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exterior and interiors at 509 3rd Street Park Slope Brooklyn

Lonnie Robinson and Matthew Kirby-Smith Close 509 3rd Street for $4.725 Million

A Park Slope multi-family — 4 bedrooms, 2 baths — closed September 22, 2026 at $4,725,000.

$4,725,000 · Close September 22, 2026 · 4 bed / 2 bath · multi-family · Park Slope

Lonnie Robinson and Matthew Kirby-Smith of Compass closed 509 3rd Street in Park Slope for $4,725,000 on September 22, 2026.

Listing materials frame a four-bedroom, two-bath multi-family. Square footage unpublished on the sold page. Specs locked to the Compass sold card — no ask-versus-close narrative.

Close locked on published sold price and date.

Closed sale. $2M+ in live markets only. Listing agents named as published. Photos: Compass. Luxury Price Drops is not a brokerage.

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Independent analytics platform — not a brokerage. Price drops are a natural part of any healthy market and often represent opportunity. All data is sourced from publicly available listings. Read more