# 666 Union Street, Brooklyn

Two-family · built c. 1901 · Block 955, Lot 31.

On Umarelli: https://umarelli.org/nyc/3009550031/666-union-street

More construction in Park Slope: https://umarelli.org/nyc/brooklyn/park-slope.md

Every lot on block 955: https://umarelli.org/nyc/brooklyn/955.md

## Building permits

- Alteration, filed Mar 16, 2020, estimated cost $25K, described as “Modification of plumbing fixtures on floors cellar, 1ST & 2ND as per plans filed herewith. No change in use, egress or occupancy.”

## Property taxes

- Assessment: $154,440
- 2026–27 tax: $6,977
- Market value (city estimate): $2,574,000
- Taxable value: $35,160
- Assessed land: $22,680
- Assessed improvements: $131,760

## Zoning

R6A: floor area ratio 1.00 built, 3.00 allowed by base zoning.

## 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