Public Asset Locator
The federal buildings the government owns or leases, from the U.S. General Services Administration's public Inventory of Owned and Leased Properties. We locate, we don't assess — a plain, sourced map of where the federal footprint is. Filter by state, ZIP, district, and tenure.
Data from GSA IOLP — Inventory of Owned and Leased Properties (public-domain / CC0)
13,937 federal assets — 7,584 owned, 6,353 leased, 527,428,892 sq ft total. Showing the largest 200.
| Asset | Agency | City | District | Tenure | Size | Year built | |
|---|---|---|---|---|---|---|---|
| JACOB K. JAVITS FB/CIT Building | General Services Administration (GSA) | NEW YORK, NY | NY-10 | Owned | 2,287,780 sq ft | 1968 | |
| HARRY S. TRUMAN Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 2,212,682 sq ft | 1941 | |
| REAGAN BLDG FOB Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 2,035,799 sq ft | 1996 | |
| AGRI SOUTH Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 2,014,653 sq ft | 1936 | |
| J EDGAR HOOVER BLDG Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 1,779,348 sq ft | 1971 | |
| HERBERT C. HOOVER BLDG Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 1,638,378 sq ft | 1932 | |
| 500, 501,600 CARLYLE Building | General Services Administration (GSA) | ALEXANDRIA, VA | VA-8 | Leased | 1,623,490 sq ft | — | |
| 500, 501,600 CARLYLE Building | General Services Administration (GSA) | ALEXANDRIA, VA | VA-8 | Owned | 1,623,490 sq ft | — | |
| MAJOR GENERAL EMMETT J. BEAN Building | General Services Administration (GSA) | INDIANAPOLIS, IN | IN-7 | Owned | 1,578,352 sq ft | 1953 | |
| SAM NUNN ATLANTA FEDERAL CENTER Building | General Services Administration (GSA) | ATLANTA, GA | GA-5 | Owned | 1,576,260 sq ft | 1996 | |
| NNSA KANSAS CITY PLANT Building | General Services Administration (GSA) | KANSAS CITY, MO | MO-5 | Leased | 1,509,950 sq ft | — | |
| NNSA KANSAS CITY PLANT Building | General Services Administration (GSA) | KANSAS CITY, MO | MO-5 | Owned | 1,509,950 sq ft | — | |
| FORRESTAL Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 1,445,097 sq ft | 1968 | |
| FRANCES PERKINS BLDG Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 1,373,327 sq ft | 1974 | |
| IRS HQ BUILDING Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 1,244,691 sq ft | 1936 | |
| PHILLIP BURTON,FB CT Building | General Services Administration (GSA) | SAN FRANCISCO, CA | CA-11 | Owned | 1,244,568 sq ft | 1964 | |
| EVERETT M. DIRKSEN Building | General Services Administration (GSA) | CHICAGO, IL | IL-7 | Owned | 1,213,357 sq ft | 1964 | |
| A J CELEBREZZE FB Building | General Services Administration (GSA) | CLEVELAND, OH | OH-11 | Owned | 1,194,674 sq ft | 1966 | |
| DOUGLAS A. MUNRO Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 1,189,223 sq ft | 2013 | |
| IRS KC CONSOLIDATED CAMPUS Building | General Services Administration (GSA) | KANSAS CITY, MO | MO-5 | Owned | 1,140,000 sq ft | — | |
| IRS KC CONSOLIDATED CAMPUS Building | General Services Administration (GSA) | KANSAS CITY, MO | MO-5 | Leased | 1,140,000 sq ft | — | |
| JOHN C. KLUCZYNSKI FED. BLDG. Building | General Services Administration (GSA) | CHICAGO, IL | IL-7 | Owned | 1,135,759 sq ft | 1974 | |
| ROBERT C. WEAVER BUILDING Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 1,121,914 sq ft | 1968 | |
| NEW CARROLLTON FED Building | General Services Administration (GSA) | LANHAM, MD | MD-4 | Owned | 1,111,359 sq ft | 1997 | |
| ROBERT M. BALL FEDERAL BLDG Building | General Services Administration (GSA) | WOODLAWN, MD | MD-7 | Owned | 1,059,705 sq ft | 1959 | |
| FEDERAL BUILDING - 300 N LA Building | General Services Administration (GSA) | LOS ANGELES, CA | CA-34 | Owned | 1,057,294 sq ft | 1965 | |
| STEWART LEE UDALL DEPT OF INTR Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 1,051,234 sq ft | 1936 | |
| WILBUR J COHEN BLDG Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 1,045,197 sq ft | 1939 | |
| RICHARD B. RUSSELL Building | General Services Administration (GSA) | ATLANTA, GA | GA-5 | Owned | 1,026,210 sq ft | 1979 | |
| ROBERT F. KENNEDY BLDG Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 1,025,261 sq ft | 1935 | |
| RICHARD BOLLING FEDERAL BUILDING Building | General Services Administration (GSA) | KANSAS CITY, MO | MO-5 | Owned | 1,019,254 sq ft | 1966 | |
| CHET HOLIFIELD FED BLDG Building | General Services Administration (GSA) | LAGUNA NIGUEL, CA | CA-49 | Owned | 1,003,646 sq ft | 1971 | |
| ROBERT A. YOUNG FEDERAL BUILDING Building | General Services Administration (GSA) | ST. LOUIS, MO | MO-1 | Owned | 999,790 sq ft | 1933 | |
| MERITEX LENEXA EXECUTIVE PARK Building | General Services Administration (GSA) | LENEXA, KS | KS-3 | Owned | 982,643 sq ft | — | |
| MERITEX LENEXA EXECUTIVE PARK Building | General Services Administration (GSA) | LENEXA, KS | KS-3 | Leased | 982,643 sq ft | — | |
| JOHN W POWELL FB Building | General Services Administration (GSA) | RESTON, VA | VA-11 | Owned | 980,731 sq ft | 1974 | |
| P V MCNAMARA F B Building | General Services Administration (GSA) | DETROIT, MI | MI-13 | Owned | 947,860 sq ft | 1972 | |
| FEDERAL BLDG-201 VA Building | General Services Administration (GSA) | NEW YORK, NY | NY-10 | Owned | 939,414 sq ft | 1929 | |
| PARKLAWN OFFICE BLDG Building | General Services Administration (GSA) | ROCKVILLE, MD | MD-8 | Leased | 935,386 sq ft | — | |
| PARKLAWN OFFICE BLDG Building | General Services Administration (GSA) | ROCKVILLE, MD | MD-8 | Owned | 935,386 sq ft | — | |
| THOMAS F. EAGLETON U.S. COURTHOUSE Building | General Services Administration (GSA) | ST. LOUIS, MO | MO-1 | Owned | 919,855 sq ft | 2000 | |
| RONALD DELLUMS FED BLDG Building | General Services Administration (GSA) | OAKLAND, CA | CA-12 | Owned | 903,298 sq ft | 1993 | |
| EARLE CABELL FOB/CTHS Building | General Services Administration (GSA) | DALLAS, TX | TX-30 | Owned | 900,895 sq ft | 1971 | |
| NEW IRS SERVICE CTR Building | General Services Administration (GSA) | MEMPHIS, TN | TN-9 | Owned | 891,270 sq ft | 1996 | |
| DOT HQ - WEST BUILDING Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 863,449 sq ft | 2019 | |
| 2970 MARKET STREET Building | General Services Administration (GSA) | PHILADELPHIA, PA | PA-3 | Leased | 862,692 sq ft | — | |
| 2970 MARKET STREET Building | General Services Administration (GSA) | PHILADELPHIA, PA | PA-3 | Owned | 862,692 sq ft | — | |
| ORVILLE WRIGHT Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 847,390 sq ft | 1963 | |
| WASH NAT RECORDS CT Building | General Services Administration (GSA) | SUITLAND, MD | MD-4 | Owned | 838,279 sq ft | 1967 | |
| JFK FEDERAL BUILDING Building | General Services Administration (GSA) | BOSTON, MA | MA-8 | Owned | 838,128 sq ft | 1966 | |
| NARA Building | General Services Administration (GSA) | LEES SUMMIT, MO | MO-5 | Leased | 806,794 sq ft | — | |
| NARA Building | General Services Administration (GSA) | LEES SUMMIT, MO | MO-5 | Owned | 806,794 sq ft | — | |
| JOSEPH P. ADDABBO FB Building | General Services Administration (GSA) | JAMAICA, NY | NY-5 | Owned | 806,094 sq ft | 1989 | |
| PEACHTREE SUMMIT FB Building | General Services Administration (GSA) | ATLANTA, GA | GA-5 | Owned | 804,003 sq ft | 1976 | |
| 4600 SILVER HILL - NORTH Building | General Services Administration (GSA) | SUITLAND, MD | MD-4 | Owned | 787,310 sq ft | 2006 | |
| TED WEISS FEDERAL BUILDING Building | General Services Administration (GSA) | NEW YORK, NY | NY-10 | Owned | 768,646 sq ft | 1994 | |
| EDWARD R ROYBAL FB & CH Building | General Services Administration (GSA) | LOS ANGELES, CA | CA-34 | Owned | 763,238 sq ft | 1993 | |
| HUBERT HUMPHREY BLDG Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 754,551 sq ft | 1976 | |
| JOHN J. MOAKLEY COURTHOUSE Building | General Services Administration (GSA) | BOSTON, MA | MA-8 | Owned | 754,057 sq ft | 1998 | |
| FEDERAL BUILDING AND US COURTHOUSE Building | General Services Administration (GSA) | LOS ANGELES, CA | CA-34 | Owned | 748,870 sq ft | 1940 | |
| JAMES A BYRNE US COURTHOUSE Building | General Services Administration (GSA) | PHILADELPHIA, PA | PA-2 | Owned | 735,495 sq ft | 1974 | |
| WILLIAM JEFFERSON CLINTON FED BLDG Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 735,471 sq ft | 1934 | |
| WM J GREEN JR FB Building | General Services Administration (GSA) | PHILADELPHIA, PA | PA-2 | Owned | 716,823 sq ft | 1973 | |
| HENRY M. JACKSON FEDERAL BUILDING Building | General Services Administration (GSA) | SEATTLE, WA | WA-7 | Owned | 711,298 sq ft | 1973 | |
| METCALFE BUILDING Building | General Services Administration (GSA) | CHICAGO, IL | IL-7 | Owned | 710,903 sq ft | 1991 | |
| FOUNDER'S SQUARE Building | General Services Administration (GSA) | ARLINGTON, VA | VA-8 | Leased | 708,040 sq ft | — | |
| PRINCE J. KUHIO FOB & CTHS Building | General Services Administration (GSA) | HONOLULU, HI | HI-1 | Owned | 707,320 sq ft | 1977 | |
| JOHN WELD PECK Building | General Services Administration (GSA) | CINCINNATI, OH | OH-1 | Owned | 691,206 sq ft | 1964 | |
| DEFENSE HEALTH HEADQUARTERS Building | General Services Administration (GSA) | FALLS CHURCH, VA | VA-8 | Owned | 686,085 sq ft | — | |
| DEFENSE HEALTH HEADQUARTERS Building | General Services Administration (GSA) | FALLS CHURCH, VA | VA-8 | Leased | 686,085 sq ft | — | |
| DANIEL P MOYNIHAN USCH Building | General Services Administration (GSA) | NEW YORK, NY | NY-10 | Owned | 684,442 sq ft | 1994 | |
| 2415 EISENHOWER AVENUE Building | General Services Administration (GSA) | ALEXANDRIA, VA | VA-8 | Leased | 682,111 sq ft | — | |
| 2415 EISENHOWER AVENUE Building | General Services Administration (GSA) | ALEXANDRIA, VA | VA-8 | Owned | 682,111 sq ft | — | |
| DFC BLDG 810 Building | General Services Administration (GSA) | LAKEWOOD, CO | CO-7 | Owned | 680,620 sq ft | 1965 | |
| 4600 SILVER HILL - SOUTH Building | General Services Administration (GSA) | SUITLAND, MD | MD-4 | Owned | 680,411 sq ft | 2007 | |
| H WASHINGTON CENTER Building | General Services Administration (GSA) | CHICAGO, IL | IL-7 | Owned | 679,697 sq ft | 1975 | |
| THOMAS P. O NEILL JR. FB Building | General Services Administration (GSA) | BOSTON, MA | MA-8 | Owned | 672,375 sq ft | 1986 | |
| FRITZ G. LANHAM FEDERAL BUILDING Building | General Services Administration (GSA) | FORT WORTH, TX | TX-12 | Owned | 669,264 sq ft | 1966 | |
| WILLIAM S. MOORHEAD FED. BLDG. Building | General Services Administration (GSA) | PITTSBURGH, PA | PA-12 | Owned | 667,240 sq ft | 1964 | |
| ALFONSE M. D'AMATO US CRTHSE Building | General Services Administration (GSA) | CENTRAL ISLIP, NY | NY-2 | Owned | 642,002 sq ft | 2000 | |
| THEODORE ROOSEVELT Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 631,023 sq ft | 1963 | |
| EDWARD J. SCHWARTZ FOB & CTHS Building | General Services Administration (GSA) | SAN DIEGO, CA | CA-50 | Owned | 627,880 sq ft | 1976 | |
| JOSEPH F, WEIS JR, UNITED STATES COURTHOUSE Building | General Services Administration (GSA) | PITTSBURGH, PA | PA-12 | Owned | 627,496 sq ft | 1934 | |
| VETERANS ADMIN Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 622,816 sq ft | 1919 | |
| SPRINGFIELD PARCEL C Building | General Services Administration (GSA) | SPRINGFIELD, VA | VA-11 | Leased | 622,812 sq ft | — | |
| SPRINGFIELD PARCEL C Building | General Services Administration (GSA) | SPRINGFIELD, VA | VA-11 | Owned | 622,812 sq ft | — | |
| THEODORE LEVIN US COURTHOUSE Building | General Services Administration (GSA) | DETROIT, MI | MI-13 | Owned | 619,880 sq ft | 1934 | |
| BYRON G.ROGERS FB-CT Building | General Services Administration (GSA) | DENVER, CO | CO-1 | Owned | 618,481 sq ft | 1966 | |
| DOT HQ EAST BUILDING Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 606,836 sq ft | 2019 | |
| 2 INDEP SQUARE Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 600,802 sq ft | — | |
| 2 INDEP SQUARE Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Leased | 600,802 sq ft | — | |
| HALE BOGGS FEDERAL BUILDING AND US COURTHOUSE Building | General Services Administration (GSA) | NEW ORLEANS, LA | LA-2 | Owned | 597,355 sq ft | 1976 | |
| CARL B STOKES U.S. COURT HOUSE Building | General Services Administration (GSA) | CLEVELAND, OH | OH-11 | Owned | 592,844 sq ft | 2002 | |
| G H FALLON FED BLDG Building | General Services Administration (GSA) | BALTIMORE, MD | MD-7 | Owned | 589,182 sq ft | 1967 | |
| JOHN W. MCCORMACK BUILDING Building | General Services Administration (GSA) | BOSTON, MA | MA-8 | Owned | 588,920 sq ft | 1933 | |
| BIRMINGHAM SOCIAL SECURITY CTR Building | General Services Administration (GSA) | BIRMINGHAM, AL | AL-5 | Leased | 587,528 sq ft | — | |
| BIRMINGHAM SOCIAL SECURITY CTR Building | General Services Administration (GSA) | BIRMINGHAM, AL | AL-5 | Owned | 587,528 sq ft | — | |
| BISHOP HENRY WHIPPLE FED. BLDG Building | General Services Administration (GSA) | FORT SNELLING, MN | MN-5 | Owned | 581,588 sq ft | 1969 | |
| TWO CONSTITUTION SQUARE Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Leased | 575,790 sq ft | — | |
| TWO CONSTITUTION SQUARE Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 575,790 sq ft | — | |
| 5900 CAPITAL GATEWAY DRIVE Building | General Services Administration (GSA) | SUITLAND, MD | MD-4 | Leased | 574,767 sq ft | — | |
| 5900 CAPITAL GATEWAY DRIVE Building | General Services Administration (GSA) | SUITLAND, MD | MD-4 | Owned | 574,767 sq ft | — | |
| NATL. CANCER INSTITUTE HDQTRS. Building | General Services Administration (GSA) | ROCKVILLE, MD | MD-8 | Leased | 574,614 sq ft | — | |
| NATL. CANCER INSTITUTE HDQTRS. Building | General Services Administration (GSA) | ROCKVILLE, MD | MD-8 | Owned | 574,614 sq ft | — | |
| 536 S. CLARK CHICAGO IL FEDERAL BUILDING Building | General Services Administration (GSA) | CHICAGO, IL | IL-7 | Owned | 569,051 sq ft | 1912 | |
| DOE MAIN BLDG GTN Building | General Services Administration (GSA) | GERMANTOWN, MD | MD-6 | Owned | 567,579 sq ft | 1957 | |
| IRON MOUNTAIN/NATIONAL Building | General Services Administration (GSA) | BOYERS, PA | PA-16 | Owned | 565,436 sq ft | — | |
| IRON MOUNTAIN/NATIONAL Building | General Services Administration (GSA) | BOYERS, PA | PA-16 | Leased | 565,436 sq ft | — | |
| SEATTLE US DISTRICT COURTHOUSE Building | General Services Administration (GSA) | SEATTLE, WA | WA-7 | Owned | 561,997 sq ft | 2004 | |
| CONSTITUTION CENTER Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Leased | 561,458 sq ft | — | |
| CONSTITUTION CENTER Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 561,458 sq ft | — | |
| ZACHARY TAYLOR Building | General Services Administration (GSA) | ARLINGTON, VA | VA-8 | Owned | 558,187 sq ft | — | |
| ZACHARY TAYLOR Building | General Services Administration (GSA) | ARLINGTON, VA | VA-8 | Leased | 558,187 sq ft | — | |
| IRS SERVICE CENTER- Building | General Services Administration (GSA) | HOLTSVILLE, NY | NY-2 | Owned | 557,249 sq ft | 1972 | |
| MARY E. SWITZER BUILDING Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 555,888 sq ft | 1940 | |
| LYNDON B. JOHNSON FEDERAL BLDG Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 550,800 sq ft | 1959 | |
| ROBERT T MATSUI US COURTHOUSE Building | General Services Administration (GSA) | SACRAMENTO, CA | CA-7 | Owned | 549,671 sq ft | 1999 | |
| PERIMETER EAST BUILDING Building | General Services Administration (GSA) | WOODLAWN, MD | MD-7 | Owned | 546,747 sq ft | 1979 | |
| THURGOOD MARSHALL USCH Building | General Services Administration (GSA) | NEW YORK, NY | NY-10 | Owned | 541,013 sq ft | 1936 | |
| REAGAN BLDG TRADE CT Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 539,485 sq ft | 1996 | |
| 6100 WABASH AVE Building | General Services Administration (GSA) | BALTIMORE, MD | MD-7 | Owned | 538,000 sq ft | — | |
| 6100 WABASH AVE Building | General Services Administration (GSA) | BALTIMORE, MD | MD-7 | Leased | 538,000 sq ft | — | |
| COLUMBIA PLAZA - 2401 E ST Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 536,416 sq ft | 1966 | |
| CHARLES EVANS WHITTAKER U.S. COURTHOUSE Building | General Services Administration (GSA) | KANSAS CITY, MO | MO-5 | Owned | 535,197 sq ft | 1998 | |
| FRANK HAGEL FEDERAL BUILDING Building | General Services Administration (GSA) | RICHMOND, CA | CA-8 | Owned | 534,599 sq ft | 1975 | |
| MIDATLANTIC SOCIAL SEC. CNTR Building | General Services Administration (GSA) | PHILADELPHIA, PA | PA-2 | Owned | 534,016 sq ft | 1974 | |
| ELIJAH BARRETT PRETTYMAN BLDG Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 530,211 sq ft | 1952 | |
| LOS ANGELES FEDERAL COURTHOUSE Building | General Services Administration (GSA) | LOS ANGELES, CA | CA-34 | Owned | 529,454 sq ft | 2016 | |
| GSA Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 525,863 sq ft | 1917 | |
| PATRIOTS PARK Building | General Services Administration (GSA) | RESTON, VA | VA-11 | Owned | 523,482 sq ft | — | |
| PATRIOTS PARK Building | General Services Administration (GSA) | RESTON, VA | VA-11 | Leased | 523,482 sq ft | — | |
| SPEAKER NANCY PELOSI FEDERAL BUILDING Building | General Services Administration (GSA) | SAN FRANCISCO, CA | CA-11 | Owned | 521,278 sq ft | 2007 | |
| ROSA PARKS FEDERAL BUILDING Building | General Services Administration (GSA) | DETROIT, MI | MI-13 | Owned | 518,762 sq ft | 1995 | |
| 1800 G STREET N W Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 517,044 sq ft | — | |
| 1800 G STREET N W Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Leased | 517,044 sq ft | — | |
| RONALD REAGAN FB & CH Building | General Services Administration (GSA) | SANTA ANA, CA | CA-46 | Owned | 515,065 sq ft | 1999 | |
| HUNT MIDWEST, SUBTROP BLDG 81C Building | General Services Administration (GSA) | KANSAS CITY, MO | MO-5 | Owned | 513,369 sq ft | — | |
| HUNT MIDWEST, SUBTROP BLDG 81C Building | General Services Administration (GSA) | KANSAS CITY, MO | MO-5 | Leased | 513,369 sq ft | — | |
| SS METRO CTR 3 Building | General Services Administration (GSA) | SILVER SPRING, MD | MD-8 | Owned | 512,774 sq ft | — | |
| SS METRO CTR 3 Building | General Services Administration (GSA) | SILVER SPRING, MD | MD-8 | Leased | 512,774 sq ft | — | |
| LINCOLN PLACE Building | General Services Administration (GSA) | ARLINGTON, VA | VA-8 | Leased | 511,597 sq ft | — | |
| LINCOLN PLACE Building | General Services Administration (GSA) | ARLINGTON, VA | VA-8 | Owned | 511,597 sq ft | — | |
| FEDERAL BUILDING - 11000 WILSHIRE Building | General Services Administration (GSA) | LOS ANGELES, CA | CA-32 | Owned | 511,269 sq ft | 1969 | |
| UNION CENTER PLAZA IV Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 503,997 sq ft | 1995 | |
| POTOMAC CENTER NORTH Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Leased | 502,997 sq ft | — | |
| POTOMAC CENTER NORTH Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 502,997 sq ft | — | |
| NORTH BRANCH INDUSTRIAL COMPLE Building | General Services Administration (GSA) | CUMBERLAND, MD | MD-6 | Leased | 500,000 sq ft | — | |
| NORTH BRANCH INDUSTRIAL COMPLE Building | General Services Administration (GSA) | CUMBERLAND, MD | MD-6 | Owned | 500,000 sq ft | — | |
| BOB CASEY FEDERAL BUILDING UNITED STATES COURTHOUSE Building | General Services Administration (GSA) | HOUSTON, TX | TX-18 | Owned | 498,609 sq ft | 1962 | |
| CONRAD B DUBERSTEIN USBNK CTHS Building | General Services Administration (GSA) | BROOKLYN, NY | NY-7 | Owned | 495,107 sq ft | 1892 | |
| CONSTITUTION SQUARE 4 Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 493,620 sq ft | — | |
| CONSTITUTION SQUARE 4 Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Leased | 493,620 sq ft | — | |
| IRS SERVICE CENTER - OGDEN Building | General Services Administration (GSA) | OGDEN, UT | UT-1 | Owned | 493,219 sq ft | 1966 | |
| PARKLAWN NORTH Building | General Services Administration (GSA) | ROCKVILLE, MD | MD-8 | Owned | 490,998 sq ft | — | |
| PARKLAWN NORTH Building | General Services Administration (GSA) | ROCKVILLE, MD | MD-8 | Leased | 490,998 sq ft | — | |
| DFC BLDG 41 Building | General Services Administration (GSA) | LAKEWOOD, CO | CO-7 | Owned | 489,251 sq ft | 1941 | |
| IRS SW SERVICE CENTER Building | General Services Administration (GSA) | AUSTIN, TX | TX-35 | Owned | 486,003 sq ft | 1963 | |
| BPA BUILDING Building | General Services Administration (GSA) | PORTLAND, OR | OR-3 | Owned | 483,255 sq ft | 1987 | |
| SANDRA D. O'CONNOR COURTHOUSE Building | General Services Administration (GSA) | PHOENIX, AZ | AZ-3 | Owned | 481,696 sq ft | 2000 | |
| GEOSPACE, INC Building | General Services Administration (GSA) | INDEPENDENCE, MO | MO-5 | Owned | 481,004 sq ft | — | |
| GEOSPACE, INC Building | General Services Administration (GSA) | INDEPENDENCE, MO | MO-5 | Leased | 481,004 sq ft | — | |
| WILKIE D. FERGUSON, JR. Building | General Services Administration (GSA) | MIAMI, FL | FL-27 | Owned | 480,811 sq ft | 2008 | |
| THEODORE ROOSEVELT US CTHS Building | General Services Administration (GSA) | BROOKLYN, NY | NY-10 | Owned | 478,589 sq ft | 2005 | |
| 450 LIBERTY SQUARE Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 477,473 sq ft | — | |
| 450 LIBERTY SQUARE Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Leased | 477,473 sq ft | — | |
| 1829 DUNN ROAD Building | General Services Administration (GSA) | ST. LOUIS, MO | MO-1 | Owned | 474,690 sq ft | — | |
| 1829 DUNN ROAD Building | General Services Administration (GSA) | ST. LOUIS, MO | MO-1 | Leased | 474,690 sq ft | — | |
| SENTINEL SQUARE III Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 473,000 sq ft | — | |
| SENTINEL SQUARE III Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Leased | 473,000 sq ft | — | |
| DIANA E. MURPHY U. S. COURTHOUSE Building | General Services Administration (GSA) | MINNEAPOLIS, MN | MN-5 | Owned | 469,601 sq ft | 1997 | |
| LAFAYETTE Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 464,770 sq ft | 1940 | |
| 600 19TH ST. NW Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 463,151 sq ft | — | |
| 600 19TH ST. NW Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Leased | 463,151 sq ft | — | |
| ANCHORAGE FED. BLDG & JAMES M. FITZGERALD USCH Building | General Services Administration (GSA) | ANCHORAGE, AK | AK-0 | Owned | 455,604 sq ft | 1976 | |
| MARK O. HATFIELD US COURTHOUSE Building | General Services Administration (GSA) | PORTLAND, OR | OR-1 | Owned | 452,012 sq ft | 1997 | |
| US SECRET SERV HDQTR Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 451,655 sq ft | 1999 | |
| PETER W. RODINO FB Building | General Services Administration (GSA) | NEWARK, NJ | NJ-8 | Owned | 445,394 sq ft | 1968 | |
| 22001 LOUDON COUNTY PARKWAY Building | General Services Administration (GSA) | ASHBURN, VA | VA-10 | Leased | 444,595 sq ft | — | |
| 22001 LOUDON COUNTY PARKWAY Building | General Services Administration (GSA) | ASHBURN, VA | VA-10 | Owned | 444,595 sq ft | — | |
| SUMNER DISTRIBUTION CENTER Building | General Services Administration (GSA) | SUMNER, WA | WA-10 | Owned | 441,250 sq ft | — | |
| SUMNER DISTRIBUTION CENTER Building | General Services Administration (GSA) | SUMNER, WA | WA-10 | Leased | 441,250 sq ft | — | |
| ANNEX TO SOC SEC Building | General Services Administration (GSA) | WOODLAWN, MD | MD-7 | Owned | 439,698 sq ft | 1963 | |
| CHICAGO FBI BUILDING Building | General Services Administration (GSA) | CHICAGO, IL | IL-7 | Owned | 439,522 sq ft | — | |
| CHICAGO FBI BUILDING Building | General Services Administration (GSA) | CHICAGO, IL | IL-7 | Leased | 439,522 sq ft | — | |
| POTTER STEWART U.S. COURTHOUSE Building | General Services Administration (GSA) | CINCINNATI, OH | OH-1 | Owned | 437,200 sq ft | 1938 | |
| EPA EAST Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 436,678 sq ft | 1935 | |
| US CUSTOMHOUSE PHILADELPHIA Building | General Services Administration (GSA) | PHILADELPHIA, PA | PA-2 | Owned | 436,606 sq ft | 1934 | |
| APPRAISERS BLDG Building | General Services Administration (GSA) | SAN FRANCISCO, CA | CA-11 | Owned | 434,401 sq ft | 1944 | |
| 445 12TH ST SW Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 431,785 sq ft | — | |
| 445 12TH ST SW Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Leased | 431,785 sq ft | — | |
| MILWAUKEE WI FED BLDG & US CTHSE Building | General Services Administration (GSA) | MILWAUKEE, WI | WI-4 | Owned | 428,881 sq ft | 1899 | |
| FRC BLDG 22 OFFICE Building | General Services Administration (GSA) | SILVER SPRING, MD | MD-8 | Owned | 421,186 sq ft | 2005 | |
| EDWARD A GARMATZ US CH Building | General Services Administration (GSA) | BALTIMORE, MD | MD-7 | Owned | 421,031 sq ft | 1973 | |
| ROMANO MAZZOLI FB Building | General Services Administration (GSA) | LOUISVILLE, KY | KY-3 | Owned | 419,084 sq ft | 1969 | |
| EDITH GREEN - WENDELL WYATT FEDERAL BUILDING Building | General Services Administration (GSA) | PORTLAND, OR | OR-1 | Owned | 418,159 sq ft | 1975 | |
| VETERANS ADMINISTRATION CENTER Building | General Services Administration (GSA) | PHILADELPHIA, PA | PA-3 | Owned | 418,153 sq ft | 1996 | |
| POST OFFICE OLD Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 414,691 sq ft | 1899 | |
| EPA WEST Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Owned | 413,494 sq ft | 1934 | |
| FEDERAL CENTER SOUTH OFFICE Building | General Services Administration (GSA) | SEATTLE, WA | WA-7 | Owned | 413,219 sq ft | 1932 | |
| POTOMAC CENTER Building | General Services Administration (GSA) | WASHINGTON, DC | DC-98 | Leased | 408,891 sq ft | — |
Owned = a building the federal government owns; Leased = one it rents. Size is rentable square feet where reported. Each row links to its GSA record. Missing values render "—", never a guess. This is a locator, not an assessment — CivicGate shows where the federal footprint is, without judgment.