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South Building 601 Pennsylvania Ave NW 4,464 - 55,543 SF of 4-Star Office Space Available in Washington, DC 20004

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All Available Spaces(2)

Display Rental Rate as

  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Condition
  • Available
  • 4th Floor
  • 4,464-26,042 SF
  • Jun 2036
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

• 21,578 SF is not currently demised - Blocking plan reflects potential options for smaller suites • Plug & Play Opportunity • Office Intensive Suite Ready for Occupancy • Furniture Available • Pennsylvania Avenue Frontage

  • Sublease space available from current tenant
  • Fully Built-Out as Standard Office
  • 70 Private Offices
  • Space is in Excellent Condition
  • Furniture Available
  • Rate includes utilities, building services and property expenses
  • Fits 12 - 209 People
  • 2 Conference Rooms
  • Plug & Play
  • Pennsylvania Avenue Frontage
  • 5th Floor
  • 29,501 SF
  • Jun 2036
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

• 26,042 SF on the 4th floor of the building • 29,501 SF on the 5th floor of the building • Plug & Play Opportunity • Office Intensive Suite Ready for Occupancy • Furniture Available • Pennsylvania Avenue Frontage

  • Sublease space available from current tenant
  • Fits 40 - 100 People
  • 2 Conference Rooms
  • Furniture Available
  • Fully Built-Out as Standard Office
  • 80 Private Offices
  • Space is in Excellent Condition
  • Pennsylvania Avenue Frontage
Space Size Term Rental Rate Space Use Condition Available
4th Floor 4,464-26,042 SF Jun 2036 Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
5th Floor 29,501 SF Jun 2036 Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now

4th Floor

Size
4,464-26,042 SF
Term
Jun 2036
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

5th Floor

Size
29,501 SF
Term
Jun 2036
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

4th Floor

Size 4,464-26,042 SF
Term Jun 2036
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

• 21,578 SF is not currently demised - Blocking plan reflects potential options for smaller suites • Plug & Play Opportunity • Office Intensive Suite Ready for Occupancy • Furniture Available • Pennsylvania Avenue Frontage

  • Sublease space available from current tenant
  • Rate includes utilities, building services and property expenses
  • Fully Built-Out as Standard Office
  • Fits 12 - 209 People
  • 70 Private Offices
  • 2 Conference Rooms
  • Space is in Excellent Condition
  • Plug & Play
  • Furniture Available
  • Pennsylvania Avenue Frontage

5th Floor

Size 29,501 SF
Term Jun 2036
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

• 26,042 SF on the 4th floor of the building • 29,501 SF on the 5th floor of the building • Plug & Play Opportunity • Office Intensive Suite Ready for Occupancy • Furniture Available • Pennsylvania Avenue Frontage

  • Sublease space available from current tenant
  • Fully Built-Out as Standard Office
  • Fits 40 - 100 People
  • 80 Private Offices
  • 2 Conference Rooms
  • Space is in Excellent Condition
  • Furniture Available
  • Pennsylvania Avenue Frontage

Features and Amenities

  • Conferencing Facility
  • Fitness Center
  • Food Service
  • Central Heating
  • Air Conditioning
  • Balcony

Property Facts

Building Type
Office
Year Built
1986
LoopNet Rating
4 Star
Building Height
9 Stories
Building Size
228,249 SF
Building Class
A
Typical Floor Size
29,828 SF
Unfinished Ceiling Height
8’
Parking
Surface Parking
100 Covered Parking Spaces

Select Tenants

  • Floor
  • Tenant Name
  • Industry
  • Multiple
  • America's Health Insurance Plans
  • Finance and Insurance
  • 8th
  • Balch & Bingham LLP
  • Professional, Scientific, and Technical Services
  • 7th
  • Koch Capabilities, LLC
  • Manufacturing
  • 6th
  • National Gallery of Art
  • Arts, Entertainment, and Recreation
  • 9th
  • Regus
  • Real Estate
  • 8th
  • Southern Company
  • Utilities
  • 1st
  • The Capital Grille
  • Accommodation and Food Services
  • 7th
  • Vantive
  • Manufacturing
  • 7th
  • Venture Government Strategies
  • Professional, Scientific, and Technical Services
  • 7th
  • Volkswagen
  • Manufacturing
Walk Score®
Walker's Paradise (97)
Transit Score®
Rider's Paradise (100)
Bike Score®
Very Bikeable (88)
What is a Walk Score®, Transit Score® & Bike Score®?
Walk Score® measures the walkability of any address.
Transit Score® measures access to public transit.
Bike Score® measures bikeability of a location.
What is a Walk Score®
, Transit Score® & Bike Score?
Walk Score® measures the walkability
of any address. Transit Score®
measures access to public transit. Bike Score®
measures bikeability of a location.®
  • Listing ID: 39349516

  • Date on Market: 2026-02-09

  • Last Updated:

  • Address: 601 Pennsylvania Ave NW, Washington, DC 20004

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