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Sublease Highlights

  • Rooftop terrace with panoramic Monument and city views.
  • Recently upgraded amenities including fitness center and conferencing facilities.
  • On-site security, controlled access, and property management.
  • LEED Silver–certified, emphasizing sustainability and energy efficiency.
  • Direct access to multiple Metro lines via nearby stations.
  • Vibrant downtown location with top-tier dining, retail, and hospitality close by.

All Available Spaces(3)

Display Rental Rate as

  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 11th Floor, Ste 1110
  • 600 SF
  • Dec 2027
  • $48.00 /SF/YR $4.00 /SF/MO $28,800 /YR $2,400 /MO
  • Office
  • Full Build-Out
  • Now

Window office available. Includes the amenities to the building which include outdoor seating and a fitness center.

  • Sublease space available from current tenant
  • Fully Built-Out as Standard Office
  • Fits 2 - 5 People
  • Space is in Excellent Condition
  • Central Air and Heating
  • Window Office
  • Lease rate does not include utilities, property expenses or building services
  • Mostly Open Floor Plan Layout
  • 1 Private Office
  • Can be combined with additional space(s) for up to 1,157 SF of adjacent space
  • Natural Light
  • Amenities
  • 11th Floor, Ste 1110
  • 200 SF
  • Dec 2027
  • $48.00 /SF/YR $4.00 /SF/MO $9,600 /YR $800.00 /MO
  • Office
  • Full Build-Out
  • Now

Workspace available. Includes the amenities to the building which include outdoor seating and a fitness center.

  • Sublease space available from current tenant
  • Fully Built-Out as Standard Office
  • Fits 1 - 2 People
  • Space is in Excellent Condition
  • Central Air and Heating
  • Workspace Station
  • Lease rate does not include utilities, property expenses or building services
  • Mostly Open Floor Plan Layout
  • 1 Workstation
  • Can be combined with additional space(s) for up to 1,157 SF of adjacent space
  • Natural Light
  • Amenities
  • 11th Floor, Ste 1110
  • 357 SF
  • Dec 2027
  • $48.00 /SF/YR $4.00 /SF/MO $17,136 /YR $1,428 /MO
  • Office
  • Full Build-Out
  • Now

Conference room available. Includes the amenities to the building which include outdoor seating and a fitness center.

  • Sublease space available from current tenant
  • Fully Built-Out as Standard Office
  • Fits 1 - 3 People
  • Space is in Excellent Condition
  • Central Air and Heating
  • Conference Room
  • Lease rate does not include utilities, property expenses or building services
  • Mostly Open Floor Plan Layout
  • 1 Conference Room
  • Can be combined with additional space(s) for up to 1,157 SF of adjacent space
  • Natural Light
  • Amenities
Space Size Term Rental Rate Space Use Build-Out Available
11th Floor, Ste 1110 600 SF Dec 2027 $48.00 /SF/YR $4.00 /SF/MO $28,800 /YR $2,400 /MO Office Full Build-Out Now
11th Floor, Ste 1110 200 SF Dec 2027 $48.00 /SF/YR $4.00 /SF/MO $9,600 /YR $800.00 /MO Office Full Build-Out Now
11th Floor, Ste 1110 357 SF Dec 2027 $48.00 /SF/YR $4.00 /SF/MO $17,136 /YR $1,428 /MO Office Full Build-Out Now

11th Floor, Ste 1110

Size
600 SF
Term
Dec 2027
Rental Rate
$48.00 /SF/YR $4.00 /SF/MO $28,800 /YR $2,400 /MO
Space Use
Office
Build-Out
Full Build-Out
Available
Now

11th Floor, Ste 1110

Size
200 SF
Term
Dec 2027
Rental Rate
$48.00 /SF/YR $4.00 /SF/MO $9,600 /YR $800.00 /MO
Space Use
Office
Build-Out
Full Build-Out
Available
Now

11th Floor, Ste 1110

Size
357 SF
Term
Dec 2027
Rental Rate
$48.00 /SF/YR $4.00 /SF/MO $17,136 /YR $1,428 /MO
Space Use
Office
Build-Out
Full Build-Out
Available
Now

11th Floor, Ste 1110

Size 600 SF
Term Dec 2027
Rental Rate $48.00 /SF/YR
Space Use Office
Build-Out Full Build-Out
Available Now

Window office available. Includes the amenities to the building which include outdoor seating and a fitness center.

  • Sublease space available from current tenant
  • Lease rate does not include utilities, property expenses or building services
  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Fits 2 - 5 People
  • 1 Private Office
  • Space is in Excellent Condition
  • Can be combined with additional space(s) for up to 1,157 SF of adjacent space
  • Central Air and Heating
  • Natural Light
  • Window Office
  • Amenities

11th Floor, Ste 1110

Size 200 SF
Term Dec 2027
Rental Rate $48.00 /SF/YR
Space Use Office
Build-Out Full Build-Out
Available Now

Workspace available. Includes the amenities to the building which include outdoor seating and a fitness center.

  • Sublease space available from current tenant
  • Lease rate does not include utilities, property expenses or building services
  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Fits 1 - 2 People
  • 1 Workstation
  • Space is in Excellent Condition
  • Can be combined with additional space(s) for up to 1,157 SF of adjacent space
  • Central Air and Heating
  • Natural Light
  • Workspace Station
  • Amenities

11th Floor, Ste 1110

Size 357 SF
Term Dec 2027
Rental Rate $48.00 /SF/YR
Space Use Office
Build-Out Full Build-Out
Available Now

Conference room available. Includes the amenities to the building which include outdoor seating and a fitness center.

  • Sublease space available from current tenant
  • Lease rate does not include utilities, property expenses or building services
  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Fits 1 - 3 People
  • 1 Conference Room
  • Space is in Excellent Condition
  • Can be combined with additional space(s) for up to 1,157 SF of adjacent space
  • Central Air and Heating
  • Natural Light
  • Conference Room
  • Amenities

Property Overview

1800 K Street NW, also known as the International Club Building, delivers a premier office environment in the heart of Downtown Washington, DC. This 11-story, Class A tower combines modern functionality with sustainable design, holding LEED Silver certification and an Energy Star label for efficiency. Recent renovations have elevated the tenant experience through amenities such as an on-site fitness center, a private conferencing center, and a rooftop terrace offering sweeping Monument views. The property’s prime location provides unmatched connectivity, with immediate access to Farragut North and Farragut West Metro stations, placing both Red, Orange, Blue, and Silver Lines within easy reach. Surrounding the address is a vibrant mix of restaurants, cafes, and hotels, catering to daily business needs and visiting clients. In addition, secure parking, controlled access, and professional property management complement a workplace tailored for productivity and convenience. Located at the core of Washington’s business district, this building positions occupants within steps of major corporate offices, government institutions, and cultural landmarks. From its flexible open-plan layouts to enhanced plug-and-play readiness, 1800 K offers an adaptable setting for dynamic companies looking to thrive in one of the nation’s foremost commercial corridors.

  • 24 Hour Access
  • Banking
  • Controlled Access
  • Fitness Center
  • Metro/Subway
  • Property Manager on Site
  • Security System
  • Signage
  • Energy Star Labeled
  • Reception
  • Storage Space
  • Central Heating
  • Direct Elevator Exposure
  • Natural Light
  • Open-Plan
  • Partitioned Offices
  • Plug & Play
  • Secure Storage
  • Wi-Fi
  • Air Conditioning

Property Facts

Building Type
Office
Year Built/Renovated
1971/2016
LoopNet Rating
5 Star
Building Height
11 Stories
Building Size
217,070 SF
Building Class
A
Typical Floor Size
19,734 SF
Unfinished Ceiling Height
10’
Column Spacing
34’ x 30’
Parking
Surface Parking
Covered Parking at $280/month

Select Tenants

  • Floor
  • Tenant Name
  • Industry
  • 2nd
  • Bank of America
  • Finance and Insurance
  • Multiple
  • Bank of America Private Bank
  • Finance and Insurance
  • 11th
  • Center for Cosmetic Dentistry
  • Health Care and Social Assistance
  • 7th
  • Isaacson, Miller
  • Professional, Scientific, and Technical Services
  • 3rd
  • Korea Economic Institute
  • Services
  • Multiple
  • Merrill
  • Finance and Insurance
  • 11th
  • RELX
  • Professional, Scientific, and Technical Services
  • 10th
  • Shook, Hardy & Bacon
  • Professional, Scientific, and Technical Services
  • 1st
  • Weight Loss & Vitality Clinic
  • Services
  • 1st
  • Young Professionals in Foreign Policy
  • Services

Sustainability

LEED Certified
Gold
LEED certification is a globally recognized symbol of sustainability achievement.

Sustainability

LEED Certification Developed by the U.S. Green Building Council (USGBC), the Leadership in Energy and Environmental Design (LEED) is a green building certification program focused on the design, construction, operation, and maintenance of green buildings, homes, and neighborhoods, which aims to help building owners and operators be environmentally responsible and use resources efficiently. LEED certification is a globally recognized symbol of sustainability achievement and leadership. To achieve LEED certification, a project earns points by adhering to prerequisites and credits that address carbon, energy, water, waste, transportation, materials, health and indoor environmental quality. Projects go through a verification and review process and are awarded points that correspond to a level of LEED certification: Platinum (80+ points) Gold (60-79 points) Silver (50-59 points) Certified (40-49 points)

Exceptionally walkable
90/100
Moderately drivable
60/100
Exceptional public transit
100/100
Very bikeable
80/100
  • Listing ID: 38086533

  • Date on Market: 10/15/2025

  • Last Updated:

  • Address: 1800 K St NW, Washington, DC 20006

Contact the Leasing Agent

International Club Building | 1800 K St NW

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