490 Hudson Street, Manhattan
Public school · built c. 1916 · Block 585, Lot 41.
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Building permits
- Alteration, filed Aug 5, 2026, estimated cost $709K, described as “Installation of (3) backflow preventers for (3) domestic water lines, (1) domestic booster pump, and (1) sump pump. Provide and install water leak detection system and panel in 1ST floor.”
- Alteration, filed Mar 10, 2022, estimated cost $101K, described as “It is an upgrade to an existing rooftop playground. This project will incorporate a quiet passive area while providing additional safety measures at the active play area.”
Property taxes
- Assessment
- $7,902,900
- Market value (city estimate)
- $17,562,000
- Taxable value
- $0
- Assessed land
- $2,689,200
- Assessed improvements
- $5,213,700
Zoning
R6 (part of the lot is C1-6): floor area ratio 2.15 built, 2.43 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.