15 4 AVENUE is a mid-century 1940 building, 6 floors, 13 units in Park Slope, NYC. Owned by JAMAICA GROUP 26 LLC. Public records show 61 open violations on file.
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Brooklyn · March 2026
Best & worst months to sign a lease
Potential savings: ~7% by timing your move to March.
Asking rent per bedroom type — switch tabs to see each with effective (concession-net) rent.
Monthly counts over the last 7 years · all data sources
No HPD records on file in the last 7 years.
Portfolio-level grade reflects the landlord's buildings across NYC, weighted by unit count. Individual building grades may differ.
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Park Slope is the quintessential Brooklyn family neighborhood — brownstone-lined streets, Prospect Park on the doorstep, excellent schools, and a Whole Foods for the stroller set.