Warren City Hall is located at 318 West Third Avenue, Warren PA 16365.
Warren is located at the confluence of the Conewango Creek and the Allegheny River.
Made the county seat in 1819, was first laid out by General William Irving and Andrew Elliott, state commissioners in 1795; population 14,272; in 1800, first sawmill in the county was started which is said to have made the first raft of lumber ever floated down the Allegheny; it also sawed lumber in 1805 for Jackson's Tavern, in which George W. Fenton, afterwards governor of New York, in 1806, taught school, until the schoolhouse of round logs with openings covered by oiled paper for windows, was ready. Courthouse, built, 1825, was first brick building in the county. A suspension bridge crosses the Allegheny here, built about 1871; near entrance to bridge is the Soldiers' Monument, granite, erected in 1909, on which are inscribed the battles of Warren County men in Civil War. Bronze monument to General Warren and his soldiers is in the west park, dedicated, 1910, placed by the Joseph Warren Chapter, Daughters of the American Revolution.
The Warren County Seat has eight properties listed on the National Register of Historic Places. These include: