# 813 8th Avenue, Brooklyn

Co-op · 8 units · built c. 1911 · Block 1091, Lot 4.

On Umarelli: https://umarelli.org/nyc/3010910004/813-8-avenue

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

Every lot on block 1091: https://umarelli.org/nyc/brooklyn/1091.md

## Building permits

- Alteration, filed Mar 6, 2025, estimated cost $10K, described as “Installation of 300 psf sidewalk shed and pipe scaffold as per plans. All equipment shall comply with chapter #33 of the 2022 code. No change in use, egress or occupancy under this application.”
- Alteration, filed Feb 21, 2025, estimated cost $60K, described as “Application filed for facade leak repairs as per plans here within. No change in use, occupancy, or egress under this application.”
- Alteration, filed Oct 8, 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.”

## Property taxes

- Assessment: $1,191,600
- 2026–27 tax: $25,990
- Market value (city estimate): $2,648,000
- Taxable value: $276,164
- Assessed land: $22,950
- Assessed improvements: $1,168,650

## Tax breaks

- Co-op and condo abatement, with no end date, a $8,452 credit this tax year.

## Zoning

R7B: floor area ratio 2.69 built, 3.00 allowed by base zoning.

## Recent sales

- Oct 27, 2025: $875,000
- May 30, 2025: $763,000
- Mar 15, 2022: $785,000
- Nov 9, 2021: $800,000
- Sep 28, 2018: $612,500
- Nov 21, 2017: $562,000

Open-market sales since 2016, from the Department of Finance’s sales files.

## Flood zone

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

## Landmarks

Part of Park Slope Historic District Extension (Historic District). 4 Landmarks Preservation Commission permits are on file.

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