# 305 8th Avenue, Brooklyn

Co-op · 32 units · built c. 1914 · Block 1081, Lot 5.

On Umarelli: https://umarelli.org/nyc/3010810005/305-8-avenue

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

Every lot on block 1081: https://umarelli.org/nyc/brooklyn/1081.md

## Building permits

- Alteration, filed Jun 5, 2026, estimated cost $9K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 lbs per square feet. Sidewalk shed shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed Oct 21, 2021, estimated cost $10K, described as “Hereby filing for the replacement of plumbing fixtures orginally filed and approved under application 301055907. No change to use occupancy or egress. Related application number is gc-301055907.”
- Alteration, filed Jul 30, 2021, estimated cost $10K, described as “Proposed installation of heavy duty sidewalk shed and pipe scaffold as per plans and shall comply with chapter #33 of the 2014 code. No change in use occupancy or egress under this application.”
- Alteration, filed Jul 1, 2020, estimated cost $10K, described as “Replacement of all plumbing fixtures in bathrooms, replacement of appliances in kitchen. This application is in conjunction with ALT2# 322014994.”
- Alteration, filed Jun 3, 2020, estimated cost $10K, described as “Filing herewith for plumbing portion of apartment renovation filing”
- Alteration, filed Sep 17, 2019, estimated cost $5K, described as “Proposed installation of temporary pipe scaffold as per plans. Work shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”

## Property taxes

- Assessment: $2,479,500
- 2026–27 tax: $259,025
- Market value (city estimate): $5,510,000
- Taxable value: $2,362,451
- Assessed land: $193,500
- Assessed improvements: $2,286,000

## Tax breaks

- Co-op and condo abatement, with no end date, a $35,029 credit this tax year.

## Zoning

R7B: floor area ratio 2.28 built, 3.00 allowed by base zoning.

## Recent sales

- May 14, 2026: $590,000
- Nov 26, 2025: $463,125
- Dec 17, 2024: $515,000
- May 14, 2024: $495,000
- Mar 7, 2022: $1,375,000
- Nov 10, 2021: $415,000
- Jul 16, 2021: $999,000
- Jun 28, 2021: $870,000
- Jun 2, 2021: $2,950,000
- Apr 23, 2021: $1,100,000

The 10 most recent of 20 open-market sales since 2016, from the Department of Finance’s sales files.

## Flood zone

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

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