# 426 8th Street, Brooklyn

Two-family · built c. 1889 · Block 1090, Lot 9.

On Umarelli: https://umarelli.org/nyc/3010900009/426-8-street

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

Every lot on block 1090: https://umarelli.org/nyc/brooklyn/1090.md

## Building permits

- Alteration, filed Jun 25, 2021, estimated cost $52K, described as “Propose plumbing work of existing two family house filed in conjunction with DOB NOW GC job #B00459750-I1 & Alt I job #321600004 for unit configuration above one unit at basement level.”
- Alteration, filed May 15, 2021, estimated cost $45K, described as “Install new automatic wet sprinkler system including new combined water service.”
- Alteration, filed Apr 7, 2021, estimated cost $450K, described as “Proposed alteration of existing two family house. Proposed unit configuration as shown on plan (triplex unit) above one unit at basement level filed in conjunction with Alt I job #321600004.”
- Alteration, filed Mar 23, 2021, estimated cost $57K, described as “Propose structural scope of work filed in conjunction with Alt1 # 321600004 and DOB NOW GC # B00459750.”

## Property taxes

- Assessment: $126,060
- 2026–27 tax: $11,227
- Market value (city estimate): $2,101,000
- Taxable value: $56,580
- Assessed land: $12,000
- Assessed improvements: $114,060

## Zoning

R6B: floor area ratio 1.35 built, 2.00 allowed by base zoning.

## Recent sales

- Jul 9, 2026: $6,200,000, 2,700 sq ft ($2,296 per sq ft)

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

## Flood zone

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

## Landmarks

Part of Park Slope Historic District Extension (Historic District). 4 Landmarks Preservation Commission permits are on file.

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