Our sustainable preservation approach honors the past while accommodating change

Historic Preservation

Our Historic Resources Group is a team of in-house experts that leads historic projects through identification, documentation, planning, and implementation. The group includes a dozen LEED-accredited, licensed historical architects and preservationist who are cross-trained in materials conservation and architectural history — and deliver projects with long-term stewardship in mind.

OSU Strand Agriculture Hall

We helped Oregon State University transform this 100-year-old classroom building into a modern, accessible, and efficient learning environment while retaining its historic character-defining features.

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Sustainable Preservation

Hennebery Eddy considers historic preservation to be a high level of sustainable design, as it is based on preserving our natural and cultural resources as well as conserving our existing building stock and reducing the amount of embodied energy associated with constructing a new building. We apply the same concepts, processes, and technologies used in new construction to historic building projects — offering enormous savings in energy and raw materials while having a positive impact on people and community.
Assessing Montana’s Landmark State Capitol
So You Have a 50-Year-Old Building … Now What?
Unique Mid-Century Materials: The Challenges of Vitrolite Glass

Our Philosophy Is Centered On Change

Hennebery Eddy specializes in crafting historically sensitive projects that integrate existing architecture with modern elements to give those stories new life. We seek creative approaches to protect a structure’s historic and cultural integrity while incorporating the inevitable changes into a building’s ongoing story.

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Featured Historic Projects

Our Expertise

Local, Regional & National Knowledge

Hennebery Eddy has ongoing experience working with the U.S. General Services Administration, National Park Service, and State Historic Preservation Offices (SHPO) in several states. Our preservationists have worked on more than a dozen National Historic Landmarks and have experience working in dozens of historic districts around the West. Having served on various design review and historic landmarks commissions, our experts understand how projects proposed in historic districts are evaluated from a review body’s point of view.

Specialized Programs for Your Project

Our Historic Resources Group has experience with all facets of the historic tax credit process, including eligibility determinations, property nominations, existing conditions documentation, Part 2 Applications (description of work), and Part 3 Applications (post-construction documentation). Hennebery Eddy can also assist clients with application for or renewal of the State of Oregon’s Special Assessment of Historic Properties program, which amounts to a tax freeze.

“I commend you for considering sustainable preservation practices and the ways in which they can be incorporated into the Painted Desert Community Complex, including the restoration of Richard Neutra and Robert Alexander’s many original design features that are inherently sustainable.”

– Chris Morris, Senior Director of Preservation Programs, National Trust for Historic Preservation

Conservation Services

Through historical research, in situ investigation, and analysis in our conversation lab, we provide in-house architectural-finishes analysis, including metal and wood finish identification and paint color history and color matching.

Preservation Planning

We have significant experience in performing documentation review, historic research, and condition assessments to fully understand a historic resource before making appropriate short- and long-term treatment recommendations.

Condition Assessments

Hennebery Eddy has completed hundreds of condition assessments for local, state, and federal agencies, documenting deficiencies and recommending appropriate treatment alternatives for historically designated and eligible buildings.

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Carin Carlson

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