Joseph Sembrat
VP of Conservation
Principal Conservator
+1 301 758 9685

Joseph Sembrat has been immersed in the conservation field for over three decades. He was a co-founder of one of the country’s leading historic art, artifacts, and architecture preservation firms, Conservation Solutions, Inc., which was acquired in 2018 by EverGreene Architectural Arts.  In addition to his roles as VP of Conservation and Principal Conservator, Joe oversees the procurement and development of west coast projects and manages client relationships throughout the project life cycle.

Over his wide-ranging conservation career, Joe has completed significant projects that benefited from his broad understanding of materials. Select projects include: the treatment of artifacts salvaged from the R.M.S. Titanic wreck site; two Saturn V rockets; and the conservation of sculpture collections for the City of Dallas and the University of California. Joe guided EverGreene’s restoration of LA Union Station, our decorative painting and finishes work at LA’s Tower Theatre, and metal and wood refinishing at the Travis County Courthouse. He has been certified by the Laser Institute of America and was involved in laser ablation of both the U.S. Capitol and Jefferson Memorial in Washington D.C.

An accomplished author and presenter, Joe continuously conducts research, publishes papers and speaks on preservation topics with special focus on the latest industrial research and its applicability to conservation treatments. 

Joe holds a M.S. in Historic Preservation from Columbia School of Architecture, Planning and Preservation, and a B.A. in Art History from the University of Pennsylvania. He is a Fellow of the American Institute for Conservation (AIC), and holds active memberships in the Association of Preservation Technology (APT) Western Chapter, the Canadian Association of Heritage Professionals (CAHP);,and the Canadian Association of Professional Conservators (CAPC.)




  • LA Tower Theatre
    Preservation Project Award
    Los Angeles Conservancy
    View Project
  • LA Tower Theatre
    Preservation Design Award
    California Preservation Foundation
    View Project
  • LA Tower Theatre
    Adaptive Re-use/Renovation/Historic Preservation
    American Institute of Architects (AIA) Los Angeles
    View Project
  • Los Angeles Union Station - Entry Vestibule & Grand Waiting Room
    Preservation Design Award for Craftsmanship/Preservation Technology
    California Preservation Foundation
    View Project
  • Los Angeles Union Station - Ticketing Concourse
    Preservation Design Award for Craftsmanship/Preservation Technology
    California Preservation Foundation
    View Project
  • U.S. Capitol Stone and Metal Preservation, North Extension
    Award of Merit Government/Public Buildings
    Engineering News Record
    View Project
  • House of Representatives, Kansas State Capitol
    Preservation Award
    Kansas Preservation Alliance
    View Project
  • Historic Industrial Artifacts, Allied Textile Printing, Paterson, NJ
    Historic Preservation Awards/Outstanding Public Archaeology
    Preservation New Jersey
    View Project
  • Kansas State Capitol Senate Chamber, Topeka, KS
    Medallion Award for Excellence
    Kansas Preservation Alliance
    View Project
  • U.S. Capitol North Extension Stone and Metal Preservation, Washington, DC
    Best Project Award
    ENR MidAtlantic
    View Project


James J. Hill House
Henry Moore - Vertebrae Sculpture
Back in a Moment Sculpture
New Mexico Museum of Art
Louisville Water Tower Statues
South Extension - House of Representatives Wing
Jumbo Sculpture
KSC Titan II Rocket Engine
KSC F-1 Engine Prototype
LA Tower Theatre
Mercy Housing Mural Relocation
Art In Public Places Murals
National Museum of African American History & Culture
Los Angeles City Hall Board of Public Works
Entry Vestibule & Grand Waiting Room
Fort Jefferson, Dry Tortugas Lighthouse
USC University Park Sculptures
Santa Barbara County Courthouse Main Arch Cleaning
Mark Lere Outdoor Sculpture
Ticketing Concourse
Los Angeles Theatre
CA Science Center Douglas DC-3-G202A
Saturn V Display Conservation
South Extension Pediment Sculpture
North Extension Pediment Sculpture
Oregon State Capitol
Bear River Monument
Kansas State Capitol House & Senate Chambers
Kansas State Capitol
J. W. Fiske Company Fountain
War & Peace Sculpture Replicas
Iwo Jima Monument
Five Missiles - Condition Assessment
Apollo Lunar Roving Vehicle "Grover"
Skylab Test Module
Saturn V Rocket Assessment
Saturn V Rocket
RMS Titanic Big Piece
RMS Titanic Eccentric Strap
RMS Carpathia Objects
Iwo Jima Monument Assessment
St. Cecilia's Cathedral - Decorative Bronze
Saturn V Rocket Conservation & Display
Kansas State Capitol Architectural Metal
North Extension - Senate Wing
Atlantis Space Shuttle
U.S. Air Force Memorial
North & South Stair Metalwork
Allied Textile Printing
Saturn V Rocket Display
Kansas State Capitol Senate Chamber
Rocket, Missile Stands & Launchers