News
July 20, 2026

PC Construction Completes Historic Restoration and Accessibility Upgrades at Weeks State Park

Construction Owners Editorial Team

Highlights

  • PC Construction completed preservation and accessibility improvements at Weeks State Park in Lancaster, New Hampshire.
  • The project included restoration work on the historic Main House and Carriage House.
  • Upgrades focused on ADA accessibility, foundation repairs, drainage improvements, and exterior restoration.
  • Construction was completed in phases due to seasonal access limitations at the mountaintop site.
  • Weeks State Park is listed on the National Register of Historic Places.

Historic preservation projects continue to create opportunities for contractors specializing in restoration, structural rehabilitation, and accessibility improvements. PC Construction has completed a renovation program at Weeks State Park in Lancaster, New Hampshire, combining preservation work with modern accessibility upgrades at a nationally recognized historic property.

Restoration Work at Historic Estate

The project included improvements to the site's Main House and Carriage House, both key components of the historic Mount Prospect estate.

At the Main House, crews completed ADA accessibility upgrades, drainage and water management improvements, foundation repairs, and exterior restoration work. The Carriage House underwent structural repairs intended to improve building stability and address deterioration associated with long-term moisture exposure.

The work was designed to preserve the historic character of the property while enhancing building performance and accessibility for visitors.

Managing Construction at a Mountaintop Site

Project delivery required careful scheduling due to the site's location atop Mount Prospect. Seasonal road closures during winter limited access to the property, requiring construction activities to be divided into multiple phases.

Most of the work was completed between May and November 2025, with final improvements finished during the summer of 2026.

The 438-acre estate was originally developed by John Wingate Weeks, who served as a U.S. congressman, senator, and secretary of war. The property was donated to the State of New Hampshire in 1941 and was added to the National Register of Historic Places in 2023.

Why It Matters

Historic renovation projects often require contractors to balance preservation standards with modern building requirements. For construction owners, public agencies, and restoration specialists, the Weeks State Park project demonstrates how accessibility improvements, structural repairs, and historic preservation can be integrated to extend the life of significant public assets while improving visitor access.

Source: PC construction.

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