527 West 34th Street, Manhattan
Commercial · built 2018 · Block 706, Lot 17.
Building permits
- Alteration, filed Oct 6, 2026, estimated cost $50K, described as “Hereby filing to construct interior partitions, ceilings and doors for office/tenant fit out as shown on plans filed herewith. No change to use, occupancy or egress.”
- Alteration, filed Aug 18, 2026, estimated cost $406K, described as “Interior renovation of existing office on the 54th floor as indicated on plans filed herewith. No change of use, egress or occupancy.”
- Alteration, filed May 4, 2026, estimated cost $115K, described as “Hereby filing remove and construct doorways as shown on plans filed herewith. No change to use, occupancy or egress.”
- Alteration, filed Apr 22, 2026, estimated cost $10K, described as “Hereby filing non-Bearing Interior Non-Rated Partitions for shower room installation as shown on plans filed herewith. No change to use, occupancy or egress.”
- Alteration, filed Mar 27, 2026, estimated cost $9.0M, described as “Interior renovation of the 18TH & 19TH floor as per plans filed. No change to use, egress or occupancy.”
- Alteration, filed Mar 19, 2026, estimated cost $314K, described as “Hereby filing Installation of walls and ceiling, dumbwaiter and new vestibule for retail space and cellar storage as shown on plans filed herewith. No change to use, occupancy or egress.”
- Alteration, filed Mar 17, 2026, estimated cost $2.0M, described as “Hereby filing to construct interior partitions, ceilings and doors for tenant and elevator lobby build out as shown on plans filed herewith. NO change to use, occupancy or egress.”
- Alteration, filed Mar 13, 2026, estimated cost $5.3M, described as “Hereby filing to construct interior partitions, ceilings and doors for for office fit out as shown on plans filed herewith. No change to use, occupancy or egress.”
- Alteration, filed Mar 13, 2026, estimated cost $387K, described as “Interior non-structural demolition of existing office tenant fit-out including removal of existing non-load-bearing partitions, ceilings, finishes, and partial demo of core restrooms as shown on plans filed herewith. No change to use,…”
- Alteration, filed Mar 10, 2026, estimated cost $8.6M, described as “Hereby filing to construct interior partitions, ceilings and doors for for office fit out as shown on plans filed herewith. No change to use, occupancy or egress.”
- Alteration, filed Mar 10, 2026, estimated cost $590K, described as “Hereby filing to construct interior partitions, ceilings and doors for for lobby fit out as shown on plans filed herewith. No change to use, occupancy or egress.”
- Alteration, filed Mar 10, 2026, estimated cost $8.4M, described as “Hereby filing to construct interior partitions, ceilings and doors for for office fit out as shown on plans filed herewith. No change to use, occupancy or egress.”
- Alteration, filed Mar 10, 2026, estimated cost $4.1M, described as “Hereby filing to construct interior partitions, ceilings and doors for for office fit out as shown on plans filed herewith. No change to use, occupancy or egress.”
- Alteration, filed Mar 10, 2026, estimated cost $12.9M, described as “Hereby filing to construct interior partitions, ceilings and doors for for office fit out as shown on plans filed herewith. No change to use, occupancy or egress.”
- Alteration, filed Feb 11, 2026, estimated cost $30K, described as “Interior work for wall opening on 54 floor as per plans filed herewith. No change to use, egress, or occupancy.”
- Alteration, filed Feb 4, 2026, estimated cost $65K, described as “Hereby filing to remove and construct interior partitions, ceilings and doors for tenant space as shown on plans filed herewith. No change to use, occupancy or egress.”
- Alteration, filed Jan 26, 2026, estimated cost $181K, described as “Modification of existing sprinkler system as per the filed the plans. No change to use, occupancy or egress.”
- Alteration, filed Jan 22, 2026, estimated cost $933K, described as “Hereby filing Addition of new convenience stairs and addition of associated stair openings as shown on plans filed herewith. No changes to use, occupancy or egress.”
- Alteration, filed Jan 22, 2026, estimated cost $746K, described as “Hereby filing Addition of new convenience stairs and addition of associated stair openings as shown on plans filed herewith. No changes to use, occupancy or egress.”
- Alteration, filed Jan 6, 2026, estimated cost $200K, described as “Hereby filing to remove and construct interior partitions, ceilings and doors for tenant space as shown on plans filed herewith. No change to use, occupancy or egress.”
- Alteration, filed Dec 8, 2025, estimated cost $2.1M, described as “Hereby filing to construct interior partitions, ceilings and door for new tenant and elevator lobby as shown on plans filed herewith. No change to use, occupancy or egress.”
- Alteration, filed Nov 12, 2025, estimated cost $475K, described as “Hereby filing to remove and construct interior partitions ceilings, and doors for modification of tenant buildout as shown on plans filed herewith. No change to use, occupancy or egress.”
- Alteration, filed Oct 20, 2025, estimated cost $462K, described as “Interior renovation of existing office on the 54th floor as indicated on plans filed herewith. No change of use, egress or occupancy.”
- No Work, filed Oct 17, 2025, described as “TPA: Pfizer Innovation Event - October 21, 2025 - January 19, 2026 - 7am-7pm”
- Alteration, filed Sep 25, 2025, estimated cost $25K, described as “Installation of 300 psf sidewalk shed as per plans. All equipment shall comply with chapter #33 of the 2022 code. No change in use, egress or occupancy under this application.”
258 more, older permits are in this building’s full list on the map.
Property taxes
- Assessment
- $565,683,750
- Market value (city estimate)
- $1,257,075,000
- Taxable value
- $0
- Assessed land
- $21,836,700
- Assessed improvements
- $543,847,050
Tax breaks
- IDA PILOT, with no end date.
Zoning
C6-4: floor area ratio 32.96 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.
Board and land use applications
- 66 Hudson Boulevard Parking Certification (City Planning 2019M0266): Completed, filed May 2, 2019, decided Jun 1, 2021. Hudson Yards Chair Certification for off-street parking pursuant to ZR 93-821 for a property at 66 Hudson Boulevard.
- 66 Hudson Blvd Office Cert (City Planning P2018M0250): Completed, decided Jun 12, 2018. This is a private application for a Chair Certification for Office use in the Special Hudson Yards District at 66 Hudson Yards pursuant to Section 93-131.
- 66 Hudson Boulevard DIB and ERY Transfer (City Planning P2017M0400): Completed, decided Sep 28, 2017. This is a private application for a Hudson Yards District Improvement Bonus Chair Certification pursuant to ZR 93-31 and a transfer of floor area from the Eastern Rail Yards pursuant to ZR 93-34.
- Block 4 Contribution in Kind -- 66 Hudson Yards (City Planning P2017M0256): Completed, decided Sep 26, 2017. This is an applicant an authorization for a contribution in kind pursuant to ZR Section 93-32(b) to facilitate the construction of a portion of Phase 2 Hudson Boulevard and Park (portion of Block 708 Lot 1).
- 509 West 34th Street ERY Transfers (Lots 17 & 20) (City Planning P2016M0369): Completed, decided Mar 31, 2016. This is a private application for a Hudson Yards Chair Certification for a transfer of floor area from the Eastern Rail Yards pursuant to ZR 93-34 for two lots on Block 706.
- 438 Eleventh Ave. 93-32 TDR transfers (City Planning P2015M0175): Completed, decided Mar 30, 2016. This is a Chair Certification to transfer floor area from the Hudson Boulevard and Park pursuant to ZR 93-32(a).
- 509 W. 34th Street (HY cert applications) (City Planning P2015M0129): Completed. This is a private application for a Hudson Yards District Improvement Bonus Chair Certification pursuant to ZR 93-31 and a transfer of floor area from the Eastern Rail Yards pursuant to ZR 93-34.
In the news
Refinancing Completed For The Spiral At 66 Hudson Boulevard In Hudson Yards, Manhattan, New York YIMBY, Jan 11, 2025.