291 Willoughby Avenue, Brooklyn
Two-family · built 2024 · Block 1911, Lot 45.
Building permits
- New Building — Multi-Family, filed Oct 29, 2025, 3 units, 4 stories, described as “(dev hub consultation was done on 10/16/2023 please assign to dev hub, please assign to same examiner who reviewed job B01230391-I1 as its same zoning lot, same owner & applicant,) PROPOSING NEW 4 STORY RESIDENTIAL BUILDING.”
- New Building — Residential, filed Dec 21, 2023, 2 units, 4 stories, described as “Proposing new 4 story & cellar residential building”
- Alteration, filed Nov 6, 2024, described as “Installation of temporary pipe scaffold as per plans. No change in use, egress or occupancy.”
- Alteration, filed Nov 6, 2024, described as “Installation of temporary sidewalk shed as per plans. No change in use, egress or occupancy.”
- Alteration, filed Dec 12, 2023, described as “Installation of temporary pipe scaffold as per plans. No change in use, egress or occupancy.”
- Alteration, filed Oct 5, 2023, described as “Installation of temporary sidewalk shed as per plans. No change in use, egress or occupancy.”
- Alteration, filed Sep 12, 2023, estimated cost $160, described as “Proposed construction fence. No change to use, egress or occupancy under this application.”
- Demolition, filed Aug 15, 2023, estimated cost $88K, described as “Full demolition to a one story building”
Property taxes
- Assessment
- $33,120
- 2026–27 tax
- $6,572
- Market value (city estimate)
- $552,000
- Taxable value
- $33,120
- Assessed land
- $14,100
- Assessed improvements
- $19,020
Zoning
R6B: floor area ratio 1.60 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Nov 30, 2023: $9,250,000
Open-market sales since 2016, from the Department of Finance’s sales files.