Mary Slater
MSHP | AIC-PA
Senior Conservator
1-202-869-5270

Mary joined EverGreene in 2013 as a professional architectural conservator. She oversees projects from both a management and conservation perspective, working closely with other conservators and conservation technicians in all aspects of conservation treatment, assessment, and documentation. Mary is skilled at performing condition assessments of historic architecture and sites, developing repair and maintenance recommendations and specifications, and writing conservation reports and maintenance manuals. She also conducts historic paint investigations including onsite exposure windows and microscopic analysis.

Prior to joining EverGreene, Mary worked as an architectural conservator for nearly 15 years, first with the National Park Service in New Mexico, and then with a historic architectural firm in California. Her expertise includes the evaluation and treatment of historic lime and earthen plaster, brick, stone, terra cotta, and adobe. Mary has presented at statewide and international conferences on the conservation of historic architecture and archaeological sites.

Mary received her BA from University of Virginia in Charlottesville in English Language and Literature before attending University of Pennsylvania Graduate School of Fine Arts in Philadelphia earning her MS Historic Preservation.  She is active in member in the American Institute of Conservation (AIC) and holds a Professional Associate status.

Awards

  • Planet word museum Washington DC
    Planet Word Museum
    2022
    Chapter Design Award for Historic Resources & Preservation
    AIA DC
    View Project
  • Planet word museum Washington DC
    Planet Word Museum
    2021
    Reconstruction Award
    Building Design+Construction Media
    View Project
  • Enoch Pratt Free Library in Baltimore, Maryland | Photography by Joseph Romeo
    Enoch Pratt Free Library
    2021
    Elevation Awards
    PaintSquare
    View Project
  • Wyoming State Capitol
    Wyoming State Capitol
    2020
    Reconstruction Awards - Gold
    Building Design+Construction Magazine
    View Project
  • Enoch Pratt Free Library in Baltimore, Maryland | Photography by Joseph Romeo
    Enoch Pratt Free Library
    2020
    Institutional Architecture Award
    American Institute of Architects (AIA) Maryland
    View Project
  • Enoch Pratt Free Library in Baltimore, Maryland | Photography by Joseph Romeo
    Enoch Pratt Free Library
    2020
    Excellence in Construction - Historic Preservation
    Maryland The Daily Record
    View Project
  • Enoch Pratt Free Library in Baltimore, Maryland
    Enoch Pratt Free Library
    2020
    Preservation Artisans Award
    Preservation Maryland
    View Project
  • Enoch Pratt Free Library in Baltimore, Maryland | Photography by Joseph Romeo
    Enoch Pratt Free Library
    2020
    Best in Real Estate
    Baltimore Business Journal
    View Project
  • Enoch Pratt Free Library in Baltimore, Maryland | Photography by Joseph Romeo
    Enoch Pratt Free Library
    2020
    Restoration & Rehabilitation Award
    Baltimore Heritage
    View Project
  • Unity Temple
    2019
    Richard H. Driehaus Foundation National Preservation Award
    The National Trust for Historic Preservation
    View Project
  • Sacramento Valley Station
    2017
    Merit Award
    AIA Central Valley Chapter
    View Project
  • Unity Temple By Frank Lloyd Wright, Oak Park, IL
    2018
    Special Award of Restoration Excellence
    Docomomo US Modernism in America
    View Project
MORE AWARDS