J. C. Osgood Firehouse, now known as Engine Company 6, is a historic fire station located at Troy in Rensselaer County, New York. It was built in 1889 and is an inverted "L" shaped, brick building in the Queen Anne style. The main section is  2 1⁄2 stories, dropping to 2 stories in the midsection, with a  1 1⁄2-story wing at the rear. It features an irregular roofline topped with finials, distinctive patterns of decorative detailing, contrasting materials and forms, and medieval-type chimneys. It was listed on the National Register of Historic Places in 2000.