Jump to main content or area navigation.

Contact Us

About EPA

EPA Headquarters - Location and Directions

EPA's main campus at Federal Triangle consists of a cluster of adjacent buildings including Ariel Rios North and South, EPA East and West, and the Ronald Reagan Building. The main campus is located around the Woodrow Wilson Plaza between 12th and 14th Streets and Pennsylvania and Constitution Avenues NW. The White House, the Washington Monument, and the U.S. Capitol are within walking distance. See a complete map of the area Exit EPA Disclaimer

Visiting Federal Triangle

Although our street address is 1200 Pennsylvania Avenue, the main entrances for visitors are not along Pennsylvania Avenue.  Ask the person you're visiting the name of his or her building, and then follow the instructions below.

Visit other EPA headquarters buildings in Washington DC area (other than those at Federal Triangle).


Taking the Metro

Federal Triangle Stop View a map of EPA's Federal Triangle campus

EPA Federal Triangle campus is most easily accessed by taking DC's subway, commonly called "Metro." The campus is located at the Federal Triangle Metro stop on the Blue/Orange lines.

  • Get off the Metro at Federal Triangle.  After exiting the turnstiles, go up both escalators to street level.
  • To your right is Ariel Rios North and to your left is Ariel Rios South.
  • Across the courtyard in front of you is the Reagan Building.
  • The main entrance to EPA's Federal Triangle campus is on 12th St. NW, a half block south of the intersection of 12th and Pennsylvania Avenue NW. About midway through the block headed south, follow the curve of the building to the center arch. and you'll see the Metro escalator for the Federal Triangle station. View a map of EPA's Federal Triangle campus Proceed to the building you are visiting. Facing away from 12th Street:
    • To your right is Ariel Rios North and to your left is Ariel Rios South.
    • Across the courtyard in front of you is the Reagan Building.
    • EPA East and West are along Constitution Avenue. To get there, turn around, walk out to 12th Street, turn right and walk to Constitution Avenue. EPA East is the first building on the right, followed by the Mellon Auditorium and EPA West.

The campus is also walking distance from the Metro Center stop, which is accessible by Red, Blue, and Orange lines.

  • Come up at the F and 12th Street Exit of Metro Center
  • Turn right (south) onto 12th Street
  • Walk two blocks, crossing E Street and Pennsylvania Avenue
  • The EPA campus is on your right

See Washington Metro  Exit EPA Disclaimer and Station Masters Exit EPA Disclaimer for more information.

Top of Page


Driving directions

Environmental Protection Agency
Ariel Rios Building
1200 Pennsylvania Ave. NW
Washington, DC 20460

View a map of EPA's Federal Triangle campus

If you are coming by taxi, most taxi drivers will know where to go if you say "EPA at Federal Triangle" or "EPA at Twelfth and Pennsylvania." If you are driving...

From Northern Virginia/areas southwest

  • North on I-395 North
  • Cross the Potomac River
  • Bear to the left to exit on 14th Street NW
  • Cross the National Mall
  • Right onto Pennsylvania Avenue NW
  • Start looking for a garage to park in. There is underground parking in one building EPA is located in, the Ronald Reagan Building, and there are multiple garages on the other side of Pennsylvania Avenue on 12th, 13th, E, F, G and other nearby streets.
  • The main entrance to EPA's Federal Triangle campus is on 12th St. NW, a half block south of the intersection of 12th and Pennsylvania Avenue NW. About midway through the block headed south, follow the curve of the building to the center arch. and you'll see the Metro escalator for the Federal Triangle station. View a map of EPA's Federal Triangle campus. Proceed to the building you are visiting. Facing away from 12th Street:
    • To your right is Ariel Rios North and to your left is Ariel Rios South.
    • Across the courtyard in front of you is the Reagan Building.
    • EPA East and West are along Constitution Avenue. To get there, turn around, walk out to 12th Street, turn right and walk to Constitution Avenue. EPA East is the first building on the right, followed by the Mellon Auditorium and EPA West.

From Dulles International Airport/areas west

  • East on the Dulles Airport Access Road / Toll Road. Cross I-495 (the Beltway).
  • Merge onto I-66 East.
  • Cross the Potomac River
  • Continue straight on US-50 East/Constitution Avenue
  • Left onto 15th Street NW
  • Right onto Pennsylvania Avenue
  • Start looking for a garage to park in. There is underground parking in one building EPA is located in, the Ronald Reagan Building, and there are multiple garages on the other side of Pennsylvania Avenue on 12th, 13th, E, F, G and other nearby streets.
  • The main entrance to EPA's Federal Triangle campus is on 12th St. NW, a half block south of the intersection of 12th and Pennsylvania Avenue NW. About midway through the block headed south, follow the curve of the building to the center arch. and you'll see the Metro escalator for the Federal Triangle station. View a map of EPA's Federal Triangle campus.  Proceed to the building you are visiting. Facing away from 12th Street:
    • To your right is Ariel Rios North and to your left is Ariel Rios South.
    • Across the courtyard in front of you is the Reagan Building.
    • EPA East and West are along Constitution Avenue. To get there, turn around, walk out to 12th Street, turn right and walk to Constitution Avenue. EPA East is the first building on the right, followed by the Mellon Auditorium and EPA West.

From Ronald Reagan National Airport/areas south

  • Exit north from the airport onto the George Washington Parkway
  • North at the first exit on I-395 North
  • Cross the Potomac River
  • Bear to the left to exit onto 14th Street NW
  • Cross the National Mall
  • Right onto Pennsylvania Avenue NW
  • Start looking for a garage to park in. There is underground parking in one building EPA is located in, the Ronald Reagan Building, and there are multiple garages on the other side of Pennsylvania Avenue on 12th, 13th, E, F, G and other nearby streets.
  • The main entrance to EPA's Federal Triangle campus is on 12th St. NW, a half block south of the intersection of 12th and Pennsylvania Avenue NW. About midway through the block headed south, follow the curve of the building to the center arch. and you'll see the Metro escalator for the Federal Triangle station. View a map of EPA's Federal Triangle campus.  Proceed to the building you are visiting. Facing away from 12th Street:
    • To your right is Ariel Rios North and to your left is Ariel Rios South.
    • Across the courtyard in front of you is the Reagan Building.
    • EPA East and West are along Constitution Avenue. To get there, turn around, walk out to 12th Street, turn right and walk to Constitution Avenue. EPA East is the first building on the right, followed by the Mellon Auditorium and EPA West.

From Baltimore/Washington International Airport/areas north

  • West on I-195
  • South on Exit 2B to MD-295 towards Washington
  • Right onto New York Avenue/US-50 West, remain on New York for several miles
  • Left onto 14th Street
  • Left onto Pennsylvania Avenue NW
  • Start looking for a garage to park in. There is underground parking in one building EPA is located in, the Ronald Reagan Building, and there are multiple garages on the other side of Pennsylvania Avenue on 12th, 13th, E, F, G and other nearby streets.
  • The main entrance to EPA's Federal Triangle campus is on 12th St. NW, a half block south of the intersection of 12th and Pennsylvania Avenue NW. About midway through the block headed south, follow the curve of the building to the center arch. and you'll see the Metro escalator for the Federal Triangle station. View a map of EPA's Federal Triangle campus.  Proceed to the building you are visiting. Facing away from 12th Street:
    • To your right is Ariel Rios North and to your left is Ariel Rios South.
    • Across the courtyard in front of you is the Reagan Building.
    • EPA East and West are along Constitution Avenue. To get there, turn around, walk out to 12th Street, turn right and walk to Constitution Avenue. EPA East is the first building on the right, followed by the Mellon Auditorium and EPA West.

From Rockville/areas northwest

  • South on I-270
  • Merge onto I-495 South (The Beltway) towards Northern Virginia
  • Cross the Potomac River
  • South on George Washington Memorial Parkway/Georgetown Pike at Exit 43-44 (to VA-193)
  • North on I-395 Exit
  • Cross the Potomac River
  • Bear to the left to exit on 14th Street NW
  • Cross the National Mall
  • Right onto Pennsylvania Avenue NW
  • Start looking for a garage to park in. There is underground parking in one building EPA is located in, the Ronald Reagan Building, and there are multiple garages on the other side of Pennsylvania Avenue on 12th, 13th, E, F, G and other nearby streets.
  • The main entrance to EPA's Federal Triangle campus is on 12th St. NW, a half block south of the intersection of 12th and Pennsylvania Avenue NW. About midway through the block headed south, follow the curve of the building to the center arch. and you'll see the Metro escalator for the Federal Triangle station. View a map of EPA's Federal Triangle campus.  Proceed to the building you are visiting. Facing away from 12th Street:
    • To your right is Ariel Rios North and to your left is Ariel Rios South.
    • Across the courtyard in front of you is the Reagan Building.
    • EPA East and West are along Constitution Avenue. To get there, turn around, walk out to 12th Street, turn right and walk to Constitution Avenue. EPA East is the first building on the right, followed by the Mellon Auditorium and EPA West.

Top of Page


Parking

Ronald Reagan Building and International Trade Center

There is an underground parking garage available for guests at $8/hour, not to exceed $22/day. The garage entrance is located at 13-1/2 Street off of Pennsylvania Avenue, opposite Freedom Plaza.

Visit the Ronald Reagan Building and International Trade Center's website Exit EPA Disclaimer  for more information on the parking garage.

Top of Page


Building access

Guests visiting EPA Headquarters need to have a valid photo identification to enter, may be asked to go through a metal detector, and must be signed-in and escorted by an EPA employee. Visitors may enter at these locations:

Ariel Rios North and South: Federal Triangle Metro stop entrances
EPA East and West: Constitution Avenue entrances
Ronald Reagan Building: 14th Street entrance

Top of Page

Take a Tour of the EPA

Visitors may take an outdoor walking tour of the EPA with a stop in an EPA building.  The tour provides information about EPA’s mission, goals, history, and the historic Federal Triangle location.  Tours are given on the second and fourth Thursday of every month, at 10AM and 2PM, and last approximately an hour.  For security reasons, tours must be scheduled at least a week in advance.  Submit requests for tours to tours@epa.gov.

International Visitors

EPA's International Visitors Program arranges appointments at EPA for visitors from outside the United States. The program is operated within the Office of International and Tribal Affairs (OITA) and currently hosts between 1,000 to 2,000 visitors annually (2-3 groups per day). Learn more about the program.

Contact the About EPA Web editor to request an update of this page or report a problem.

Jump to main content.