# 4523 Broadway, Manhattan

Co-op · 350 units · built 1951 · Block 2180, Lot 633.

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On Umarelli: https://umarelli.org/nyc/1021800633/4523-broadway

More construction in Washington Heights: https://umarelli.org/nyc/manhattan/washington-heights.md

Every lot on block 2180: https://umarelli.org/nyc/manhattan/2180.md

## Building permits

- Alteration, filed Feb 27, 2026, described as “Rope access installation for facade access and inspections”
- Alteration, filed May 2, 2025, estimated cost $20K, described as “Combine unit 5F and 5G and new non-loadbearing partitions as shown on plans. All plumbing work filed under separate application. No change to egress, use, or occupancy.”
- Alteration, filed Sep 6, 2024, estimated cost $108K, described as “Facade and leak repairs as indicated on the plans filed herewith. No change in use, egress or occupancy”
- Alteration, filed Sep 6, 2024, estimated cost $108K, described as “Facade and leak repairs as indicated on the plans filed herewith. No change in use, egress or occupancy.”
- Alteration, filed Sep 6, 2024, estimated cost $108K, described as “Facade and leak repairs as indicated on the plans filed herewith. No change in use, egress or occupancy”
- Alteration, filed Sep 6, 2024, estimated cost $108K, described as “Facade and leak repairs as indicated on the plans filed herewith. No change in use, egress or occupancy”
- Alteration, filed Sep 6, 2024, estimated cost $108K, described as “Facade and leak repairs as indicated on the plans filed herewith. No change in use, egress or occupancy”
- Alteration, filed Sep 6, 2024, estimated cost $108K, described as “Facade and leak repairs as indicated on the plans filed herewith. No change in use, egress or occupancy.”
- Alteration, filed Sep 6, 2024, estimated cost $108K, described as “Facade and leak repairs as indicated on the plans filed herewith. No change in use, egress or occupancy”
- Alteration, filed Sep 6, 2024, estimated cost $108K, described as “Facade and leak repairs as indicated on the plans filed herewith. No change in use, egress or occupancy”
- Alteration, filed Jul 25, 2024, described as “Suspended Scaffold and hoist installation as per plans filed herewith.”
- Alteration, filed Jul 1, 2024, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of 2022 the NYC building code. Live load 300PSF.”
- Alteration, filed Jul 1, 2024, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of 2022 the NYC building code. Live load 300PSF.”
- Alteration, filed Jul 1, 2024, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of 2022 the NYC building code. Live load 300PSF.”
- Alteration, filed Jul 1, 2024, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of 2022 the NYC building code. Live load 300PSF.”
- Alteration, filed Jul 1, 2024, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of 2022 the NYC building code. Live load 300PSF.”
- Alteration, filed Jul 1, 2024, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of 2022 the NYC building code. Live load 300PSF.”
- Alteration, filed Jul 1, 2024, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of 2022 the NYC building code. Live load 300PSF.”
- Alteration, filed Jul 1, 2024, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of 2022 the NYC building code. Live load 300PSF.”
- Alteration, filed Jul 27, 2020, described as “Installation of temporary sidewalk shed per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Jul 24, 2020, described as “Installation of temporary sidewalk shed per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Jul 24, 2020, described as “Installation of temporary sidewalk shed per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Jul 24, 2020, described as “Installation of temporary sidewalk shed per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Jul 24, 2020, described as “Installation of temporary supported scaffold per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Dec 19, 2019

## Property taxes

- Assessment: $11,762,550
- 2026–27 tax: $1,115,846
- Assessed land: $3,132,000
- Assessed improvements: $8,630,550

## Zoning

R7-2: floor area ratio 3.41 built, 3.44 allowed by base zoning.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

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