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Eric Hammarberg has been surrounded by construction his entire life, the third generation of a family of building contractors. He has cultivated a technical expertise in craftsmanship and construction, sharing with his team an array of projects. He has worked many aspects of construction, including masonry and carpentry, and found success in historic preservation as a primary form of sustainable building.
Eric’s experience spans from design and project manager for many historic restoration and preservation projects including the New York Public Library’s plaster ceiling restoration, St. Patrick’s Cathedral, the Chrysler Building, the Metropolitan Museum of Art and stabilization at Lefferts Historic House. He has extensive experience conducting condition surveys, preservation methodologies, façade evaluations and restorations, project programming, specification research and writing, and reviewing accessibility, environmental and landmark rules compliance.
His expertise in preservation includes investigation, protection of historic structures adjacent to new construction, repair and restoration of historic stone and brick masonry, repairs of historic plaster and tall urban structures as well as repairs to terra cotta and various roofing materials. Prior to joining Henson Architecture as Associate Principal, Eric spent the last seven years as Associate Principal for WJE Engineers & Architects. Eric brings his vast knowledge of historic restoration across New York City Landmarks, structural and exterior envelope design and investigative expertise to the firm.
New York, New York
New York, New York
Ridgefield, New York
New York, New York
Brooklyn, New York
40 Dover St, New York, New York
Bedford Hills, New York
Providence, Rhode Island
Dravosburg, Pennsylvania
Bachelor of Architecture
Bachelor of Fine Arts
Providence, Rhode Island
Architectural Preservation
New York, New York
Founding Board Member
Class A Member
2004 – Present
Winner for the Restoration of the Hispanic Society of America Museum and Library
Copper award for Restoration of the Hispanic Society of America Museum and Library
Winner for plaster ceiling restoration of the Stephen A. Schwarzman Building, New York Public Library
Winner for Restoration of Gottesman Hall
Stewardship of Decorated Ceilings in Great Public Spaces
with Kim Lovejoy and Sarah Kloze
New York, New York
Fibrous Plaster: Specifying Reinforcement Systems for a Robust 19th-c. Technology
with Kim Lovejoy
New York, New York
Interviewed for the work at the New York Public Library Rose Reading Room and Bill Blass Lending Room Ceiling Restoration
Emergency Shoring & Stabilization of Historic Structures
The Shore Thing: A Practical Seminar on Shoring Methods and Case Studies for Historic Buildings
Modern Marvels
Chrome televised broadcast
Protection of Historic Urban Structures During Adjacent Construction
Teamwork, Tools, Testing and Intuition: The Architect’s and Engineer’s Investigation and Repair Decision Making Process
Historic Preservation: Easements, Tax Incentives and Litigation
A Place for the Trades
Proper Assessment and Planning for Structural Renovations of Existing Buildings and Structures
Restoring 2 Skyscrapers, Empire State/Chrysler Building
Practical Solutions to Building Envelope Problems – Local Law 11/98
Presented at Buildings NY Conference in 2004 and NeoCon Trade Fair in 1999
A Case Study of Early Steel Curtain Wall: The Chrysler Building, New York, New York
Presented at the Stainless Building Seminar in 2005 and 20th Century Exterior Architectural Metals Conference in 2003
Historic Roofing, Beyond the Basics
Modern Marvels – The Chrysler Building
first broadcast October 2002
Observations of Historic Structure’s Performance at the World Trade Center
Also given at RESTORE New York in 2002 and 2003
Local Law 11: A/E Process
Roofing Systems: A Survey of the Basics and Some Special Cases
Windows in Commercial Buildings/Skyscrapers: Case Histories on the Empire State and Chrysler Buildings
Exterior Restoration of the Chrysler Building: Fast-Tracking a Landmark
Benefits of Helical Bar Reinforcing in Preserving Historic Masonry Facades
Jared M. Shoemaker
Protection of Historic Urban Structures During Adjacent Construction
Keith Kesner and Derek Trelstad
90 Feet – The Difference an Avenue Makes: Protection of Existing Historic Structures During Adjacent Construction
Keith Kesner and Derek Trelstad
The Chrysler Building, A Case Study of Early Steel Curtain Wall