OG 25-311

HPA number

HPA 25-375

Location

3414 O Street, NW
United States

Property

Residence

Description

New window well at front, rear deck, basement addition

Review Type

Concept

Previous Review

OG 25-311

Recommendation

No objection to concept design for new window well at front and addition at rear, per supplemental materials received 16 February 2026, PROVIDED the window well is only as wide as the existing window, or minimum size as required by DOB, and Option 2 is used at the rear addition. Meters may be located in window well as long as minimal space is required for installation. File permit submission at DOB with detailed and dimensioned drawings for review by the Commission.

Air Force Memorial Foundation
American Battle Monuments Commission (ABMC)
Anacostia Waterfront Corporation
Armed Forces Retirement Home Agency (AFRH)
Association for the Preservation of Historic Congressional Cemetery
Billy White
Board of Governors of the Federal Reserve System
Community College of D.C. (CCDC)
Consumer Financial Protection Bureau (CFPB)
Court Services and Offender Supervision Agency for the District of Columbia
Cultural Tourism DC
D.C. Army National Guard
D.C. Commission on the Arts and Humanities (DCCAH)
D.C. Courts
D.C. Department of Buildings (DOB)
D.C. Department of Consumer and Regulatory Affairs (DCRA)
D.C. Department of General Services (DGS)
D.C. Department of Housing and Community Development
D.C. Department of Mental Health
D.C. Department of Parks and Recreation (DPR)
D.C. Department of Real Estate Services (DRES)
D.C. Department of the Environment (DDOE)
D.C. Department of Transportation (DDOT)
D.C. Department of Transportation, Public Space Management Administration
D.C. Department of Transportation, Urban Forestry Administration (UFA)
D.C. Fire and Emergency Medical Services Department (FEMS)
D.C. Housing Authority
D.C. Office of Planning (OP)
D.C. Office of Property Management
D.C. Office of Public Education Facilities Modernization (OPEFM)
D.C. Office of the Chief Technology Officer
D.C. Office of the Deputy Mayor for Planning and Economic Development (DMPED)
D.C. Office of the Secretary
D.C. Office on Aging
D.C. Public Library (DCPL)
D.C. Public Schools (DCPS)
D.C. Sports and Entertainment Commission
DC Water
District of Columbia
Dupont Circle BID (DCBID)
Events DC: Washington Convention and Sports Authority
Executive Office of the President
Federal Bureau of Investigation (FBI)
Federal Emergency Management Agency (FEMA)
Federal Highway Administration (FHWA)
Federal National Mortgage Association (FNMA)
Federal Railroad Administration (FRA)
Forest City Washington
Georgetown Children's Home Endowment
Green Spaces for DC
Historic Dupont Circle Main Streets (HDCMS)
Institute of Heraldry
John F. Kennedy Center for the Performing Arts
L'Enfant Plaza Project Team
Maryland Transit Administration
Metropolitan Police Department of D.C. (MPD)
Monumental Sports & Entertainment
National Archives and Records Administration (NARA)
National Capital Planning Commission (NCPC)
National Children's Museum
National Coalition to Save Our Mall
National Gallery of Art (NGA)
National Law Enforcement Officers Memorial Fund
National Museum of African American History and Culture Plan for Action Presidential Commission
National Museum of the American Latino Commission
National Park Service (NPS)
National Railroad Passenger Corporation (Amtrak)
Organization of American States (OAS)
Pan American Health Organization (PAHO)
Smithsonian Institution
The Executive Residence
U.S. Army Corps of Engineers
U.S. Army Corps of Engineers, Baltimore District
U.S. Commission of Fine Arts (CFA)
U.S. Department of Agriculture
U.S. Department of Defense
U.S. Department of Education
U.S. Department of Energy
U.S. Department of Homeland Security (DHS)
U.S. Department of Justice
U.S. Department of State
U.S. Department of the Air Force
U.S. Department of the Army
U.S. Department of the Interior
U.S. Department of the Navy
U.S. Department of the Treasury
U.S. Department of Transportation
U.S. Department of Veterans Affairs
U.S. General Accounting Office (GAO)
U.S. General Services Administration (GSA)
U.S. Government Accountability Office (GAO)
U.S. Institute of Peace (USIP)
U.S. Mint
U.S. Peace Corps
U.S. Secret Service (USSS)
Union Station Redevelopment Corporation (USRC)
University of the District of Columbia (UDC)
Virginia Passenger Rail Authority (VPRA)
Washington Convention Center Authority
Washington Metropolitan Area Transit Authority (WMATA)

Meeting Status

Recommendation