One Union Center — Sale in Washington, DC

  • Price: $8
  • Listing type: For sale
  • Asset type: Office
  • Location: Washington, DC 20002
  • Size: 228,222 SF

Photos

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Description

Jones Lang LaSalle Americas, Inc. ("JLL"), as the exclusive representative for the Owner, is pleased to present the offering for One Union Center (the “Property”). Located at 810 First Street, the Property occupies a prime location within a stone’s throw of Union Station and in close proximity to Capitol Hill. This 11-story, 190,200 RSF free-standing office building features 18,400 RSF floor plates and boasts outstanding views of the iconic Washington, DC skyline. The Property sits just one block from Union Station, which hosts close to 40 million visitors annually and is Amtrak's second busiest station in the country. One Union Center’s location benefits from over 200 daily Amtrak, MARC, and VRE trains from all over the East Coast. Capitol Hill is just a 5-minute drive from the Property for travelers visiting the various government agencies and other stakeholders in the Capitol Hill area. Centrally located in NoMa, One Union Center sits at the nexus of three of the District’s most prominent dining and retail hubs. The H Street Corridor, less than a 10-minute walk east of the Property, has been revitalized by an $8.3 billion, three-phase redevelopment of Union Station, triggering the resurgence of some of Washington, DC’s best restaurants, nightlife, and entertainment options. Shaw, situated less than a mile northwest of the Property, is a historically rich submarket thriving with the new influx of developments including a Whole Foods, experiential retail, and fantastic dining options. To the southwest of the Property, Mount Vernon Triangle has developed into the high-end, luxury neighborhood of the District. With prestigious employers, major developments, and CityCenter DC anchoring the neighborhood, Mount Vernon has seen tremendous growth and success in recent years. As these three nodes have emerged less than a mile from the Property, One Union Center and its occupants stand to benefit from the continued evolution of these exceptionally diverse and energetic ur

Market Context

This office in Washington, DC is listed for sale at $8 across 228,222 SF. Compare it against other office listings for sale in Washington, DC — view the full market.

As of Q1 2026, the Washington D.C. office market showed a 21.2% vacancy rate, and average asking rents near $60.00/SF/yr. Source: multiple brokerage reports, Q1 2026.

Above-average vacancy gives buyers leverage and a wide set of comparables.

Office market FAQ

Is the Washington D.C. office market tightening or softening?
Vacancy is around 21.2% (Q1 2026).

Estimated Price per SF

$113.85/SF – $828.00/SF

Mid: $345.00/SF

About 8 in 10 recent recorded sales fell within a range this wide around the estimate. An automated estimate, not an appraisal.

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