345 Hudson Street, Manhattan
Commercial · built c. 1931 · Block 598, Lot 58.
Building permits
- Alteration, filed Sep 15, 2026, estimated cost $1.2M, described as “Plumbing fixture installation as per plans”
- Alteration, filed Sep 15, 2026, estimated cost $8.2M, described as “Installation of mechanical equipment and piping as per plans”
- Alteration, filed Sep 15, 2026, estimated cost $1.1M, described as “Sprinkler installation as per plans”
- Alteration, filed Sep 11, 2026, estimated cost $17.7M, described as “Interior buildout for office space as per plans.”
- Alteration, filed Sep 11, 2026, estimated cost $110K, described as “Standpipe installation as per plans”
- Alteration, filed Sep 9, 2026, estimated cost $77K, described as “Structural interior work as per plans”
- Alteration, filed May 6, 2026, estimated cost $20K, described as “Minor structural work as per plans.”
- Alteration, filed Feb 19, 2026, estimated cost $1.5M, described as “Install new whsp supporting heating and future tenant cooling and install hydronic heating system as per plans”
- Alteration, filed Feb 19, 2026, estimated cost $50K, described as “Plumbing & sprinkler work as per plans”
- Alteration, filed Feb 18, 2026, estimated cost $200K, described as “Addition of new mer equipment for per room as per plans”
- Alteration, filed Feb 17, 2026, estimated cost $310K, described as “Installation of duct work AS PER PLANS”
- Alteration, filed Feb 4, 2026, estimated cost $350K, described as “New interior office fit out as per plans”
- Alteration, filed Feb 3, 2026, estimated cost $208K, described as “Modification and installation of fixtures as per plans”
- Alteration, filed Dec 19, 2025, estimated cost $1.8M, described as “Install new whsp supporting heating and future tenant cooling and install hydronic heating system as per plans”
- Alteration, filed Dec 19, 2025, estimated cost $100K, described as “Plumbing & sprinkler work as per plans”
- Alteration, filed Dec 17, 2025, estimated cost $350K, described as “Addition of new mer equipment for per room as per plans”
- Alteration, filed Nov 3, 2025, estimated cost $43K, described as “Removal of ducts and piping as per plans”
- Alteration, filed Nov 3, 2025, estimated cost $49K, described as “Removal of plumbing, sprinkler and standpipe fixtures and piping as plans.”
- Alteration, filed Oct 29, 2025, estimated cost $70K, described as “Interior whitebox of non bearing walls as per plans”
- Alteration, filed Oct 27, 2025, estimated cost $500K, described as “Modification to existing Sprinkler system as per plans filed herewith.”
- Alteration, filed Oct 24, 2025, estimated cost $500K, described as “New openings in existing lot line wall, to create a convenience connection to adjacent building (per CCD1 control #69688), including fire protection water curtain and fire alarm work.”
- Alteration, filed Sep 11, 2025, estimated cost $95K, described as “Filing for non egress stair enclosure on the 14 & 15 floors as per plans.”
- Alteration, filed Jul 16, 2025, estimated cost $600K, described as “Mechanical work as per plans.”
- Alteration, filed Jul 15, 2025, estimated cost $48K, described as “Plumbing & sprinkler work as per plans”
- Alteration, filed Jun 25, 2025, estimated cost $1.2M, described as “Interior renovation of non loading bearing partitions, ceilings and doors as per plans.”
120 more, older permits are in this building’s full list on the map.
Property taxes
- Assessment
- $135,548,550
- 2026–27 tax
- $14,704,307
- Market value (city estimate)
- $301,219,000
- Taxable value
- $135,548,550
- Assessed land
- $8,010,000
- Assessed improvements
- $127,538,550
Zoning
M1-6: floor area ratio 16.03 built, above the 10.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard. FEMA’s preliminary map: zone X, moderate risk: a 0.2% chance of flooding each year.
Board and land use applications
- HUDSON SQUARE SPECIAL DISTRICT (City Planning P2012M0255): Completed, decided Mar 26, 2013. Zoning text and map amendments to establish the Special Hudson Square District.
In the news
New Lease Signed At 555 Greenwich Street And 345 Hudson Street In Hudson Square, Manhattan, New York YIMBY, Jun 1, 2024.