# 345 Hudson Street, Manhattan

Commercial · built c. 1931 · Block 598, Lot 58.

On Umarelli: https://umarelli.org/nyc/1005980058/345-hudson-street

More construction in SoHo: https://umarelli.org/nyc/manhattan/soho.md

## 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: https://umarelli.org/nyc/1005980058/345-hudson-street.

## 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](https://newyorkyimby.com/2024/06/new-lease-signed-at-555-greenwich-street-and-345-hudson-street-in-hudson-square-manhattan.html), New York YIMBY, Jun 1, 2024.

From New York City and Jersey City public records, refreshed within a day of each release. Sources: https://umarelli.org/sources. Methodology and corrections: https://umarelli.org/methodology