Twin Oaks Mansion Historic Preservation Plan

Twin Oaks Mansion Historic Preservation Plan

We invite you, our visitors, to learn more about our historic preservation plan and its progress. This webpage explains the three phases of construction commencing during 2023, and shares the importance of preserving this 110-year-old building that the Museum later converted into its main facility in 1964.

Morris Museum was recently designated within the National Register of Historic Places as part of the Normandy Park Historic District.

Phase one of this project has been made possible by generous grants from the New Jersey Historic Trust and the Preserve New Jersey Historic Preservation Fund, as well as the Morris County Board of County Commissioners through the Morris County Historic Preservation Trust Fund.

Photo caption (hero image): PHB Frelinghuysen House, first floor plan, by McKim, Mead & White, PR-042, Tube A27, drawing #2, negative #78408T. Collection of The New-York Historical Society. Used with permission.

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