# 40 South 9th Street, Brooklyn

Condominium · 20 units · built 2013 · Block 2135, Lot 7504.

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On Umarelli: https://umarelli.org/nyc/3021357504/40-south-9-street

More construction in Williamsburg: https://umarelli.org/nyc/brooklyn/williamsburg.md

Every lot on block 2135: https://umarelli.org/nyc/brooklyn/2135.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $3,485,696
- 2026–27 tax: $125,870
- Market value (city estimate): $7,745,989
- Taxable value: $1,027,263
- Assessed land: $376,647
- Assessed improvements: $3,109,049
- Condo units with their own tax lots: 36

## Tax breaks

- 421-a exemption, through Jun 30, 2031, about $285,975 a year below the full tax.

## Zoning

R7A: floor area ratio 3.81 built, 4.00 allowed by base zoning.

## Recent sales

- Sep 16, 2025: $660,842, Apt 4A
- Oct 14, 2024: $970,000, Apt 4B
- Feb 3, 2022: $40,000, Apt P13
- Jan 31, 2022: $35,000, Apt P15
- Jan 31, 2022: $18,000, Apt P16
- Jan 25, 2022: $25,000, Apt P11
- Jan 20, 2022: $33,000, Apt P3
- Jan 20, 2022: $35,000, Apt P14
- Oct 27, 2021: $37,000, Apt P1
- Nov 4, 2020: $18,000, Apt P2

The 10 most recent of 21 open-market sales since 2016, from the Department of Finance’s sales files.

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