for every administration.
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- A working office in the West Wing
- A ceremonial office in the Eisenhower Executive Office Building
- A separate home at Number One Observatory Circle
In other words, the residence is not the vice president’s principal workplace. Official work may occur there, particularly during meetings or receptions, but the principal office functions are elsewhere. The archived White House description of the residence and office distinguishes these roles.
Before it became the vice president’s home
1893: The superintendent’s house
The house was built in 1893 as the residence of the superintendent of the U.S. Naval Observatory. The D.C. historic-preservation report identifies Leon E. Dessez as the architect and classifies the building as Queen Anne.
Its original purpose explains both its scale and its location. It was not designed as a ceremonial presidential mansion. It was a substantial residence for a senior official connected to an important federal scientific institution.
The 1920s: The Chief of Naval Operations’ residence
The house later became associated with the Chief of Naval Operations. Public government history says the CNO took over the residence in 1923. Other historical accounts distinguish that initial occupancy from the formal congressional transfer in 1928 and the first CNO occupancy under the new designation in 1929.
Those dates describe related but not identical events. The careful summary is that the residence entered the CNO’s orbit in the 1920s, with a formal statutory and administrative transition spanning 1928 and 1929.
Admiral Elmo R. Bud Zumwalt Jr. was the last CNO to occupy the house before it was reassigned for vice presidential use. The Naval History and Heritage Command account provides background on the CNO residence era.
The failed 1966 plan and the 1974 solution
The current residence was not Congress’s first idea for housing the vice president. Public Law 89-386, enacted in 1966, authorized planning and construction of a new official vice presidential residence on approximately ten acres at the Naval Observatory. The authorized cost for construction and initial furnishings was $750,000.
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Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallThat new residence was never built. Historical accounts connect the delay or abandonment to budget pressures and the Vietnam War era. Instead of constructing a separate house, Congress later repurposed the existing CNO residence.
Public Law 93-346, enacted July 12, 1974, designated the former CNO residence as the vice president’s official temporary residence. The law authorized a broad support structure, including staffing, furnishings, dining facilities, services, maintenance, repairs, improvements, and alterations. It also assigned the Secretary of the Navy responsibility for many operational and maintenance matters, subject to the vice president’s supervision.
The statute further limited federal spending on another vice presidential residence after the vice president moved into the designated home unless Congress specifically authorized it. It also permitted donations for furnishings, improvements, and official functions. That combination—an existing federal house, Navy support, and authorized private donations—created the institutional model still associated with Number One Observatory Circle.
Who was the first vice president to live there?
The residence became available for vice presidential use in 1974, but the first occupants did not establish the full-time tradition immediately.
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- Gerald Ford: Ford became president before he could move into the residence as vice president.
- Nelson Rockefeller: Rockefeller used the house for official receptions and entertaining but continued to live at his own Washington-area home.
- Walter Mondale: Mondale became the first vice president to live there full-time, beginning in 1977.
Every vice president since Mondale has lived at Number One Observatory Circle during the vice presidential term, although temporary moves can occur during renovations. The distinction matters: it is inaccurate to say that every vice president since 1974 lived there.
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Vice presidential occupants
| Vice president | Relationship to the residence |
|---|---|
| Nelson Rockefeller | Used it for official entertaining; did not live there full-time. |
| Walter Mondale | First full-time vice presidential resident. |
| George H. W. Bush | Full-time resident. |
| Dan Quayle | Full-time resident. |
| Al Gore | Full-time resident. |
| Dick Cheney | Full-time resident. |
| Joe Biden | Full-time resident. |
| Mike Pence | Full-time resident. |
| Kamala Harris | Full-time resident after the 2021 move and residence repairs. |
| JD Vance | Current occupant as of August 10, 2026. |
Every administration leaves a mark
Number One Observatory Circle is not a museum frozen in its 1893 appearance. Each vice presidential family has treated it as both a historic property and a functioning home, adding or changing landscaping, recreation areas, furnishings, artwork, and family spaces.
| Administration | Documented or widely reported contribution |
|---|---|
| Nelson and Happy Rockefeller | Used the residence for receptions and contributed art and furnishings. |
| Walter and Joan Mondale | Added a tulip garden and emphasized American art. |
| George H. W. and Barbara Bush | Added outdoor recreational features, including a horseshoe pit. |
| Dan and Marilyn Quayle | Added a heated swimming pool, hot tub, and pool house. |
| Al and Tipper Gore | Added a family kitchen and created a computerized inventory of furnishings and decorations. |
| Dick and Lynne Cheney | Made interior changes and displayed American art on loan. |
| Joe and Jill Biden | Added a tree swing and established the Family Heritage Garden commemorating vice presidential families and pets associated with the residence. |
| Mike and Karen Pence | Added a beehive and a basketball court. |
| Kamala Harris and Doug Emhoff | Updated the library and introduced cultural and religious elements associated with their family. Before the move, repairs included HVAC maintenance, chimney-liner replacement, and hardwood-floor work. |
| JD and Usha Vance | In June 2026, the Associated Press reported the addition of a donated Victorian-style chicken coop and a dozen chicks. |
The residence’s history therefore includes two different kinds of change. Structural and systems work—such as required repairs, mechanical maintenance, and building preservation—belongs to the government’s property and facilities responsibilities. Decorative choices, personal possessions, gardens, artwork, and family amenities may be supported through private funds, the residence foundation, or the family’s own belongings. Not every object or improvement remains after an administration leaves.
A construction and preservation perspective
For anyone interested in buildings, the residence is a case study in adapting a historic house to a demanding modern use. A 19th-century Queen Anne home must support formal events, family life, accessibility needs, contemporary mechanical systems, communications, maintenance, and the requirements of a secured federal property without losing its historic character.
The publicly reported 2021 pre-move work illustrates the difference between visible decoration and essential building care. HVAC maintenance, chimney-liner replacement, and hardwood-floor work are practical interventions that help keep an old house usable. The furnishings and landscaping may change more visibly, but the long-term viability of the property depends on less glamorous systems and preservation work as well.
That work should not be confused with a publicly documented current floor plan or a complete list of security modifications. The residence’s detailed protective and technical arrangements are not appropriate subjects for speculation.
Who pays for Number One Observatory Circle?
The funding story is more complicated than either private donations pay for everything or taxpayers pay for everything.
Federal and Navy support
The 1974 law authorizes government support for staffing, utilities, care, maintenance, repairs, improvements, alterations, furnishings, dining facilities, and related services. Historical accounts describe the Navy as responsible for required structural repairs and operational support.
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The Vice President’s Residence Foundation was established in 1991 during Dan Quayle’s vice presidency. Its purpose is to support preservation, furnishings, artwork, and discretionary improvements at the residence.
The foundation’s public website says the residence is not paid for with government funds. That statement is best understood as a description of the foundation’s private support, not as proof that the entire property, staffing, utilities, maintenance program, repairs, or protective operation is privately funded. The governing statute provides for federal and Navy support.
For context, the foundation’s fiscal-year 2025 Form 990 data reported:
- Revenue: $4,967,004
- Expenses: $1,182,269
- Net assets: $5,726,173
- Contributions: $4,925,000, approximately 99.2% of revenue
- Executive compensation: $0
Those figures describe the nonprofit foundation only. They are not the total cost of operating, maintaining, staffing, or protecting the vice president’s residence. The White House Historical Association’s overview, the foundation’s history, and the Form 990-derived financial record help separate these funding categories.
The Naval Observatory is still an active scientific command
The residence did not replace or shut down the Naval Observatory. The U.S. Naval Observatory continues work involving precise time, the U.S. Department of Defense master clock, celestial reference frames, Earth orientation, and astronomical applications used in navigation, communications, and space-related activities.
This is an important part of the property’s identity. A Queen Anne residence and an active scientific command coexist on the same secured campus. The house is associated with the vice presidency, while the observatory continues its own defense and scientific mission.
The official Naval Observatory site and its mission and departments page provide current information about that work.
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Can the public visit?
Not as a normal public tour. The U.S. Naval Observatory’s current frequently asked questions page says the facility does not offer public tours. Readers should not expect White House-style public admission to Number One Observatory Circle or the observatory grounds.
The residence may occasionally be seen in official event coverage, invited delegations, authorized media access, or controlled programs. Those exceptions do not make the property a regular tourist attraction. Visitors should rely on current Navy guidance rather than old travel blogs, archived tour listings, or unofficial directions.
The practical reason the home is rarely seen is straightforward: it is a private residence inside an active secured installation, screened by trees and not generally open to visitors. Its relative obscurity is not evidence that the building lacks a public history; it reflects the difference between public documentation and public access.
Current status as of August 10, 2026
JD Vance, Usha Vance, and their family occupy Number One Observatory Circle. In June 2026, the Associated Press reported that the family added a donated chicken coop modeled on the Victorian house and stocked it with a dozen chicks. The report attributed the private-donation detail to a source familiar with the project, so it should not be treated as a published government accounting record.
July 2026 reporting said the Vance family was considering or arranging a supplemental rural Virginia residence while retaining Number One Observatory Circle as the official vice presidential residence. A second property would not replace the government residence. Because family housing arrangements can change, this detail should always be dated and checked against current reporting.
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Common misconceptions
- It is not the White House for the vice president. It is a separate historic home with a different legal and administrative status.
- The vice president does not live in the observatory building. The residence is a separate house on the observatory grounds.
- The house did not become a full-time residence in 1974. Congress designated it that year; Walter Mondale began the full-time tradition in 1977.
- The residence is not entirely privately funded. The foundation supports selected furnishings and improvements, while federal law provides for government and Navy support.
- The campus is not the same size as the residence grounds. The statute describes approximately 12 acres associated with the residence, while public descriptions of the full campus use roughly 72 to 73 acres.
- Thirty-three rooms is an approximate published figure. It is not presented here as an official current room-count standard.
- Occasional invitations are not public tours. The current Naval Observatory policy says it does not offer public tours.
Frequently Asked Questions
Does the vice president live in the White House?
No. The vice president’s official home is Number One Observatory Circle, a separate house on the grounds of the United States Naval Observatory. The vice president’s working office is in the West Wing, with a ceremonial office in the Eisenhower Executive Office Building.
Is Number One Observatory Circle the same thing as the Naval Observatory?
No. Number One Observatory Circle is the vice president’s residence. It is located within the Naval Observatory campus, but it is a separate building from the active scientific command.
How old is the vice president’s residence?
The house was completed in 1893. Leon E. Dessez designed it in the Queen Anne style as the superintendent’s residence for the U.S. Naval Observatory.
Who was the first vice president to live there full-time?
Walter Mondale, who moved into the house in 1977. Nelson Rockefeller used it for official entertaining but did not live there full-time, and Gerald Ford became president before he could move in as vice president.
Why is the residence legally called temporary?
Public Law 93-346 designated it the official temporary residence of the vice president in 1974. Although the same house has served as the continuous official home since Mondale’s move in 1977, Congress has not changed that statutory wording.
How many rooms does Number One Observatory Circle have?
Public sources commonly report 33 rooms and approximately 9,000 to 9,150 square feet. Because room counts and measurements vary by source and counting method, those figures should be treated as approximate.
Can tourists tour Number One Observatory Circle?
Generally, no. The Naval Observatory’s current FAQ says it does not offer public tours of its facilities, and the residence is inside a secured campus. Occasional invited events or authorized media access are not ordinary public admission.
Who pays for repairs and improvements?
Federal law provides for government and Navy support for staffing, utilities, maintenance, repairs, alterations, and related services. The private Vice President’s Residence Foundation supports selected preservation, furnishings, artwork, and discretionary improvements. Personal possessions may belong to the vice presidential family and leave with them.
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As of August 10, 2026, Vice President JD Vance, Second Lady Usha Vance, and their family occupy the official residence. Reporting about a possible supplemental Virginia property does not replace Number One Observatory Circle.
The Bottom Line
Number One Observatory Circle is best understood as a historic 1893 Queen Anne house adapted to modern public service. It is the vice president’s official home, an entertaining venue, and part of an active Naval Observatory campus—not a smaller White House and not the observatory itself. Its 1974 legal designation became a practical permanent tradition when Walter Mondale moved in full-time in 1977, and each succeeding administration has added another layer of family life, preservation, and official history.
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