# 42 Douglass Street, Brooklyn

Single family · built c. 1920 · Block 414, Lot 27.

On Umarelli: https://umarelli.org/nyc/3004140027/42-douglass-street

More construction in Carroll Gardens: https://umarelli.org/nyc/brooklyn/carroll-gardens.md

## Building permits

- Alteration, filed Oct 11, 2024, estimated cost $10K, described as “Submit temporary construction fence work at open space in conjunction with job #: B00968488-I1. No change in use, egress or occupancy.”
- Alteration, filed Sep 4, 2024, estimated cost $9K, described as “Installation of 300PSF sidewalk shed and pipe scaffolding as per plans. All equipment shall comply with ch #33 of the NYC code 2022. No change in use, occupancy or egress under this application.”
- Major Renovation — Residential, filed Nov 29, 2023, estimated cost $1.2M, 1 unit in all, 4 stories, described as “Proposed horizontal and vertical enlargement of an existing 3-story with basement & cellar 3-family building to a 4-story with cellar one-family building. General construction work as per plan. Obtain new certificate of occupancy.”

## Property taxes

- Assessment: $73,500
- 2026–27 tax: $14,585
- Market value (city estimate): $1,225,000
- Taxable value: $73,500
- Assessed land: $46,320
- Assessed improvements: $27,180

## Zoning

R6B: floor area ratio 2.01 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Jul 26, 2023: $4,100,000

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

## Flood zone

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

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