126 4th Avenue, Manhattan
Co-op · 175 units · built 1963 · Block 564, Lot 54.
Building permits
- Alteration, filed Nov 9, 2026, estimated cost $875K, described as “Cooling Tower and Chiller Replacement”
- Alteration, filed May 27, 2026, described as “Installation of suspended scaffold for facade work or inspection.”
- Alteration, filed Jun 26, 2023, estimated cost $113K, described as “Modification of Apartment 6J for handicapped accommodation. New interior non-bearing partitions, ceilings and finishes. No change to egress use or occupancy.”
- Alteration, filed Apr 14, 2023, estimated cost $1K, described as “Proposed installation of temporary pipe scaffold as per plans. Work shall comply with chapter #33 of 2022 the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed Sep 28, 2022, estimated cost $30K, described as “Interior renovation of existing apartment 14D. Partition and finish work as per plan. No change in use, occupancy or egress.”
- Alteration, filed Sep 26, 2022, estimated cost $70K, described as “Plumbing work in relation to apartment renovation as per plans filed herewith. No change to use egress or occupancy.”
- Alteration, filed Sep 23, 2022, estimated cost $585K, described as “General Construction work in relation to apartment renovation as per plans filed herewith. No change to use egress or occupancy.”
- Alteration, filed Oct 22, 2021, 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 the NYC building code. Live load 300PSF.”
- Alteration, filed Oct 7, 2021, 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 the NYC building code. Live load 300 psf.”
- Alteration, filed Jun 14, 2021, estimated cost $10K, described as “Filing for sprinkler heads installation to existing sprinkler system; no change to use, egress or occupancy.”
- Alteration, filed May 25, 2021, estimated cost $10K, described as “Replace exist'g 10 hp gas-fired high pressure steam boiler (NYC DOB boiler #: 105587-01) with new 10 hp gas-fired high pressure steam boiler at exist'g boiler room for dry cleaners at cellar as per plan.”
- Alteration, filed Feb 15, 2021, estimated cost $5K, described as “Replacement of existing cleaning machine with new hydrocarbon cleaning machine. No change of egress, use & occupancy.”
- Alteration, filed Sep 22, 2020, estimated cost $25K, described as “Installation of plumbing fixtures; no change to use, egress or occupancy.”
- Alteration, filed Sep 22, 2020, estimated cost $10K, described as “Amendment of existing ptac unit; no change to use, egress or occupancy.”
- Alteration, filed Sep 15, 2020, estimated cost $6K, described as “Plumbing work in connection with DOB bis job#: 123712866”
- Alteration, filed Jan 15, 2020, estimated cost $11K, described as “Installation of exhaust fan, exhaust duct and stainless steel hoods.”
Property taxes
- Assessment
- $16,466,850
- 2026–27 tax
- $1,685,546
- Market value (city estimate)
- $36,593,000
- Taxable value
- $15,090,889
- Assessed land
- $765,000
- Assessed improvements
- $15,701,850
Tax breaks
- Co-op and condo abatement, with no end date, a $192,548 credit this tax year.
Zoning
C6-1: floor area ratio 14.40 built, above the 6.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jul 13, 2026: $861,081
- Feb 19, 2026: $685,000
- Aug 27, 2025: $699,000
- Jun 4, 2025: $750,000
- May 21, 2025: $605,000
- Mar 31, 2025: $985,000
- Mar 12, 2025: $2,195,000
- Feb 11, 2025: $1,730,000
- Dec 19, 2024: $725,000
- Sep 30, 2024: $515,000
The 10 most recent of 57 open-market sales since 2016, from the Department of Finance’s sales files.
Board and land use applications
- Union Square South (City Planning 2019M0123): Completed, decided Nov 4, 2020. This is an application by the Department of City Planning requesting a zoning map and zoning text amendment to expand the Special Union Square District, create a new subdistrict (Subdistrict B), and establish a special permit for new hotel…