NYC Permit AlertsBy BuildPermitGuide

Neighborhoods › Madison

1841 East 21 Street, Brooklyn: 6 building jobs on file

Building Identification Number 3183269 · Madison. Newest first.

Mechanical/plumbing work: Subsequent plumbing application in conjunction with…, est. $30K
Approved · filed Aug 12, 2026 · est. $30,000
Enlargement, est. $10K
Plan Examiner Review · filed Jun 17, 2026 · est. $10,000
Interior renovation: Interior and exterior renovation with new fenestrations…, est. $190K
Permit Entire · filed Jun 7, 2026 · est. $190,000
Alteration CO: Subsequent fence application in conjunction with approved gc…, est. $1K
Approved · filed Mar 22, 2026 · est. $1,000
Alteration CO: Subsequent fence application in conjunction with approved gc…, est. $1K
Permit Entire · filed Jan 11, 2026 · est. $1,000
Interior renovation: Interior and exterior renovation with new fenestration…, est. $250K
Filing Withdrawn · filed Dec 9, 2025 · est. $250,000

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