More Boundary Madness

A recent Brownstoner story brings news that the carriage house at 90 Park Place is undergoing renovation:

90 Park Place - Park Slope Historic District
photo: brownstoner

According to the Park Slope Historic District's Designation Report, this "handsome little Italianate stable" was built to serve the adjacent house at the corner of 6th Avenue and Park Place:

117 6th Avenue - unprotected

However, in yet another example of the current historic district's irrational boundaries, the stable itself is within the boundaries of the Park Slope Historic District, while main house it was built to serve is not. The link between the two buildings, one inside and one outside the current historic district, is confirmed in the Designation Report: