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Administrative Hearings, Office of
Headquarters
441 4th Street, NW, Suite 450 North,
Washington DC 20001
Building: One Judiciary Square
Office Hours
Monday to Friday, 9 am to 5 pm, except District holidays
Phone: (202) 442-9094
Aging and Community Living, Department of
Headquarters
500 K Street, NE,
Washington DC 20002
Office Hours
Monday to Friday, 9:30 am to 4:30 pm
Phone: (202) 724-5626
Advisory Neighborhood Commissions, Office of
Headquarters
1350 Pennsylvania Avenue, NW, Suite 11,
Washington DC 20004
Building: John A Wilson Building
Phone: (202) 727-9945
Email: [email protected]
African American Affairs, Mayor’s Office on
Headquarters
1350 Pennsylvania Avenue, NW, Suite 332,
Washington DC 20004
Office Hours
Monday to Friday, 9 am to 5 pm.
Phone: (202) 442-8150
Arts and Humanities, Commission on the
Headquarters
200 I Street, SE, Suite 1400,
Washington DC 20003
Office Hours
Monday to Friday, 9 am to 5:30 pm
Phone: (202) 724-5613
Email: [email protected]
Asian and Pacific Islander Affairs, Mayor's Office on
Headquarters
441 4th Street, NW, Suite 721 North,
Washington DC 20001
Office Hours
Monday to Friday, 9 am to 5 pm
Phone: (202) 727-3120
Email: [email protected]
Attorney General, Office of the
Headquarters
400 6th Street, NW,
Washington DC 20001
Office Hours
Monday to Friday, 8:30 am to 5 pm
Phone: (202) 727-3400
Email: [email protected]
Behavioral Health, Department of
Headquarters
64 New York Avenue, NE, 3rd Floor,
Washington DC 20002
Office Hours
Monday to Friday, 8:15 am to 5:00 pm, except District holidays
Phone: (202) 673-2200
Email: [email protected]
Campaign Finance, Office
Headquarters
1015 Half Street, SE, Suite 775,
Washington DC 20003
Office Hours
Monday to Friday, 8:30 am to 4:30 pm, except on filing deadlines until 5:30 pm
Phone: (202) 671-0547
Email: [email protected]
Child and Family Services Agency
Headquarters
200 I Street, SE,
Washington DC 20003
Office Hours
Monday to Friday 8:15 am to 4:45 pm
Phone: (202) 442-6100
Email: [email protected]
Child Support Services Division
Headquarters
400 6th Street, NW, Suite 8300,
Washington DC 20001
Office Hours
Monday to Friday, 8:15 am to 4:45 pm, except District holidays
Phone: (202) 442-9900
Email: [email protected]
City Administrator, Office of the
Headquarters
1350 Pennsylvania Avenue, NW, Suite 513,
Washington DC 20004
Building: John A Wilson Building
Office Hours
Monday to Friday, 9 am to 6 pm, except District holidays
Phone: (202) 478-9200
Email: [email protected]
Community Affairs, Office of
Headquarters
1350 Pennsylvania Avenue, NW, Suite 332,
Washington DC 20004
Office Hours
Monday to Friday 9 am to 5 pm.
Phone: (202) 442-8150
Community Relations and Services, Mayor's Office of
Headquarters
1350 Pennsylvania Avenue, NW, 332,
Washington DC 20004
Building: John A. Wilson
Office Hours
Monday - Friday 9 am - 5 pm
Phone: (202) 442-8150
Email: [email protected]
Contract Appeals Board
Headquarters
441 4th Street, NW, Suite 350 North,
Washington DC 20001
Building: One Judiciary Square
Office Hours
Monday to Friday, 9 am to 5 pm, except District holidays
Phone: (202) 727-6597
Email: [email protected]
Corrections, Department of
Headquarters
3924 Minnesota Avenue, NE, 2nd Floor,
Washington DC 20019
Office Hours
Monday to Friday, 8 am to 5 pm
Phone: (202) 698-4932
Email: [email protected]
Criminal Code Reform Commission
Headquarters
441 4th Street, NW, 1C001S,
Washington DC 20001
Office Hours
Monday to Friday, 9 am to 5 pm
Phone: (202) 394-5412
Email: [email protected]
Criminal Justice Coordinating Council
Headquarters
441 4th Street, NW, Suite 715 North,
Washington DC 20001
Office Hours
Monday to Friday, 8:30 am to 5 pm
Phone: (202) 442-9283
Email: [email protected]
DC-Net
Headquarters
655 15th Street, NW,
Washington DC 20005
Office Hours
Monday to Friday, 8:30 am to 5:30 pm.
Phone: (202) 715-3800
Email: [email protected]
Buildings, Department of
Headquarters
1100 4th Street, SW,
Washington DC 20024
Office Hours
Monday, Tuesday, Wednesday, Friday 8:30 am to 4:30 pm and Thursday 9:30 am to 4:30 pm
Phone: (202) 671-3500
Email: [email protected]
Licensing and Consumer Protection, Department of
Headquarters
1100 4th Street, SW,
Washington DC 20024
Office Hours
Monday, Tuesday, Wednesday, Friday 8:30 am to 4:30 pm and Thursday 9:30 am to 4:30 pm.
Phone: (202) 671-4500
Email: [email protected]
Disability Rights, Office of
Headquarters
441 4th Street, NW, 729,
Washington DC 20001
Office Hours
Monday to Friday, 8:45 am to 4:45 pm, except District holidays
Phone: (202) 724-5055
Email: [email protected]
Disability Services, Department of
Headquarters
250 E Street, SW
Washington, DC 20024
Office Hours
Monday to Friday, 8:30 am to 5 pm
Phone: (202) 730-1700
Fax: (202) 730-1843
Email: [email protected]
Emergency and Safety Alliance
Headquarters
2235 Shannon Place SE, Suite 3040, 5th Floor,
Washington DC 20020
Office Hours
Monday to Friday, 8 am to 4.30 pm
Phone: (202) 576-8962
Email: [email protected]
Employee Appeals, Office of
Headquarters
955 L'Enfant Plaza, SW, Suite 2500, Washington, DC 20024
Phone: (202) 727-0004
Employment Services, Department of
Headquarters
4058 Minnesota Avenue, NE,
Washington DC 20019
Office Hours
Monday to Friday, 8:30 am to 5 pm
Phone: (202) 724-7000
Energy & Environment, Department of
Headquarters
1200 First Street NE,
Washington DC 20002
Office Hours
Monday to Friday, 9 am to 5 pm
Phone: (202) 535-2600
Email: [email protected]
Ethics and Government Accountability, Board of
Headquarters
1030 15th Street, NW, 700 West,
Washington DC 20005
Building: The Executive Building
Phone: (202) 481-3411
Email: [email protected]
For-Hire Vehicles, DC Department of
Headquarters
2235 Shannon Place SE,
Washington, DC 20020
Building: Client Services Suite 2001/Executive Offices Suite 3001
Office Hours
Monday to Friday, 8:30 am to 4:30 pm, except District holidays. Applications accepted until 3:30 pm.
Phone: (202) 645-7300
General Services, Department of
Headquarters
3924 Minnesota Avenue, NE,
Washington DC 20019
Office Hours
Monday to Friday, 9 am to 5 pm, except District holidays
Phone: (202) 727-2800
Email: [email protected]
Government Operations Cluster
Headquarters
441 4th Street, NW, Suite 890 North,
Washington DC 20001
Building: One Judiciary Square
Office Hours
Monday to Friday, 8 am to 5 pm, except District holidays
Phone: (202) 727-0333
Health and Human Services, Office of the Deputy Mayor for
Headquarters
1350 Pennsylvania Avenue, NW, Suite 223,
Washington DC 20004
Office Hours
Monday to Friday, 9 am to 5:30 pm
Phone: (202) 727-7973
Email: [email protected]
Health Benefit Exchange Authority
Headquarters
1225 Eye Street, NW, Suite 400,
Washington DC 20005
Office Hours
Monday to Friday, 8 am to 5:30 pm
Phone: (202) 715-7576
Health Care Finance, Department
Headquarters
441 4th Street, NW, 900S,
Washington DC 20001
Office Hours
Monday to Friday, 8:15 am to 4:45 pm
Phone: (202) 442-5988
Email: [email protected]
Homeland Security and Emergency Management Agency
Headquarters
2720 Martin Luther King Jr Avenue SE,
Washington DC 20032
Office Hours
Monday to Friday, 8:30 am to 5 pm
Phone: (202) 727-6161
Homelessness, Interagency Council on
Headquarters
1350 Pennsylvania Avenue, NW, Suite 223,
Washington DC 20004
Building: John A. Wilson Building
Phone: (202) 724-1338
Email: [email protected]
Human Resources, Department of
Headquarters
1015 Half Street, SE, 9th Floor,
Washington DC 20003
Office Hours
Monday to Friday, 8 am to 5 pm
Phone: (202) 442-9700
Email: [email protected]
Human Services, Department of
Headquarters
64 New York Avenue, NE, 6th Floor,
Washington DC 20002
Office Hours
Monday to Friday, 8:15 am to 4:45 pm
Phone: (202) 671-4200
Inspector General, Office of the
Headquarters
100 M Street, SE, Suite 1000,
Washington DC 20003
Office Hours
Monday to Friday, 8 am to 5:30 pm, except District holidays
Phone: (202) 727-2540
Email: [email protected]
Insurance, Securities and Banking, Department of
Headquarters
1050 First Street, NE, 801,
Washington DC 20002
Office Hours
Monday to Friday, 8:15 am to 4:45 pm, except District holidays
Phone: (202) 727-8000
Email: [email protected]
Judicial Disabilities and Tenure, Commission on
Headquarters
515 5th Street, NW, Suite 246,
Washington DC 20001
Office Hours
Monday to Friday, 8:30 am to 5 pm
Phone: (202) 727-1363
Email: [email protected]
Judicial Nomination Commission
Headquarters
515 5th Street, NW, Suite 235,
Washington DC 20001
Office Hours
Monday to Friday, 9 am to 5 pm
Phone: (202) 879-0477
Email: [email protected]
Labor Relations and Collective Bargaining, Office of
Headquarters
441 4th Street, NW, Suite 820 North,
Washington DC 20001
Building: One Judiciary Square
Office Hours
Monday to Friday, 9 am to 5:30 pm, except District holidays
Phone: (202) 724-4953
Email: [email protected]
Library, DC Public
Headquarters
901 G St. NW ,
Washington DC 20001
Office Hours
Administrative Office Hours: Monday to Friday, 9 am to 5:30 pm, except District holidays
Phone: (202) 727-1101
Mayor, Executive Office of the
View the Government of the District of Columbia Organizational Chart and Organizational Charts for Agencies and Offices Under the Mayor's Authority.
Executive Office of the Mayor
Headquarters
1350 Pennsylvania Avenue, NW,
Washington DC 20004
Building: John A. Wilson Building
Phone: (202) 727-2643
Email: [email protected]
Metropolitan Police Department
Headquarters
441 4th Street, NW, 7th Floor,
Washington DC 20001
Phone: (202) 727-9099
Email: [email protected]
Partnerships and Grant Services, Office of
Headquarters
441 4th Street, NW, 707 North,
Washington DC 20001
Building: One Judiciary Square
Office Hours
Monday to Friday, 9 am to 5 pm, except District holidays
Phone: (202) 727-8900
Email: [email protected]
Planning and Economic Development, Office of Deputy Mayor
Headquarters
1350 Pennsylvania Avenue, NW, Suite 317,
Washington DC 20004
Office Hours
Monday to Friday, 8:30 am to 5:30 pm
Phone: (202) 727-6365
Email: [email protected]
Planning, Office
Headquarters
899 North Capitol Street, NE, Suite 7100,
Washington DC 20002
Office Hours
Monday to Friday, 8:30 am to 5 pm, except District holidays
Phone: (202) 442-7600
Email: [email protected]
Police Complaints, Office of
Headquarters
1400 I Street, NW, Suite 700,
Washington DC 20005
Office Hours
Monday to Friday, 8:30 am to 5 pm
Phone: (202) 727-3838
Public Employee Relations Board
Headquarters
899 North Capitol Street, NE, Suite 8600,
Washington DC 20002
Office Hours
Monday - Friday, 8:30 am - 4:45 pm
Phone: (202) 727-1822
Email: [email protected]
Public Works, Department of
Headquarters
899 North Capitol Street, NE,
Washington DC 20002
Office Hours
Monday to Friday, 8:30 am to 4:30 pm, except District holidays
Phone: (202) 673-6833
Email: [email protected]
Real Property Tax Appeals Commission
Headquarters
441 4th Street, NW, Suite 360 North,
Washington DC 20001
Office Hours
Monday to Friday, 9 am to 5:30 pm
Phone: (202) 727-6860
Email: [email protected]
Rental Housing Commission
Headquarters
441 4th Street, NW, Suite 1140B North,
Washington DC 20001
Building: One Judiciary Square
Office Hours
Monday to Friday 8:30am to 4:30 pm: except Districtwide closures
Phone: (202) 442-8949
Retirement Board, DC
Headquarters
900 7th Street NW, 2nd Floor,
Washington DC 20001
Office Hours
Monday to Friday, 8:30 am to 5 pm, except District holidays
Phone: (202) 343-3200
Email: [email protected]
Safe Passage
Headquarters
1350 Pennsylvania Avenue, NW,
Washington DC 20004
Email: [email protected]
Secretary, Office of the
Headquarters
1350 Pennsylvania Avenue NW, Suite 419,
Washington DC 20004
Office Hours
Monday to Friday, 9 am to 5 pm
Phone: (202) 727-6306
Email: [email protected]
Senior Advisor, Office of the
Headquarters
1350 Pennsylvania Avenue, NW, Suite 324,
Washington DC 20004
Building: John A. Wilson Building
Phone: (202) 724-7173
Sentencing Commission, DC
Headquarters
441 4th Street, NW, Suite #430,
Washington DC 20001
Office Hours
Monday to Friday, 9 am to 5 pm, except District holidays
Phone: (202) 727-8822
Email: [email protected]
Serve DC
Headquarters
2235 Shannon Place SE, Suite 3040,
Washington DC 20020
Phone: (202) 727-7925
Tenant Advocate, Office
Headquarters
899 North Capitol Street, NE, Suite 6200,
Washington DC 20002
Office Hours
Walk-ins: M-Th: 9:30 am-3 pm/ Phone intakes: M-F: 8:45 am-4:45 pm
Phone: (202) 719-6560
Transportation, Department of
Headquarters
250 M Street SE,
Washington DC 20003
Office Hours
Monday to Friday, 8:15 am to 4:45 pm
Phone: (202) 673-6813
Email: [email protected]
Veterans Affairs, Office of
Headquarters
441 4th Street, NW, Suite 707 North,
Washington DC 20001
Office Hours
Monday to Friday, 9 am to 5 pm
Phone: (202) 724-5454
Email: [email protected]
Youth Advisory Council, DC
Headquarters
2235 Shannon Place SE, Suite 3040, Suite 400 North,
Washington DC 20020
Building: Frank D. Reeves Center for Municipal Affairs
Office Hours
Monday to Friday, 9 am to 5 pm
Phone: (202) 727-7966
Email: [email protected]
Zoning, Office of
Headquarters
441 4th Street, NW,
Washington DC 20001
Office Hours
Monday to Friday, 8.30 am to 5 pm
Phone: (202) 727-6311
Board of Ethics and Government Accountability
The Executive Building
1030 15th Street NW,
Suite 700 West,
Washington, DC 20005
Phone: (202) 481-3411
Office Hours
Monday to Friday, 9:00 am to 5 pm
Phone: (202) 481-3411
Alternate Number:
Hotline: (202) 535-1002
Email: [email protected]
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Last updated: 1:18 PM EST December 17, 2025
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