426 8th Street, Brooklyn
Two-family · built c. 1889 · Block 1090, Lot 9.
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.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
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.
Landmarks
Part of Park Slope Historic District Extension (Historic District). 4 Landmarks Preservation Commission permits are on file.