NYC Permit AlertsBy BuildPermitGuide

Neighborhoods › Park Slope

449 11 Street, Brooklyn: 5 building jobs on file

Building Identification Number 3022729 · Park Slope. Newest first.

Mechanical/plumbing work: Install new plumbing fixtures at new roughing (1…, est. $87K
Approved · filed Oct 4, 2026 · est. $87,000
Interior renovation: Lower rear portion of cellar slab and portion of rear…, est. $71K
Permit Entire · filed Apr 22, 2026 · est. $70,709
Mechanical/plumbing work: Install new plumbing fixtures at new roughing (1…, est. $87K
Permit Entire · filed Jan 11, 2026 · est. $87,000
Interior renovation: Installation of a vrf heat pump system complete with…, est. $75K
Approved · filed Jan 11, 2026 · est. $75,000
Interior renovation: General construction to convert existing three-family…, est. $364K
Permit Entire · filed Dec 30, 2025 · est. $363,600

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