NYC Permit AlertsBy BuildPermitGuide

Neighborhoods › Park Slope

777A Union Street, Brooklyn: 11 building jobs on file

Building Identification Number 3019812 · Park Slope. Newest first.

Interior renovation: Proposed structural construction filing in conjunction…, est. $171K
Approved · filed Sep 2, 2026 · est. $170,872
New 4-story building, 1 unit, est. $30K
Approved · filed Sep 2, 2026 · est. $30,000
Facade/scaffold work: Proposed installation of heavy duty sidewalk shed for…, est. $2K
Permit Entire · filed Jun 7, 2026 · est. $2,000
Mechanical/plumbing work: Submit sprinkler work in conjunction with dob now…, est. $142K
Permit Entire · filed Mar 24, 2026 · est. $141,561
Interior renovation: Proposed structural construction filing in conjunction…, est. $171K
Permit Entire · filed Feb 25, 2026 · est. $170,872
New 4-story building, 1 unit, est. $30K
Permit Entire · filed Feb 25, 2026 · est. $30,000
Alteration CO: File soe application in conjunction with alt-co job#…, est. $30K
Permit Entire · filed Feb 25, 2026 · est. $30,000
Alteration CO: Proposed temporary construction fence at open space, install…, est. $3K
Permit Entire · filed Feb 17, 2026 · est. $3,000
Mechanical/plumbing work: Proposed plumbing work for a single family…, est. $130K
Permit Entire · filed Feb 15, 2026 · est. $130,000
Mechanical/plumbing work: Proposed mechanical work for a single family…, est. $86K
Permit Entire · filed Feb 15, 2026 · est. $86,000
Enlargement to 4 stories, est. $1.1M
Permit Entire · filed Dec 15, 2025 · est. $1,074,840

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