Shh... Many units sell without being publicly listed.
Learn more about off-market listings at Vanguard 6!
Vanguard 6 is a post-war condominium building in Brooklyn's South Slope - Greenwood Heights neighborhood finished in 2008. Situated at 639 Sixth Avenue, between 17th Street and 18th Street, the building contains 6 units and rises 6 stories. The elevatored building's amenities include: video intercom, washer/dryer in building and elevator.
Learn more about off-market listings at Vanguard 6!
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