Newport Masonic Hall is historic building located at Newport, Delaware, United States. Listed on the National Register of Historic Places as Armstrong Lodge No. 26, A. F. & A. M., it was built in 1913, and consists of a two-story, five-bay, rectangular brick main block with a long, one-story rectangular rear wing to form a 'T'-plan. A large, arch-roofed brick addition was built in 1958. The building is in a restrained Colonial Revival style. The main block has a gable roof. It was designed with two commercial spaces on the ground floor, and a lodge room and auditorium on the second. and
The building was added to the National Register of Historic Places in 1993.
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