"West side of Clinton Avenue between DeKalb Avenue and Lafayette Avenue, 1974."

No. 320 (right) is a Second Empire house built in 1867-8 for John O’Mahony, a liquor dealer. The mansard roof, entranceway, and lintels survived a 1920s-era remodel. No. 324 (left) is a larger and more imposing Second Empire structure, built in 1869 for the willow ware pottery manufacturer Lambert Heyniger.