50 Sparrow Way, Brooklyn
Hospital · built c. 1937 · Block 4833, Lot 101.
Building permits
- New Building — Mid-Rise, filed Jun 28, 2023, estimated cost $10.0M, 116 units, 11 stories, described as “NYC dev hub consultation accepted on 7/9/2022. Sparrow square (SHOP1) - filing for a new building for supportive housing (residential & non-profit institution with sleeping accomodations) in conjunction with new buildings B00848066,…”
- Alteration, filed Sep 11, 2026, estimated cost $20K, described as “Equipment use: dual 7000 # capacity personnel hoist during NB const, filed sep. Hoist shall comply with ch #33 of the NYC bc. No change in use, occupancy or egress under this application. Elevator application submitted separately”
- Alteration, filed Sep 1, 2026, estimated cost $26K, described as “Installation of pipe scaffolding as per plans. Pipe scaffolding shall comply with chapter #33 of the 2022 code. No change in use, egress or occupancy under this application.”
- Alteration, filed Aug 27, 2026, estimated cost $5K, described as “Use of knuckle boom construction equipment as per plans filed herewith. This application is filed in conjunction with NB B00847849-I1.”
- Alteration, filed May 6, 2026, estimated cost $25K, described as “Application filed herewith to address violation #'s: 039553462H and 039553467R. Scope of work includes removal of remnants from prior demolition activities 20 years ago at various locations as indicated on plans.”
- Alteration, filed Feb 25, 2026, estimated cost $1K, described as “SHP1 - filing for civil site work in conjuction with new building B00847849-I1”
- Alteration, filed Dec 29, 2025, described as “Installation of temporary sidewalk shed as per plan. There is no change in use, egress, or occupancy. The sidewalk shed at the building entrance. In conjunction with new buildings B00847849”
Property taxes
- Assessment
- $912,541
- 2026–27 tax
- $98,666
- Market value (city estimate)
- $2,027,869
- Taxable value
- $909,531
- Assessed land
- $825,510
- Assessed improvements
- $87,031
Zoning
R5: floor area ratio 0.03 built, 1.50 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.