The Portal Building

409 12th Street SW, Washington, DC 20024

  • For Lease $42.00/SF/YR
  • Property Type Office
  • Property Size 90,700 SF
  • Additional Rent Contact for pricing
  • # of Floors 7
  • Parking Ratio 0.67 / 1,000 SF
  • Building Class B
  • Year Built 1988
  • Date Updated May 24, 2024
Located between the Capitol and the Jefferson Memorial, the Portal Building consists of two domes joined by one facade. Its corner location gives an astounding, unobstructed view of the Capitol.

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Reach out to the broker for more info on lease terms and amenities


  • Conferencing Facility
  • Fitness Center
  • Bicycle Storage

Spaces Available



Reed Miller

Cushman & Wakefield

(202) 266-1332


Kurt Richter

Cushman & Wakefield

(202) 266-1158


Scarlett Cunningham

Cushman & Wakefield

(202) 463-2100


Getting Around

  • Walk Score ®

    76/100 Very Walkable
  • Transit Score ®

    94/100 Rider's Paradise
  • Bike Score ®

    71/100 Very Bikeable
Powered by Walk Score ®
  • City Washington, DC
  • Neighborhood Waterfront Washington
  • Zip Code 20024
  • Market Washington DC Suburban Maryland

Frequently Asked Questions

How much does office space cost at The Portal Building?

The average price for office space at The Portal Building is $42.00/SF/YR. The cost of leasing office space can depend on the position of the space within the building, the location of the property, the quality rating, amenities on-site or nearby, as well as if the office space you are looking at comes with attributes that are unique to it.

What office space is available at The Portal Building?

In total, there are 10,803 square feet of office space for rent at The Portal Building. Availability at this location includes general office. If you are interested in finding out more, you can easily reach out to schedule a tour using the contact form at the top of this page.

Can I find office space for a small business at The Portal Building?

Available office space at The Portal Building starts at 3,217 square feet. According to general recommendations of 75 to 150 square feet of office space per person, this can work for a minimum of 21 people. For detailed information on optimal divisible space options for your business needs, contact the listing broker to schedule a tour.

Can I find office space for a large business at The Portal Building?

Office space available at The Portal Building provides up to 4,297 square feet, which can accommodate a maximum of 57 people, according to recommendations of between 75 and 150 square feet of office space per person. For a better understanding of how this space could work for you, reach out to schedule a tour.

Is The Portal Building a good location for office space?

The Portal Building is located in the Waterfront Washington neighborhood of Washington DC Suburban Maryland. The Portal Building was first completed in 1988. Office space here is rated class B. Reach out to the leasing representative for more detailed information on the most modern facilities and amenities at the property.

Does The Portal Building have parking?

There are 61 parking spaces available at The Portal Building. The property has a parking ratio of 0.67 / 1,000 SF.

How do I lease office space at The Portal Building?

If you want to find out more about the lease terms and office space availability at The Portal Building, fill out the contact form to schedule a tour or reach out to the property representatives using the contact details provided here to ask for any additional information that you might be interested in.

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Contact The Portal Building

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