# 47 Diamond Street, Brooklyn

Condominium · 9 units · built 2022 · Block 2684, Lot 7503.

On Umarelli: https://umarelli.org/nyc/3026847503/47-diamond-street

More construction in Greenpoint: https://umarelli.org/nyc/brooklyn/greenpoint.md

## Building permits

- Alteration, filed Jun 24, 2022, described as “Installation of temporary sidewalk shed as per plans. No change in use, egress or occupancy.”
- Alteration, filed Jun 24, 2022, described as “Installation of temporary pipe scaffold as per plans. No change in use, egress or occupancy.”
- Alteration, filed Apr 8, 2022, estimated cost $1K, described as “Installation of residential plumbing fixtures and related piping filed in conjunction with NB application B00603005”
- Alteration, filed Apr 7, 2022, estimated cost $1K, described as “Sprinklers filed in conjunction with NB# B00603005”
- Alteration, filed Dec 9, 2021, estimated cost $1K, described as “Structural design for three (3) story & penthouse, residential dwelling as per plans filed herewith”
- Alteration, filed Nov 26, 2021, estimated cost $1K, described as “Installation of conventional concrete foundation as per plans filed herewith.”
- Alteration, filed Nov 24, 2021, estimated cost $1K, described as “Soe filing as per plans filed herewith”
- Alteration, filed Oct 19, 2021, estimated cost $1K, described as “Temporary construction fence filed in conjunction with NB application # B00603005”

## Property taxes

- Assessment: $2,469,601
- 2026–27 tax: $129,176
- Market value (city estimate): $5,487,999
- Taxable value: $1,038,471
- Assessed land: $301,500
- Assessed improvements: $2,168,101
- Condo units with their own tax lots: 9

## Zoning

R6B: floor area ratio 2.47 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Apr 23, 2026: $2,950,000, Apt 3B
- Dec 22, 2025: $1,500,000, Apt 2C
- Dec 22, 2025: $2,150,000, Apt 3C
- Sep 11, 2024: $1,800,000, Apt 1C
- Feb 9, 2024: $2,275,000, Apt 1A
- Feb 6, 2024: $1,650,000, Apt 2B
- Jan 29, 2024: $1,629,200, Apt 2A
- Jan 23, 2024: $2,400,000, Apt 3B
- Jan 16, 2024: $2,500,000, Apt 3A
- Jan 4, 2024: $2,250,000, Apt 1B

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

## Flood zone

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

## In the news

[47 Diamond Street Tops Out in Greenpoint, Brooklyn](https://newyorkyimby.com/2023/02/47-diamond-street-tops-out-in-greenpoint-brooklyn.html), New York YIMBY, Feb 19, 2023.

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