40 South 9th Street, Brooklyn
Condominium · 20 units · built 2013 · Block 2135, Lot 7504.
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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.