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Cathedral of St. Joseph, Hartford, Connecticut
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Richard C. Lee Courthouse - New Haven, Connecticut
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Barnum Museum - Bridgeport, Connecticut
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Ensign House - Simsbury, Connecticut
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Haddam Old Town Hall - Haddam, Connecticut
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Fish Church, Stamford, Connecticut
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Jacobson Barn - Storrs, Connecticut
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Penfield Reef Lighthouse - Fairfield, Connecticut
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St. Patrick’s Church-Newcastle, Maine
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We're Remaking History

Kronenberger & Sons Restoration, founded in 1946, is a third-generation family owned and operated firm, specializing in the historic restoration, historic preservation and adaptive re-use of period structures. We are experienced craftspeople with the knowledge, skills and expertise to return usability to older structures while helping them meet the requirements of the 21st century.

Our goal is to balance passionate commitment to historic preservation with sensible strategies and practices.

The roots of our business are in historic preservation, and we continue to be dedicated to helping protect our architectural heritage today. Older buildings are special. They have lasted this long for a reason, the quality of materials and craftsmanship are unmatched by today’s methods. They can continue to withstand the test of time with proper stewardship. Our communities, and our environment, benefit from preserving older buildings, and we are proud to have our work be an integral part of that effort.

General Contracting
General Contracting

Overseeing and advising the planning, design and construction of historical building projects of all sizes.

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Masonry & Stone Restoration
Masonry & Stone Restoration

Laying, repointing, stabilizing and restoring masonry while retaining the building's historical accuracy.

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Wood Restoration
Wood Restoration

Our master carpenters conserve, restore, and reproduce historic wood elements to the original profiles and character of the building.

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Windows, Doors & Fenestration Restoration

Our Middletown, Connecticut location houses a full shop devoted to the restoration of windows and doors. Our skilled, full-time team of craftspeople specialize in glazing and painting, as well as the woodwork and carpentry required for restorations. Having a shop of dedicated window restorers ensures that every detail, down to the smallest fixture and element, is met with the same regard for accuracy and faithful restoration.

In addition to windows and doors, our shop works on paneling, shutters, trims, moldings, railings, and all associated metal hardware. We also restore windows and doors on-site when needed, and perform complete new window and door replacements when called for using historically accurate substitutes.

Featured Blog Posts

The Abattoir at Ottis State Forest Farm, Lower Spectacle Pond

One of our very notable projects this year has been the Abattoir at the Ottis State Forest Farm on Lower Spectacle Pond in Sandisfield, Massachusetts.…
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Energy Analysis: Original Wood Windows versus Replacement Windows

What's the real cost of replacement windows? We think there are so many reasons to save original wood windows versus replacing them. Unfortunately, the advertisements…
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YES, Old Wood Windows Can Be Energy Efficient!

One of the most common things we hear is, “old wood windows are not energy efficient.” This idea becomes the rationale behind why many old…
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Matthew K. Scheidt

The workmanship of the finished product speaks for itself, and it is clear that everyone involved recognized the importance of this National Historic Landmark structure.

Architect
Norfolk Music Shed

Harvey Leibin

I found that Kronenberger & Sons consistently outperformed our expectations in terms of the high quality of their work, their responsiveness to sometimes difficult unknown field conditions, and their respect for the historical significance of the Old State House.

Associate Principal
Old State House Cupola Restoration

The installation of the windows progressed seamlessly and resulted in a better than satisfactory product.

Contracting Officer
Penfield Reef Lighthouse

The exterior masonry repairs were outstanding and significantly improved the aesthetic of the facade and improved the overall functionality of the building envelope.

Richard C. Lee Courthouse

Deborah Moore

They have been patient and professional working with a city-appointed building committee. Their suggestions throughout the numerous change orders blended the practical and the aesthetic with the best interests of the customer in mind.

Executive Director
Wadsworth Mansion

Marble Mainini

Over the years I have worked with many General Contractors, but this one is at the top.

Resident Engineer
Massachusetts Building at The Big E

David H. Barkin

The window restorations completed in-house by your shop have conserved the original building materials for many years to come.

Chief Architect
New Haven County Courthouse

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Bingo Road School House

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Norfolk Music Shed

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Dom Ferretti Pavilion at Peckham Park

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Hartford Superior Courthouse

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