520 Fifth Avenue, Manhattan
Condominium · 100 units · built 2024 · Block 1259, Lot 7503.
Building permits
- Alteration, filed Sep 8, 2026, estimated cost $595K, described as “Removal and instillation of interior non load bearing partitions and related finishes. Filed in conjuction with new building application 121209192. Mpp 47.”
- Alteration, filed Aug 11, 2026, estimated cost $900K, described as “Removal and instillation of interior non load bearing partitions and related finishes. Filed in conjuction with new building application 121209192. Mpp 47.”
- Alteration, filed Jun 22, 2026, estimated cost $1.1M, described as “Removal and instillation of interior non load bearing partitions and related finishes. Filed in conjuction with new building application 121209192. Mpp 47.”
- Alteration, filed Mar 30, 2026, estimated cost $1.1M, described as “Removal and instillation of interior non load bearing partitions and related finishes. Filed in conjuction with new building application 121209192. Mpp 47.”
- Alteration, filed Mar 27, 2026, estimated cost $380K, described as “Removal and instillation of interior non load bearing partitions and related finishes. Filed in conjuction with new building application 121209192. Mpp 47.”
- Alteration, filed Feb 10, 2026, estimated cost $484K, described as “Removal and instillation of interior non load bearing partitions and related finishes. Filed in conjuction with new building application 121209192. Mpp 47.”
- Alteration, filed Sep 24, 2025, estimated cost $100K, described as “Installation and use of building maintenance unit (BMU) as per plans filed herewith. This application is filed in conjunction with NB-121209192.”
- Alteration, filed Sep 11, 2025, estimated cost $484K, described as “Removal and instillation of interior non load bearing partitions and related finishes. Filed in conjuction with new building application 121209192. No changes to use, egress or occupancy.”
- No Work, filed Aug 8, 2025
- No Work, filed Aug 8, 2025
- Alteration, filed Jul 24, 2025, estimated cost $650K, described as “Interior renovation of construction 6TH floor as per drawingsherin. No changes to use, egress, occupancy, density, building envelope, bulk, height, setbacks or floor area. Filed in conjuction with new building application 121209192.”
- Alteration, filed Jul 16, 2025, estimated cost $75K, described as “Installation of Temporary Partitions / Weather Walls. No change in use, egress or occupancy.”
- Alteration, filed May 22, 2025, estimated cost $484K, described as “Removal and instillation of interior non load bearing partitions and related finishes. Filed in conjuction with new building application 121209192.”
- Alteration, filed Aug 15, 2024, estimated cost $1K, described as “Installation & use of temporary loading platforms”
- Alteration, filed Aug 7, 2024, estimated cost $484K, described as “Removal and instillation of interior non load bearing partitions and related finishes. Filed in conjuction with new building application 121209192.”
- Alteration, filed May 15, 2024, estimated cost $10K, described as “Installation of a temporary p/m hoist as per plans in conjunction with NB construction. No change in use, egress or occupancy. Hoist to comply with 2022 NYC building code, chapter 33.”
- Alteration, filed May 15, 2024, estimated cost $5K, described as “Installation of a temporary material hoist as per plans in conjunction with NB construction. No change in use, egress or occupancy. Material hoist to comply with 2022 NYC building code, chapter 33.”
- Alteration, filed Apr 15, 2024, estimated cost $1K, described as “Installation & use of concrete placing boom during new building construction”
- Alteration, filed Apr 10, 2024, estimated cost $1K, described as “Installation & use of concrete placing boom during new building construction”
- Alteration, filed Mar 11, 2024, estimated cost $1K, described as “Installation and use of temporary cocoon as per plans filed herewith. No change in use, egress or occupancy.”
- Alteration, filed Jan 26, 2024, estimated cost $5K, described as “Installation of temporary storage deck as per plans in conjunction with NB construction. No change in use, egress or occupancy. Storage deck shall comply with chapter 33 of NYC building code of 2022.”
- Alteration, filed Dec 12, 2023, estimated cost $10K, described as “Installation of a temporary cantilever overhead protection system as per plans in conjunction with NB construction. No change in use, egress or occupancy. Overhead protection system shall comply with chapter 33 of NYC building code.”
- Alteration, filed Nov 27, 2023, estimated cost $5K, described as “Installation of a temporary material hoist as per plans during NB construction. No change in use, egress or occupancy. Material hoist installed in accordance with 2022 NYC building code, chapter 33”
- Alteration, filed Jul 19, 2023, estimated cost $10K, described as “Installation of a temporary staging area & overhead protection as per plans during NB construction. No change in use, egress or occupancy. Staging area & ohp installed to comply with 2022 NYC building code, chapter 33.”
- Alteration, filed Jun 9, 2023, estimated cost $1K, described as “Installation and use of temporary supported scaffold as per plans filed herewith. No change in use, egress, or occupancy.”
29 more, older permits are in this building’s full list on the map.
Property taxes
- Assessment
- $80,910,001
- 2026–27 tax
- $9,211,359
- Market value (city estimate)
- $179,799,995
- Taxable value
- $80,729,743
- Assessed land
- $11,083,488
- Assessed improvements
- $69,826,513
- Condo units with their own tax lots
- 103
Zoning
C5-3: floor area ratio 31.44 built, above the 15.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Aug 24, 2026: $4,677,011, Apt 73B
- Aug 13, 2026: $6,450,000, Apt 64A
- Aug 11, 2026: $6,775,000, Apt 43B
- Aug 10, 2026: $5,413,225, Apt 63A
- Aug 10, 2026: $12,500,000, Apt PH74
- Aug 7, 2026: $11,475,000, Apt PH75
- Aug 6, 2026: $5,250,000, Apt 64B
- Aug 5, 2026: $6,300,000, Apt 44B
- Aug 5, 2026: $4,725,000, Apt 45A
- Aug 5, 2026: $6,295,500, Apt 65A
The 10 most recent of 96 open-market sales since 2016, from the Department of Finance’s sales files.
In the news
520 Fifth Avenue Supertall Wraps Up Construction in Midtown, Manhattan, New York YIMBY, Aug 3, 2026.