21 Sidney Place, Brooklyn
Parochial school · built c. 1917 · Block 267, Lot 19.
Building permits
- Alteration, filed Jul 1, 2025, estimated cost $5K, described as “Installation of heavy duty sidewalk shed as per drawings during general construction work. No change in use, egress, or occupancy. Sidewalk shed to comply with chapter 33 of NYC building of 2022.”
- Alteration, filed Jun 29, 2021, estimated cost $48K, described as “Interior renovation to include demo of existing and construction of new partitions and finishes as shown on plans.”
Property taxes
- Assessment
- $1,843,200
- Market value (city estimate)
- $4,096,000
- Taxable value
- $0
- Assessed land
- $607,500
- Assessed improvements
- $1,235,700
Tax breaks
- Nonprofit exemption (religious school), with no end date, about $199,950 a year below the full tax.
Zoning
R6: floor area ratio 1.70 built, 2.43 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Landmarks
Part of Brooklyn Heights Historic District (Historic District). 13 Landmarks Preservation Commission permits are on file.