# 121 Mac Dougal Street, Brooklyn

Two-family · built c. 1901 · Block 1525, Lot 43.

On Umarelli: https://umarelli.org/nyc/3015250043/121-mac-dougal-street

More construction in Ocean Hill: https://umarelli.org/nyc/brooklyn/ocean-hill.md

## Building permits

- Alteration, filed Oct 20, 2023, estimated cost $18K, described as “Herewith filing for sprinkler systems with booster pump and jockey pump, for proposed 4-story, 7-unit residential building. Filed in conjunction with alteration application #B00895688.”
- Alteration, filed Oct 20, 2023, estimated cost $121K, described as “Herewith filing for plumbing systems for proposed 4-story, 7-unit residential building. Filed in conjunction with alteration application #B00895688.”
- Alteration, filed Sep 18, 2023, estimated cost $150K, described as “Herewith filing for mechanical systems for proposed 4-story, 7-unit residential building. Filed in conjunction with alteration application #B00895688.”
- Major Renovation — Enlargement, filed Jun 27, 2023, estimated cost $984K, 5 units added, 4 stories, described as “Proposing vertcal enlargement to an existing 2 story residential bulding.”

## Property taxes

- Assessment: $64,560
- 2026–27 tax: $1,996
- Market value (city estimate): $1,076,000
- Taxable value: $10,057
- Assessed land: $19,800
- Assessed improvements: $44,760

## Zoning

R6B: floor area ratio 0.60 built, 2.00 allowed by base zoning.

## Recent sales

- Jul 27, 2026: $825,000, 1,500 sq ft ($550 per sq ft)
- Sep 20, 2022: $750,000
- Jul 4, 2021: $10,000

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