# 345 8th Avenue, Manhattan

Co-op · 1,134 units · built 1960 · Block 751, Lot 1.

On Umarelli: https://umarelli.org/nyc/1007510001/345-8-avenue

More construction in Chelsea: https://umarelli.org/nyc/manhattan/chelsea.md

Every lot on block 751: https://umarelli.org/nyc/manhattan/751.md

## Building permits

- Alteration, filed Apr 11, 2025, estimated cost $36K, described as “The scope of work consists of kitchen remodeling and closet door replacement. no changes to the building egress, footprint or height.”
- Alteration, filed Feb 26, 2025, estimated cost $20K, described as “Playground renovation, no change in use, egress or occupancy.”
- Alteration, filed Jul 30, 2024, estimated cost $8K, described as “Laundry room sprinkler upgrade per plans. No change in use, egress or occupancy.”
- Alteration, filed Jul 30, 2024, estimated cost $8K, described as “Laundry room sprinkler upgrade per plans. No change in use, egress or occupancy.”
- Alteration, filed Jul 30, 2024, estimated cost $8K, described as “Laundry room sprinkler upgrade per plans. No change in use, egress or occupancy.”
- Alteration, filed Jul 22, 2024, described as “Installation and use of suspended scaffold for facade restoration/inspection as per plans submitted”
- Alteration, filed Jul 22, 2024, estimated cost $1K, described as “Construction fence as per drawings. Construction fence shall comply with ch #33 of the NYC bc. No change in use, occupancy or egress under this application.”
- Alteration, filed Jul 18, 2024, estimated cost $2K, described as “Installation of a temporarily heavy-duty sidewalk shed per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Jun 5, 2024, estimated cost $100K, described as “Maintenance and repair of concrete steps and slab as per plans filed herewith. No change in use, egress or occupancy.”
- Alteration, filed Apr 3, 2023, estimated cost $3K, described as “Installation of a temporarily Material storage per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Apr 3, 2023, estimated cost $3K, described as “Installation of a temporarily Material storage per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Oct 6, 2022, estimated cost $146K, described as “Filing herewith for valve replacements .”
- Alteration, filed Jun 22, 2022, estimated cost $19K, described as “Installation of temporary construction fence as 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 24, 2022, estimated cost $500K, described as “Horizontal domestic gas re-pipe. No change in use, occupancy, or egress.”
- Alteration, filed May 1, 2022, estimated cost $36K, described as “Facade repairs including brick repointing, concrete eyebrow repairs, replacement of brick masonry, window sills, lintels, terra cotta coping, concrete coping, and roof asssembly above deck at main roof and bulkhead. No change in use,…”
- Alteration, filed May 1, 2022, estimated cost $13K, described as “Facade repairs including brick repointing, concrete eyebrow repairs and replacement of brick masonry, window sills, lintels, terra cotta coping, and concrete coping. No change to use, egress, or occupancy.”
- Alteration, filed May 1, 2022, estimated cost $13K, described as “Facade repairs including brick repointing, concrete eyebrow repairs and replacement of brick masonry, window sills, lintels, terra cotta coping, and concrete coping. No change in use egress or occupancy.”
- Alteration, filed Mar 14, 2022, estimated cost $25K, described as “Installation of temporary sidewalk shed as 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 Mar 11, 2022, estimated cost $5K, described as “Installation of plywood fence as per drawings. Plywood fence shall comply with ch #33 of the NYC bc. No change in use, occupancy or egress under this application.”
- Alteration, filed Mar 9, 2022, estimated cost $25K, described as “Installation of temporary sidewalk shed as 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 Mar 8, 2022, estimated cost $15K, described as “Installation of temporary sidewalk shed as 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 15, 2021, estimated cost $20K, described as “Replace existing underground standpipe pipping and post indicator valve”
- Alteration, filed Nov 30, 2020, estimated cost $10K, 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 Mar 16, 2020, estimated cost $200K, described as “Install new under ground pipping and connect to existing at cellar levell”
- Alteration, filed Mar 5, 2020, estimated cost $5K, described as “Installtemporary construction fence”

4 more, older permits are in this building’s full list on the map: https://umarelli.org/nyc/1007510001/345-8-avenue.

## Property taxes

- Assessment: $116,127,450
- 2026–27 tax: $2,573,930
- Market value (city estimate): $258,061,000
- Taxable value: $0
- Assessed land: $18,360,000
- Assessed improvements: $97,767,450

## Tax breaks

- J-51 abatement, through Sep 30, 2034, a $356,763 credit this tax year.

## Zoning

R8: floor area ratio 4.13 built, 6.02 allowed by base zoning.

## Recent sales

- Jan 9, 2026: $99,423
- Jan 5, 2026: $99,423
- Dec 10, 2025: $79,389
- Dec 10, 2025: $99,236
- Dec 8, 2025: $119,083
- Nov 20, 2025: $158,485
- Nov 17, 2025: $198,106
- Nov 14, 2025: $118,864
- Nov 13, 2025: $118,864
- Oct 23, 2025: $138,419

The 10 most recent of 253 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

- Change to an earlier grant (Board of Standards and Appeals 465-63-BZII): Change to an earlier grant, Granted, filed Jul 15, 2003, decided Oct 21, 2003. Extension of time which expired October 10, 2002, permitting the use of surplus spaces for transient parking, not to exceed 275 spaces located within an R8 zoning district
- Change to an earlier grant (Board of Standards and Appeals 465-63-BZ): Change to an earlier grant, Granted, filed Jan 13, 2000, decided Oct 3, 2000. Request for a waiver of the Rules of Practice and Procedure and reopening for an extension of term of variance, which expired July 23, 1978, permitting parking in the excess tenants parking spaces in an existing multiple dwelling accessory…

## In the news

[Housing Lottery Launches for Mabel at 335 8th Avenue in Chelsea, Manhattan](https://newyorkyimby.com/2025/06/housing-lottery-launches-for-mabel-at-335-8th-avenue-in-chelsea-manhattan.html), New York YIMBY, Jun 28, 2025.

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