521 Dean St

Built in 1930, this four-story brick brownstone operates as a self-managed, 10-unit cooperative in Prospect Heights, Brooklyn. The building’s masonry façade and stoop convey classic pre-war character; interior units are a mix of two- and three-bedroom layouts, many arranged as duplexes or split-levels that take advantage of high ceilings, arched windows, exposed brick, and original woodwork. Residences show a range of renovations from sympathetic modern upgrades—custom white oak built-ins, updated kitchens with quality appliances, and spa-like baths—to thoughtfully preserved features such as wood-burning fireplaces and decorative beams. Common areas are minimal but well-maintained: a shared rooftop deck provides private outdoor space for residents, and the building offers both small and larger private terraces attached to specific units. Practical conveniences include in-unit washer/dryers in many apartments and generous integrated storage solutions. The co-op is pet-friendly with board approval, offers low maintenance relative to larger complexes, and is located on a quiet, tree-lined street at the border of Prospect Heights, Park Slope and Fort Greene—close to Prospect Park, Barclays Center, cultural institutions, and multiple subway lines for citywide access.