# 740 3rd Avenue, Brooklyn

Industrial · built 2022 · Block 644, Lot 50.

On Umarelli: https://umarelli.org/nyc/3006440050/740-3-avenue

More construction in Sunset Park: https://umarelli.org/nyc/brooklyn/sunset-park.md

Every lot on block 644: https://umarelli.org/nyc/brooklyn/644.md

## Building permits

- Alteration, filed Jan 12, 2026, estimated cost $1K, described as “Installation of steel framed decorative concrete plant enclosure initially approved under NB 321184534”
- Alteration, filed Sep 18, 2023, estimated cost $62K, described as “Installation of reinforced cast in place concrete aggregate barrier wall and foundation at existing concrete plant. Filed in conjunction with NB 321184534.”
- Alteration, filed Jan 5, 2023, described as “Installation of temporary heavy duty sidewalk shed in conjunction with new building application # 321184534 per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this…”

## Property taxes

- Assessment: $1,561,050
- Market value (city estimate): $3,469,000
- Taxable value: $0
- Assessed land: $801,000
- Assessed improvements: $760,050

## Zoning

M3-1: floor area ratio 0.24 built, 2.00 allowed by base zoning.

## Flood zone

Current FEMA flood map: zone X, moderate risk: a 0.2% chance of flooding each year. FEMA’s preliminary map: zone AE, high risk: a 1% chance of flooding each year, base flood elevation 12 ft (NAVD88).

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