Awards for Firm Work
- American Institute of Architects Architectural Firm Award (1988)
- The Institute for Classical Architecture & Classical America Arthur Ross Award for Architecture (2006)
- International Award For Masonry Architecture (1972)
- 1990 Domino’s 30 Award (1990)
Awards for Buildings
- AIA National Honor Awards
- Brewer Residence, Chevy Chase, MD (1970)
- Chapel for Mount Vernon College, Washington, DC (1971)
- National Permanent Building, Washington, DC (1981)
- Immanuel Presbyterian Church, McLean, VA (1983)
- Folger Shakespeare Library, Washington, DC (1989)
- Chrysler Museum, Norfolk, VA (1994)
- Federal Design Achievement Award
- U.S. Embassy, Kuala Lumpur, Malaysia (1988)
- AIA & American Library Association Awards
- Folger Shakespeare Library, Washington, DC (1985)
- The Jefferson Library, Monticello, Charlottesville, VA (2003)
- AIA & Brick Institute of America
- 800 North Capitol Street, Washington, DC (1993)
- The Palladio Awards - Excellence in Traditional Design
- The Kennedy Warren, Washington, DC (2006)
- The Donald W. Reynolds Center for American Art & Portraiture, Washington, DC (2007)
- Building Design & Construction, 24th Annual Reconstruction Platinum Award
- The Donald W. Reynolds Center for American Art & Portraiture (2007)
- AIA - House and Home Magazine, Home for Better Living Awards
- Conant Residence, Potomac, MD (1976)
- Goldberg Residence, Washington, DC (1981)
- AIA & American Association of Junior Colleges Awards
- Master Plan, Mount Vernon College, Washington, DC (1970)
- Chapel, Mount Vernon College, Washington, DC (1971)
- Dormitory, Mount Vernon College, Washington, DC (1976)
- AIA - Interfaith Forum on Religion, Art, and Architecture Awards
- Immanuel Presbyterian Church, McLean, VA (1981)
- Divinity School Addition, Duke University, Durham, NC (2006)
- DC AIA Design Awards
- National Permanent Building, Washington, DC (1979)
- Conant Residence, Potomac, MD (1979)
- Watts Residence, Washington, DC (1979)
- Stable in Rock Creek Park, Washington, DC (1979)
- Immanuel Presbyterian Church, Washington, DC (1981)
- Saltonstall Stable, Rappahannock County, VA (1981)
- Goldberg Residence, Washington, DC (1981)
- National Humanities Center, Raleigh, NC (1982)
- Zapruder Residence, Chevy Chase, MD (1983)
- Foster Residence, McLean, VA (1983)
- 4250 Connecticut Avenue, NW, Washington, DC (1983)
- U.S. Embassy Office Building, Kuala Lumpur, Malaysia (1985)
- St. Patrick's Episcopal Church, Washington, DC (1987)
- HEB Grocery Company Headquarters, San Antonio, TX (1988)
- Chrysler Museum, Norfolk, VA (1989)
- Dumbarton Oaks Museum, Washington, DC (1991)
- Georgetown University Law Center Library, Washington, DC (1991)
- Market Square, Washington, DC (1991)
- 800 North Capitol Street, Washington, DC (1993)
- 1200 K Street, Washington, DC (1993)
- University of Connecticut Law Library, Hartford CT (1996)
- Concert Hall, John F. Kennedy Center for the Performing Arts, Washington, DC (1998)
- Washington University School of Law, St. Louis, MO (2000)
- Jefferson Library at Monticello, Charlottesville, VA (2006)
- DC AIA Historic Preservation Awards
- Folger Shakespeare Library, Washington, DC (1977)
- National Bookstore, Washington, DC (1977)
- Cox Residence, Washington, DC (1978)
- Kenney Residence, Washington, DC (1978)
- 1001 Pennsylvania Avenue, Washington, DC (1980)
- "Kennersley", Queen Anne's County, MD (1980)
- Gallery Row, Washington, DC (1981)
- Apex Renovation & Addition, Washington, DC (1981)
- Sumner School Project, Washington, DC (1983)
- Folger Shakespeare Library, Washington, DC (1983)
- Dumbarton Oaks, Renovations & Addition, Washington, DC (1984)
- Apex Renovation & Addition, Washington, DC (1984)
- Sumner Square/Sumner School, Washington, DC (1986)
- John Carter Brown Library, Providence, RI (1993)
- Winterthur Museum ,Addition Winterthur, DE (1996)
- Mary Gates Hall, University of Washington, Seattle, WA (2003)
- Kennedy Warren Apartment Building Addition, Washington, DC (2005)
- Lincoln Square, Washington, DC (2005)
- Divinity School Addition, Duke University, Durham, NC (2006)
