123 North 4th Street, Brooklyn
Two-family with store · built c. 1930 · Block 2343, Lot 25.
Building permits
- Alteration, filed Aug 20, 2026, estimated cost $1K, described as “Proposed installation of pipe scaffold for remedial repairs as per plans. No change in use occupancy or egress under this application.”
- Alteration, filed Aug 20, 2026, estimated cost $1K, described as “Proposed installation of heavy duty sidewalk shed for remedial repairs as per plans. No change in use occupancy or egress under this application. Live load 300 per square feet. Sidewalk shed shall comply with chapter # 33 of the 2022 code.”
- Alteration, filed Aug 28, 2025, estimated cost $1K, described as “Proposed installation of heavy duty sidewalk shed for remedial repairs as per plans. No change in use occupancy or egress under this application. Live load 300 per square feet. Sidewalk shed shall comply with chapter # 33 of the 2022 code.”
- Alteration, filed Aug 28, 2025, estimated cost $1K, described as “Proposed installation of pipe scaffold for remedial repairs as per plans. No change in use occupancy or egress under this application.”
- Alteration, filed Dec 23, 2022, estimated cost $6K, described as “Proposing plumbing work to an existing 3 story building and the proposed additional floor.”
- Alteration, filed Sep 20, 2022, estimated cost $1K, described as “Installation of temporary construction fence.”
- Alteration, filed Apr 14, 2022, estimated cost $120K, described as “Soe in conjunction with alt 1 application #B00683331-I1”
- Major Renovation — Multi-Family, filed Mar 17, 2022, estimated cost $905K, 3 units in all, 4 stories, described as “Proposed vertical enlargement to add one additional floor to an existing 3 story building.”
- Alteration, filed Mar 16, 2022, estimated cost $16K, described as “Installation of sprinkler system as per NFPA13R-2007(appx.q)DOB# alt 1 B00683331”
- Alteration, filed Dec 8, 2020, estimated cost $5K, described as “Installation of pipe scaffold at 123 north 4TH street, brooklyn as indicated on plans. There will be no change in the use, egress, or occupancy under this application.”
- Alteration, filed Dec 8, 2020, estimated cost $5K, described as “Installation of new sidewalk shed at 123 north 4TH street, brooklyn as indicated on plans. There will be no change in the use, egress, or occupancy under this application”
- Alteration, filed Jul 28, 2020, estimated cost $2K, described as “Existing 3 story brick mixed use building construction fence for proposed work at site”
- Alteration, filed Jul 23, 2020, estimated cost $20K, described as “Structural work type filed in conjunction with alteration 1 application #B00683331”
Property taxes
- Assessment
- $74,820
- 2026–27 tax
- $5,705
- Market value (city estimate)
- $1,247,000
- Taxable value
- $28,752
- Assessed land
- $15,000
- Assessed improvements
- $59,820
Zoning
R6B: floor area ratio 1.77 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jan 23, 2019: $2,665,000
Open-market sales since 2016, from the Department of Finance’s sales files.