# 5909 20th Avenue, Brooklyn

Two-family · built c. 1925 · Block 5514, Lot 6.

On Umarelli: https://umarelli.org/nyc/3055140006/5909-20-avenue

More construction in Borough Park: https://umarelli.org/nyc/brooklyn/borough-park.md

Every lot on block 5514: https://umarelli.org/nyc/brooklyn/5514.md

## Building permits

- Alteration, filed Dec 5, 2023, estimated cost $1.1M, described as “Horizontal and vertical enlargement to existing 2 1/2 story and cellar 2-family residence, covert to 3 story and cellar 1-family residence, to remediate stop work order #080923C23-02325. partitions as per plans.”
- Alteration, filed Aug 4, 2023, estimated cost $5K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 lbs per square feet. Sidewalk shed shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed Jul 20, 2023, estimated cost $3K, described as “8' construction fence”

## Property taxes

- Assessment: $97,620
- 2026–27 tax: $10,096
- Market value (city estimate): $1,627,000
- Taxable value: $50,878
- Assessed land: $22,440
- Assessed improvements: $75,180

## Zoning

R5: floor area ratio 0.67 built, 1.50 allowed by base zoning.

## Recent sales

- Aug 25, 2022: $999,000

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

## Flood zone

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

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