# 423 3rd Street, Brooklyn

Condominium · 4 units · built c. 1920 · Block 975, Lot 7505.

On Umarelli: https://umarelli.org/nyc/3009757505/423-3-street

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

Every lot on block 975: https://umarelli.org/nyc/brooklyn/975.md

## Building permits

- Alteration, filed Oct 5, 2018, 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: $1,275,302
- 2026–27 tax: $22,100
- Market value (city estimate): $2,834,000
- Taxable value: $177,663
- Assessed land: $263,251
- Assessed improvements: $1,012,051
- Condo units with their own tax lots: 4

## Zoning

R6B: floor area ratio 3.06 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Nov 24, 2020: $2,118,000, Apt 3
- Oct 16, 2020: $1,975,000, Apt 2
- Sep 18, 2020: $2,500,000, Apt 1
- Sep 1, 2020: $2,175,000, Apt 4

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