Belvidere Historic District (Belvidere, New Jersey)
The Belvidere Historic District is in Belvidere, the county seat of Warren County, New Jersey, United States. It was added to the National Register of Historic Places on October 3, 1980 for its significance in architecture, commerce, community planning, industry, politics and government during the 19th century. The district is bounded by Market and Race streets; Greenwich and Mansfield avenues; and the Pequest River. It includes 228 contributing buildings. Contributing properties include the Warren County Courthouse and the Twin Mills.
