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1666 Connecticut Ave NW
Washington, DC 20009 Dupont Circle

$18,756 USD/MO

Office For Lease  •  1,615+ SF

Property Details

  • Property Type Office
  • Year Built 1962
  • Total Building Size 83,469 SF
  • Tenancy Multiple
  • Building Class B
  • Zoning MU-20, RA-8
90 Transit Score
100 Walk Score

8 Spaces Available

Name Space Use Size Rent Details
2nd Floor Ste 200 Office 1,875 SF $49.75 USD/SF/YR
New conference facility + tenant lounge coming soon • Iconic presence on the Connecticut Avenue corridor — two blocks from Dupont Metro Station • Boutique floor plate with great setbacks and windowline in all directions • Three levels of below-grade parking  –  1/1,500 SF ratio • Sette Osteria on-site & exciting new retail coming soon

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Full Service Gross
  • Built out as: Standard Office
  • Space Type: Relet
  • In Contiguous block: 6,399 SF
2nd Floor Ste 201 Office 4,524 SF $49.75 USD/SF/YR
Space on the front corner of the second floor overlooking Connecticut Avenue with direct elevator exposure. Available 4/2026 and can be combined with Suite 200.
 New conference facility + tenant lounge coming soon • Iconic presence on the Connecticut Avenue corridor — two blocks from Dupont Metro Station • Boutique floor plate with great setbacks and windowline in all directions • Three levels of below-grade parking  –  1/1,500 SF ratio • Sette Osteria on-site & exciting new retail coming soon

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Full Service Gross
  • Space Type: Relet
  • In Contiguous block: 6,399 SF
3rd Floor Ste 300 Office 3,694 SF $49.75 USD/SF/YR
Full floor of spec suites with conference facility and tenant lounge - designed by OTJ - deliver this summer 2026! Under construction now! 

 New conference facility + tenant lounge coming soon • Iconic presence on the Connecticut Avenue corridor — two blocks from Dupont Metro Station • Boutique floor plate with great setbacks and windowline in all directions • Three levels of below-grade parking  –  1/1,500 SF ratio • Sette Osteria on-site & exciting new retail coming soon

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Full Service Gross
  • Space Type: Relet
  • In Contiguous block: 12,367 SF
3rd Floor Ste 310 Office 2,083 SF $49.75 USD/SF/YR
Full floor of spec suites with conference facility and tenant lounge - designed by OTJ - deliver this summer 2026! Under construction now! 

 New conference facility + tenant lounge coming soon • Iconic presence on the Connecticut Avenue corridor — two blocks from Dupont Metro Station • Boutique floor plate with great setbacks and windowline in all directions • Three levels of below-grade parking  –  1/1,500 SF ratio • Sette Osteria on-site & exciting new retail coming soon

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Full Service Gross
  • Space Type: Relet
  • In Contiguous block: 12,367 SF
3rd Floor Ste 320 Office 2,507 SF $49.75 USD/SF/YR
Full floor of spec suites with conference facility and tenant lounge - designed by OTJ - deliver this summer 2026! Under construction now! 

 New conference facility + tenant lounge coming soon • Iconic presence on the Connecticut Avenue corridor — two blocks from Dupont Metro Station • Boutique floor plate with great setbacks and windowline in all directions • Three levels of below-grade parking  –  1/1,500 SF ratio • Sette Osteria on-site & exciting new retail coming soon

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Full Service Gross
  • Space Type: Relet
  • In Contiguous block: 12,367 SF
3rd Floor Ste 330 Office 2,468 SF $49.75 USD/SF/YR
Full floor of spec suites with conference facility and tenant lounge - designed by OTJ - deliver this summer 2026! Under construction now! 

 New conference facility + tenant lounge coming soon • Iconic presence on the Connecticut Avenue corridor — two blocks from Dupont Metro Station • Boutique floor plate with great setbacks and windowline in all directions • Three levels of below-grade parking  –  1/1,500 SF ratio • Sette Osteria on-site & exciting new retail coming soon

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Full Service Gross
  • Space Type: Relet
  • In Contiguous block: 12,367 SF
3rd Floor Ste 340 Office 1,615 SF $49.75 USD/SF/YR
Full floor of spec suites with conference facility and tenant lounge - designed by OTJ - deliver this summer 2026! Under construction now! 

 New conference facility + tenant lounge coming soon • Iconic presence on the Connecticut Avenue corridor — two blocks from Dupont Metro Station • Boutique floor plate with great setbacks and windowline in all directions • Three levels of below-grade parking  –  1/1,500 SF ratio • Sette Osteria on-site & exciting new retail coming soon

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Full Service Gross
  • Space Type: Relet
  • In Contiguous block: 12,367 SF
5th Floor Ste 525 Office 2,498 SF Rate Upon Request
  • Date available: Jan 2027
  • Lease term: Negotiable
  • Service type: Full Service Gross
  • Space Type: Relet

Property Flyers

Amenities

  • Food Service
  • Property Manager on Site
  • Restaurant
  • Central Heating
  • Natural Light
  • Air Conditioning

Public Transportation

Commuter RailDriveWalkDistance
6 min - 2.9 mi
Union Station (Brunswick Line - Maryland Area Regional Commuter Trains (The MARC), Camden Line - Maryland Area Regional Commuter Trains (The MARC), Penn Line - Maryland Area Regional Commuter Trains (The MARC)) 8 min - 3.1 mi
Transit/SubwayDriveWalkDistance
Dupont Circle (Red Line - Washington Metropolitan Area Transit Authority Metrorail (Metrorail)) 2 min 5 min 0.3 mi
Farragut North (Red Line - Washington Metropolitan Area Transit Authority Metrorail (Metrorail)) 2 min 15 min 0.8 mi
Farragut West (Blue Line - Washington Metropolitan Area Transit Authority Metrorail (Metrorail), Orange Line - Washington Metropolitan Area Transit Authority Metrorail (Metrorail), Silver Line - Washington Metropolitan Area Transit Authority Metrorail (Metrorail)) 3 min 18 min 0.9 mi
Foggy Bottom-GWU (Blue Line - Washington Metropolitan Area Transit Authority Metrorail (Metrorail), Orange Line - Washington Metropolitan Area Transit Authority Metrorail (Metrorail), Silver Line - Washington Metropolitan Area Transit Authority Metrorail (Metrorail)) 2 min 19 min 1.0 mi
Woodley Park-Zoo/Adams Morgan (Red Line - Washington Metropolitan Area Transit Authority Metrorail (Metrorail)) 4 min 19 min 1.0 mi
AirportDriveWalkDistance
Ronald Reagan Washington Ntl 12 min - 6.3 mi
Washington Dulles International 43 min - 26.6 mi
Baltimore/Washington International Thurgood Marshall 50 min - 32.5 mi

Parking Details

Parking Available: Yes
Reserved: No
Type: Surface
Included in Rent: Yes
Merrill Turnbull 202-513-6713 Lincoln Property Company
Merrill Turnbull 202-513-6713 Lincoln Property Company