# 580 Carroll Street, Brooklyn

Condominium · 17 units · built 2009 · Block 961, Lot 7501.

On Umarelli: https://umarelli.org/nyc/3009617501/580-carroll-street

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

Every lot on block 961: https://umarelli.org/nyc/brooklyn/961.md

## Building permits

- Alteration, filed Feb 13, 2025, estimated cost $10K, described as “Replacement of an existing storefront with new storefront at unit 1A private secondary entry as shown on drawings. No change to occupancy, use or egress.”
- Alteration, filed Jan 23, 2023, estimated cost $10K, described as “Installation of sidewalk shed as per plan and in accordance with Chapter 33 on NYC Building Code. No change in use, egress or occupance”
- Alteration, filed Aug 22, 2022, estimated cost $10K, described as “Installation of pipe scaffolding as per plan and in accordance with chapter 33 of NYC 2014 Building Code. No change in use, egress or occupancy.”
- Alteration, filed May 18, 2021, estimated cost $2K, described as “Installation of 1,000lb capacity beta max material hoist, operated within pipe scaffold tower. Hoist installation as per plan and in accordance with Chapter 33 of NYC 2014 Building Code. No change in use, egress, or occupancy.”
- Alteration, filed May 18, 2021, estimated cost $10K, described as “Installation of pipe scaffolding and sidewalk shed for material and debris storage (600PSF design live load), as per plan and in accordance with chapter 33 of NYC 2014 building code. No change in use, egress or occupancy.”
- Alteration, filed Feb 4, 2021, estimated cost $500K, described as “Facade and roof repair work as per plans filed herewith. No change in occupancy, use or egress.”
- Alteration, filed Jun 29, 2018, estimated cost $1K, described as “Installation of scaffold during facade repair. No changes in egress, use, or occupancy.”

## Property taxes

- Assessment: $2,360,854
- 2026–27 tax: $190,299
- Market value (city estimate): $5,246,316
- Taxable value: $1,542,115
- Assessed land: $457,662
- Assessed improvements: $1,903,192
- Condo units with their own tax lots: 45

## Tax breaks

- 421-a exemption, through Jun 30, 2027, about $41,231 a year below the full tax.

## Zoning

R6B: floor area ratio 2.09 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Oct 1, 2024: $1,600,000, Apt 3C
- Apr 30, 2024: $2,325,000, Apt 5C, sold with other lots
- Nov 9, 2023: $1,635,704, Apt 2C, sold with other lots
- May 18, 2023: $1,700,000, Apt 2D, sold with other lots
- May 4, 2023: $1,635,000, Apt 4C, sold with other lots
- Nov 9, 2022: $2,100,000, Apt 5C, sold with other lots
- Apr 8, 2022: $1,800,000, Apt 5D, sold with other lots
- Oct 7, 2021: $1,130,000, Apt 3A, sold with other lots
- Aug 6, 2021: $1,895,000, Apt 1A, sold with other lots
- Jun 11, 2021: $2,260,000, Apt 1B, sold with other lots

The 10 most recent of 17 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

- Variance or special permit (Board of Standards and Appeals 161-09-BZ): Variance or special permit, Denied, filed Apr 23, 2009, decided Mar 9, 2010. Variance (§72-21) for the development of two residential buildings (20 dwelling units) contrary to rear yard equivalent, floor area, lot coverage, minimum distance between buildings and minimum distance between legally required window…

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
