550 Washington Street, Manhattan
Commercial · built c. 1933 · Block 596, Lot 2.
Building permits
- Alteration, filed Oct 15, 2026, described as “Facade Inspection via Industrial Rope Access”
- Alteration, filed Aug 3, 2026, estimated cost $222K, described as “General construction modifications taking place on the 1st floor as per plans filed herewith. No change in use, egress or occupancy”
- No Work, filed Jul 28, 2026
- No Work, filed Jul 28, 2026
- No Work, filed Jul 28, 2026
- No Work, filed Jul 28, 2026
- Alteration, filed May 5, 2026, estimated cost $110K, described as “Standpipe modifications taking place on the 11th floor as per plans filed herewith. No change in use, egress or occupancy”
- Alteration, filed Mar 23, 2026, estimated cost $31.0M, described as “General construction modifications taking place on the 2nd floor as per plans filed herewith. No change in use, egress or occupancy”
- Alteration, filed Jan 30, 2026, estimated cost $450K, described as “Sprinkler modifications taking place on the 11th fl as per plans filed herewith. No change in use, egress or occupancy”
- Alteration, filed Jan 30, 2026, estimated cost $2.5M, described as “Mechanical modifications taking place on the 11th floor as per plans filed herewith. No change in use, egress or occupancy”
- Alteration, filed Jan 30, 2026, estimated cost $150K, described as “Plumbing modifications taking place on the 11th floor as per plans filed herewith. No change in use, egress or occupancy”
- Alteration, filed Jan 27, 2026, estimated cost $10.5M, described as “General construction modifications taking place on the 11th floor as per plans filed herewith. No change in use, egress or occupancy”
- Alteration, filed Aug 6, 2025, estimated cost $750K, described as “General construction modifications taking place on the 4th floor as per plans filed herewith. No change in use, egress or occupancy”
- Alteration, filed Jul 30, 2025, estimated cost $88K, described as “Mechanical modifications taking place on the 4th floor as per plans filed herewith. No change in use, egress or occupancy”
- Alteration, filed Jul 29, 2025, estimated cost $28K, described as “Sprinkler modifications taking place on the 4th fl as per plans filed herewith. No change in use, egress or occupancy”
- Alteration, filed Jul 29, 2025, estimated cost $39K, described as “Plumbing modifications taking place on the 4th floor as per plans filed herewith. No change in use, egress or occupancy”
Property taxes
- Assessment
- $341,500,000
- 2026–27 tax
- $33,396,039
- Market value (city estimate)
- $758,888,900
- Taxable value
- $307,854,342
- Assessed land
- $26,804,250
- Assessed improvements
- $314,695,750
Zoning
C6-3 (part of the lot is M1-5): floor area ratio 7.14 built, 7.52 allowed by base zoning.
Flood zone
Current FEMA flood map: zone AE, high risk: a 1% chance of flooding each year, base flood elevation 10 ft (NGVD29).
In the news
Google Opens St. John’s Terminal Headquarters at 550 Washington Street in Hudson Square, Manhattan, New York YIMBY, Feb 22, 2024.