Historic Preservation

Dorothy Krotzer

Director, Building Conservation Associates, Inc.


329 Race Street Philadelphia, Pennsylvania 19106
(215) 923-2834

University of Pennsylvania, 2000
Master of Science, Historic Preservation

Hamilton College, 1991
Bachelor of Arts, History

Dorothy Krotzer has more than twenty years of experience in the architectural conservation field and in this time has been involved with every aspect of building restoration—from conditions assessments to the development of construction documents to the creation of Historic Preservation Master Plans for large, complex historic sites such as Washington Union Station. Ms. Krotzer is currently the Director of the Philadelphia office of Building Conservation Associates, Inc. (BCA), an historic preservation consulting firm which also has offices in New York, Boston and Washington, DC.

Ms. Krotzer has worked on a broad range of preservation projects on numerous nationally significant buildings, many of which are National Historic Landmarks. She has extensive project management experience, as well as technical expertise in a range of historic building materials from the 18th through 20th centuries. She has an expressed interest and significant experience in the area of finishes analysis and has performed research on the historic paint finishes of numerous landmarks, including the U.S. Capitol, the United Nations Headquarters and Frank Lloyd Wright’s Unity Temple. 

Ms. Krotzer is an ex-officio board member of the Association for Preservation Technology Delaware Valley Chapter (APT DVC) and is the former chair of the Architecture Specialty Group of the American Institute for the Conservation of Historic and Artistic Works (AIC). Her other professional affiliations include the Association for Preservation Technology International (APTI), AIC, Docomomo and the Preservation Alliance for Greater Philadelphia.

Recent Work
Academy of Music. Philadelphia, PA. (2018-present)
Exterior masonry assessment and repair design.

University of Pennsylvania Museum of Archaeology and Anthropology. Philadelphia, PA. (2017-present)
Conservation consultant for the renovation of the Coxe and Harrison Galleries.

Thomas Jefferson Memorial. Washington, DC. (2016-present)
Stone conservation assessment and treatment design.

30th Street Station. Philadelphia, PA. (2015, 2018)
Historic Preservation Guidelines and State of Good Repair Assessments.

Unity Temple. Oak Park, IL. (2008-20016)
Interior finishes analysis and documentation.

Smithsonian Institute National Museum of African American History and Culture. Washington, DC. (2016)
Assessment and conservation of three historic buildings (Edisto Slave Cabin; Jones-Hall-Sims House; and Angola Prison Guard Tower).

Fort Sumter. Charleston, SC. (2014)
Masonry assessment and recommendations.

Publications and Presented Papers
“History Meets Science: A Successful Collaboration at the College of Charleston,” Southeast Chapter of the Society of Architectural Historians (SESAH) Annual Conference, Charleston, South Carolina, 2011.

“Analyzing Mortars and Stuccos at the College of Charleston: A Comprehensive Approach.” APT Bulletin: The Journal of Preservation Technology, Vol. 40, No. 1, 2009.

“What Color Was It? How Paint Analysis Can Reveal a History of Color.” Traditional Building Conference, Baltimore, Maryland, 2009.
“Practice Points 6. Architectural Finishes: Research and Analysis.” APT Bulletin: The Journal of Preservation Technology, Vol. 39, No. 2-3, 2008.

“Adapting Existing Technologies to Understand Old World Traditions,” Association for Preservation Technology International (APTI) Conference, San Juan, Puerto Rico, 2007.

“Reviving New Orleans’ Oldest Cemetery: Preservation of St. Louis Cemetery No. 1 through the Re-Introduction of Traditional Building Materials,” International Building Lime Symposium, Orlando, Florida, 2005.