# 5621 20th Avenue, Brooklyn

Industrial · built c. 1931 · Block 5495, Lot 337.

On Umarelli: https://umarelli.org/nyc/3054950337/5621-20-avenue

More construction in Ocean Parkway: https://umarelli.org/nyc/brooklyn/ocean-parkway.md

Every lot on block 5495: https://umarelli.org/nyc/brooklyn/5495.md

## Building permits

- Alteration, filed Jul 8, 2020, estimated cost $5K, described as “Application filed herewith to obtain new certificate of compliance (eup) for roof-top condenser HVAC unit replacement, HVAC unit serving third floor commercial space, no new ducting involved.”
- Alteration, filed Jun 2, 2020, estimated cost $15K, described as “AT&T - Replacement of existing antennas & RRH units with installation of RRH units. Retrofit of existing cabinet in the existing equipment room in the basement. All work in compliance with TPPN 5/98. No change to occupancy, use or egress.”
- Alteration, filed Dec 13, 2019, estimated cost $12K, described as “Mechanical filing herewith, in conjunction to alt-ii application #321987999”
- Alteration, filed Mar 9, 2018, estimated cost $21K, described as “AT&T WIRELESS. Replacement of existing telecommunications antennas with replacement/installation of RRH units on roof. Retrofit of cabinets in the existing equipment room in cellar. All work in compliance with TPPN 5/98. No change to…”

## Property taxes

- Assessment: $1,847,250
- 2026–27 tax: $128,233
- Market value (city estimate): $4,105,000
- Taxable value: $1,581,660
- Assessed land: $82,350
- Assessed improvements: $1,764,900

## Tax breaks

- ICAP abatement, through Jun 30, 2046, a $43,346 credit this tax year.

## Zoning

R5: floor area ratio 3.23 built, above the 1.50 base zoning allows, which bonuses, transfers or older rules can permit.

## 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