NYC Permit AlertsBy BuildPermitGuide

Neighborhoods › Fort Greene

21 Flatbush Avenue, Brooklyn: 4 building jobs on file

Building Identification Number 3059164 · Fort Greene. Newest first.

Interior renovation: Filing to install the market kitchen hood and ductwork…, est. $12K
Permit Entire · filed Aug 15, 2026 · est. $12,000
Mechanical/plumbing work: Installation of new plumbing fixtures on first…, est. $45K
Approved · filed Feb 12, 2026 · est. $44,992
Mechanical/plumbing work: Installation of new hvac system, ductwork, and…, est. $79K
Approved · filed Feb 11, 2026 · est. $78,641
Interior renovation: Interior renovation as per plans for new retail space…, est. $95K
Approved · filed Feb 9, 2026 · est. $95,343

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