# 12 Bay 35th Street, Brooklyn

Single family · built c. 1925 · Block 6862, Lot 48.

On Umarelli: https://umarelli.org/nyc/3068620048/12-bay-35-street

More construction in Gravesend: https://umarelli.org/nyc/brooklyn/gravesend.md

## Building permits

- Alteration, filed Sep 8, 2026, estimated cost $50K, described as “Proposed interior renovation on cellar, 1ST thru 2ND floor. Ceiling, flooring, partition works as per plan. No change in use, bulk, egress or occupancy.”
- Major Renovation — Enlargement, filed May 17, 2026, estimated cost $2.1M, 5 units added, 4 stories, described as “Proposed vertical and horizontal enlargement of an existing 2-story building to 4-story six-family mixed-use building as per plan. Obtain new certificate of occupancy.”
- Alteration, filed Feb 3, 2026, estimated cost $50K, described as “Submit temporary construction fence at open space, no change in use, egress or occupancy.”
- Demolition, filed Feb 3, 2026, estimated cost $50K, described as “Full demolition one (1) story garage.”

## Property taxes

- Assessment: $81,840
- 2026–27 tax: $8,497
- Market value (city estimate): $1,364,000
- Taxable value: $42,823
- Assessed land: $14,100
- Assessed improvements: $67,740

## Zoning

R5: floor area ratio 0.63 built, 1.50 allowed by base zoning.

## Recent sales

- Jan 28, 2026: $1,280,000, 1,704 sq ft ($751 per sq ft)
- Jun 25, 2019: $1,080,000

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

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard. FEMA’s preliminary map: zone X, moderate risk: a 0.2% chance of flooding each year.

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