Jablonski Building Conservation, Inc. was formed in 1995 to provide a wide range of services. Our varied client base includes architects, engineers, agencies, cultural institutions, religious properties, contractors, and private homeowners. Jablonski Building currently employs seven full-time conservators. All principals and employees of Jablonski Building have attended graduate programs in Historic Preservation.

Mary Jablonski, Principal, has a Master's Degree in Historic Preservation from Columbia University's Historic Preservation Program.  For five years Mary worked at a structural engineering firm that specialized in the restoration of historic structures. The focus of her current work includes: historic structure reports; historic material investigations; compliance with landmarks regulations; development of technical treatment specifications.  Mary has special interests in finishes and modern materials. Ms. Jablonski is a Professional Associate in the American Institute for Conservation of Historic & Artistic Works (AIC).

She is a past Chair of the Architecture Specialty of Group of the AIC. Mary currently sits on the board of APTNE and serves as an ex-officio Board Member of US ICOMOS.

Staff Conservators: Stephanie M. Hoagland, Associate; Helen M. Thomas-Haney, Associate; Sara Casten, Sandy Chung and Jen Kearney.

Mary Jablonski is currently teaching the "Conservation Workshop," and "American Finishes" advanced graduate level courses at Columbia University’s School of Architecture, Planning and Preservation.

Jablonski Building Conservation, Inc. is a certified WBE.