# 609 5th Avenue, Manhattan

Condominium · built c. 1925 · Block 1284, Lot 7501.

On Umarelli: https://umarelli.org/nyc/1012847501/4-east-49-street

More construction in Midtown: https://umarelli.org/nyc/manhattan/midtown.md

## Building permits

- Alteration, filed Oct 30, 2026, estimated cost $8.0M, described as “General construction to include demo of existing & construction of new installation of new partitions, finishes, doors , ceiling, ramp and related construction as shown on plans filed. No change in use, egress or occupancy under this…”
- Alteration, filed Jul 9, 2026, estimated cost $175K, described as “Application filed herewith for non-structural interior demo of existing partitions, doors. Ceiling, finishes as shown on plans filed herewith. No change in use, egress or occupancy under this application”
- Alteration, filed Apr 28, 2023, estimated cost $85K, described as “Filing for partial demolition work as per plans, demolition of interior, non-bearing partitions, doors, furring, subflooring, ceiling, and other finishes”
- Alteration, filed Apr 28, 2023, estimated cost $35K, described as “Filing to cap and remove plumbing fixtures on floors 4 thru 13 as per plans”
- Alteration, filed Apr 28, 2023, estimated cost $20K, described as “Filing to relocate existing chiller from main roof above 14TH floor to 9TH floor temporarily as per plans. Chiller to be relocated to main roof above 30TH floor under sepereate application”
- Major Renovation — Conversion, filed Mar 9, 2023, estimated cost $19.6M, 66 units added, 31 stories, described as “(hub filing) - convert existing 14 story commercial building to a 31 story mixed use building (residential and commercial) under ZR article 1 chapter 5, proposed vertical enlargement. Obtain amended certificte of occupancy”
- Alteration, filed Sep 14, 2021, estimated cost $5K, described as “Installation of 300 psf sidewalk shed as per plans. Sidewalk shed shall comply with chapter #33 of the 2014 code. No change inuse, egress or occupancy under this application.”
- Alteration, filed Aug 5, 2021, estimated cost $130K, described as “Installation of railing, steel framing, grating and counter flashing refurbishment as per plans. No change to use, egress or occupancy.”
- Alteration, filed Sep 11, 2020, estimated cost $24K, described as “Installation of pipe scaffold as per drawings. Scaffold shall originate from temp. Platform at first floor, filed sep. Scaffold shall comply with chapter #33 of the NYC building code. No change in use, occupancy or egress under this…”
- Alteration, filed Apr 27, 2020, estimated cost $234, described as “Erect non-illuminated blade sign not within view of arterial highway or public parkor arterial highway 1/2 acre or more.”
- Alteration, filed Apr 27, 2020, estimated cost $936, described as “Erect non-illuminated business accessory sign on wall not within view of arterial highway or public park 1/2 acre or more. No change in use egress or occupancy”
- Alteration, filed Apr 27, 2020, estimated cost $234, described as “Erect non-illuminated wall sign not within view of arterial highway or public parkor arterial highway 1/2 acre or more.”
- Alteration, filed Feb 7, 2020, estimated cost $58K, described as “Modifications to the existing sprinkler system as per plans. No change to use, egress or occupancy.”
- Alteration, filed Jan 27, 2020, estimated cost $583K, described as “Structural work as shown on plans.”
- Alteration, filed Jan 23, 2020, estimated cost $142K, described as “Mechanical work as shown on plans.”
- Alteration, filed Jan 23, 2020, estimated cost $49K, described as “Plumbing work as shown on plans”
- Alteration, filed Jan 23, 2020, estimated cost $67K, described as “Modifications to an existing sprinkler system.”
- No Work, filed Aug 27, 2019, described as “Grand opening events/reception for flagship Puma store.”
- Alteration, filed Jun 26, 2019, estimated cost $160, described as “Installation of temporary fence”
- Alteration, filed Dec 14, 2018, 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 May 21, 2018, described as “Plywood fence proposed installation of plywood fence as per plan. No change in use, egress or occupancy.”
- Alteration, filed May 16, 2018, described as “Installation of temporary scaffold inside elevator shaft 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 Apr 9, 2018, described as “Pipe scaffold proposed installation of pipe scaffold as per plan no change in use, occupancy of egress under this application.”
- Alteration, filed Apr 9, 2018, described as “Sidewalk shed proposed installation of sidewalk shed as per plan. No change in use, egress or occupancy.”

## Property taxes

- Assessment: $47,191,950
- 2026–27 tax: $4,609,685
- Market value (city estimate): $104,871,000
- Taxable value: $42,493,407
- Assessed land: $6,300,000
- Assessed improvements: $40,891,950
- Condo units with their own tax lots: 2

## Zoning

C5-3 (part of the lot is C5-2.5): floor area ratio 9.66 built, 15.00 allowed by base zoning.

## Recent sales

- Jun 15, 2022: $100,500,000, Unit OUO
- May 22, 2020: $164,961,209, Unit LOWER

Open-market sales since 2016, from the Department of Finance’s sales files.

## Flood zone

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

## Board and land use applications

- Greater East Midtown - Special Subdistrict (City Planning P2016M0316): Completed, decided Aug 15, 2017. This is an application by NYC Department of City Planning requesting a text amendment to establish the East Midtown Subdistrict and extend the Special Midtown District, and to rezone a half-block area from C5-2 to C5-3 to reinforce the…

## In the news

[Residential Conversion and Expansion Revealed for 609 Fifth Avenue in Midtown East, Manhattan](https://newyorkyimby.com/2026/03/residential-conversion-and-expansion-revealed-for-609-fifth-avenue-in-midtown-east-manhattan.html), New York YIMBY, Mar 31, 2026.

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