359 Herkimer Street, Brooklyn
Four-family · built c. 1905 · Block 1863, Lot 45.
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Building permits
- Alteration, filed Apr 15, 2026, estimated cost $200, described as “Construction filed inconjunction for alt co #B01350287-I1”
- Major Renovation — Enlargement, filed Jan 23, 2026, estimated cost $1.4M, 7 units added, 4 stories, described as “Proposing a vertical and horizontal enlargement of existing three-story, basement, and cellar two-family building to a four-story, cellar, and penthouse nine-unit residential building.”
- Alteration, filed Jan 2, 2026, estimated cost $686K, described as “Proposing a vertical and horizontal enlargement of existing three-story, basement, and cellar two-family building to a four-story, cellar, and penthouse nine-unit residential building.”
Property taxes
- Assessment
- $441,900
- 2026–27 tax
- $9,436
- Market value (city estimate)
- $982,000
- Taxable value
- $75,859
- Assessed land
- $17,100
- Assessed improvements
- $424,800
Zoning
R6A: floor area ratio 1.80 built, 3.00 allowed by base zoning.
Recent sales
- Jul 8, 2026: $1,300,000, 3,600 sq ft ($361 per sq ft)
- Dec 23, 2021: $30,000
- Nov 13, 2019: $151,000
Open-market sales since 2016, from the Department of Finance’s sales files.