This 19th century Brooklyn house faces an early turnpike road that no longer exists

On the edge of Prospect Heights at 736 Bergen Street sits a charming slate blue row house. Just two stories high with a top half-floor (based on some Zillow interior photos), the little Greek Revival-style relic features long slender windows, an ornamental front entrance, and a cornice with decorative moldings. Exactly when 736 Bergen Street was built or who its first occupants were—and if it debuted as a stand-alone dwelling or part of a row—isn’t clear. But based on its architectural details, the house probably dates back to the early or middle decades of the 19th century. That’s about when similar Greek Revival houses began replacing estate land in several newly residential Brooklyn neighborhoods. The house could also be a holdout from the post-Civil War era, when speculative developers began building residences in the area that became Prospect Heights. These developers were lured by improvements in mass transit (today’s B65 bus actually began in the 1860s as a horse-drawn street…