# 350 Butler Street, Brooklyn

Condominium · 34 units · built 2021 · Block 943, Lot 7505.

On Umarelli: https://umarelli.org/nyc/3009437505/350-butler-street

More construction in Park Slope: https://umarelli.org/nyc/brooklyn/park-slope.md

## Building permits

- Alteration, filed May 22, 2023, described as “This application is filed for a Temporary Use Permit for a sales office including model apartments pursuant to section AC 28-111 and Buildings Bulletin 2010-002.”
- Alteration, filed Jul 6, 2021, estimated cost $3K, described as “Installation of a temporarily overhead protection 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 30, 2021, estimated cost $10K, described as “Installation of single 5000 # capacity personnel/material hoist during NB const, filed sep. Hoist shall comply with ch #33 of the NYC bc. No change in use, occupancy or egress under this application. Elevator application submitted…”
- Alteration, filed Nov 8, 2020, estimated cost $25K, described as “Temporary standpipe application in conjunction with NB filing 322084882”
- Alteration, filed Oct 13, 2020, estimated cost $15K, described as “Fence filing in conjunction with NB 322084882”
- Alteration, filed Oct 9, 2020, estimated cost $500K, described as “Structural plans in conjunction with NB 322084882”
- Alteration, filed Sep 25, 2020, estimated cost $5K, described as “Installation of sidewalk shed as per plans, sidewalk shed live load will be 300 psf, shall comply with chapter #33 of the 2014 code no change to use, egress or occupancy.”
- Alteration, filed Sep 25, 2020, estimated cost $5K, described as “Installation of sidewalk shed as per plans, sidewalk shed live load will be 300 psf, shall comply with chapter #33 of the 2014 code no change to use, egress or occupancy.”
- Alteration, filed Sep 25, 2020, estimated cost $5K, described as “Installation of sidewalk shed as per plans, sidewalk shed live load will be 300 psf, shall comply with chapter #33 of the 2014 code no change to use, egress or occupancy.”
- Alteration, filed Jun 10, 2020, estimated cost $10K, described as “A 8'-0" high construction fence to be erected more than 3'-0" away from the perimeter of the property line and enclosed 3 demolition projects that will undergo simultaneous demo: 346, 350 & 352 butler street.”
- Alteration, filed May 6, 2020, estimated cost $150K, described as “Mechanical work for proposed new building”
- Alteration, filed May 6, 2020, estimated cost $150K, described as “Plumbing, sprinkler and standpipe work in conjunction with NB application”

## Property taxes

- Assessment: $6,073,652
- 2026–27 tax: $640,186
- Market value (city estimate): $13,497,003
- Taxable value: $6,073,652
- Assessed land: $297,003
- Assessed improvements: $5,776,649
- Condo units with their own tax lots: 34

## Tax breaks

- Co-op and condo abatement, with no end date, a $115,316 credit this tax year.

## Zoning

C4-4D: floor area ratio 6.33 built, above the 6.02 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Oct 29, 2025: $1,340,000, Apt 2B
- Jul 30, 2025: $1,275,000, Apt 10A
- May 20, 2025: $1,866,881, Apt 9A
- Mar 21, 2025: $2,495,000, Apt 10B
- Oct 2, 2024: $2,395,000, Apt 8B
- Jul 19, 2024: $600,429, Apt 1D
- Jul 17, 2024: $4,150,000, Apt PH1
- Apr 30, 2024: $2,300,000, Apt 8A
- Mar 29, 2024: $1,435,000, Apt 4B
- Mar 28, 2024: $2,565,000, Apt 7A

The 10 most recent of 35 open-market sales since 2016, from the Department of Finance’s sales files.

## Flood zone

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

## In the news

[350 Butler Street’s Brick Façade Takes Shape in Park Slope, Brooklyn](https://newyorkyimby.com/2022/06/350-butler-streets-brick-facade-takes-shape-in-park-slope-brooklyn.html), New York YIMBY, Jun 26, 2022.

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