421 Maple Street, Brooklyn
Condominium · 10 units · built 2020 · Block 4792, Lot 7505.
Building permits
- Alteration, filed Feb 25, 2020, estimated cost $5K, described as “Installation of Sidewalk Shed as Per Plan”
- Alteration, filed Oct 17, 2019, estimated cost $5K, described as “Installation of construction fence as per plan”
- Alteration, filed Apr 1, 2019, estimated cost $4K, described as “Application file to propose 8' temporary wood construction fence”
Property taxes
- Assessment
- $1,110,152
- 2026–27 tax
- $67,743
- Market value (city estimate)
- $2,466,999
- Taxable value
- $660,122
- Assessed land
- $199,351
- Assessed improvements
- $910,801
- Condo units with their own tax lots
- 10
Tax breaks
- Co-op and condo abatement, with no end date, a $14,370 credit this tax year.
Zoning
R6: floor area ratio 2.20 built, 2.43 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Sep 3, 2025: $569,000, Apt 201
- Aug 5, 2024: $860,000, Apt 101
- Feb 16, 2022: $550,000, Apt 401
- Jan 28, 2022: $565,000, Apt 301
- Dec 20, 2021: $930,000, Apt 102
- Dec 9, 2021: $590,000, Apt 303
- Nov 18, 2021: $999,000, Apt 402
- Nov 18, 2021: $570,000, Apt 403
- Nov 17, 2021: $718,000, Apt 101
- Nov 11, 2021: $530,000, Apt 201
The 10 most recent of 12 open-market sales since 2016, from the Department of Finance’s sales files.