# 51 South 1st Street, Brooklyn

Condominium · built c. 1930 · Block 2390, Lot 7502.

On Umarelli: https://umarelli.org/nyc/3023907502/51-south-1-street

More construction in Williamsburg: https://umarelli.org/nyc/brooklyn/williamsburg.md

## Building permits

- Alteration, filed Nov 15, 2024, estimated cost $8K, described as “Installation of temporary roof protection at adjacent properties as per plans. No change in use, egress or occupancy. Temporary roof protection shall comply with chapter #33 of the NYC building code.”
- Alteration, filed Nov 7, 2024, estimated cost $37K, described as “Installation of medium duty pipe scaffolding and needle beam platform as per plans. No change in use occupancy or egress under this application. Pipe scaffold and needle beam platform shall comply with chapter 33 of the 2014 NYC building…”
- Alteration, filed Jul 30, 2024, estimated cost $25K, described as “Installation of temporary sidewalk shed as per plans. Sidewalk shed shall comply with chapter 33 of the 2022 NYC building code. No change in use, egress or occupancy under this application.”
- Major Renovation — Enlargement, filed Dec 28, 2023, estimated cost $3.4M, 8 units added, 6 stories, described as “Proposed alt-co/NB 6 story & mezzanine residential building with existing elements to remain, combing tax lots 35 & 36 as single zoning lot/ compensated zoning lot”

## Property taxes

- 2026–27 tax: $37,288
- Market value (city estimate): $1,648,002
- Taxable value: $299,763
- Condo units with their own tax lots: 8

## Zoning

M1-2/R6: floor area ratio 3.24 built, above the 2.43 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Apr 7, 2026: $2,999,000, Apt 1A
- Apr 3, 2026: $4,095,000, Apt 5A
- Mar 31, 2026: $2,195,000, Apt 2B
- Mar 30, 2026: $2,745,000, Apt 1B
- Mar 30, 2026: $1,475,000, Apt 2A
- Mar 27, 2026: $3,950,000, Apt 3A
- Mar 13, 2026: $3,999,999, Apt 4A

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

[51 South 1st Street’s Foundations Take Shape in Williamsburg, Brooklyn](https://newyorkyimby.com/2024/10/51-south-1st-streets-foundations-take-shape-in-williamsburg-brooklyn.html), New York YIMBY, Oct 1, 2024.

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