233 Conover Street, Brooklyn
Other · built 1987 · Block 603, Lot 1.
Building permits
- New Building, filed Mar 30, 2026, 1 story, described as “Proposed new building for Data Center Hub.”
- Alteration, filed Aug 12, 2026, estimated cost $545K, described as “Install HVAC units in conjunction of NB B01128862.”
- Alteration, filed Jul 31, 2026, estimated cost $18K, described as “Propose to install plumbing fixtures and associate piping in conjunction with NB# B01128862.”
- Alteration, filed Apr 8, 2026, estimated cost $80K, described as “Proposed installation of a new emergency generator on the site, as per the plan. No changes to use, occupancy, or egress.”
- Alteration, filed Mar 26, 2025, estimated cost $370K, described as “Proposed foundation in conjunction with new building B01128862-I1 as per plans.”
- Alteration, filed Jan 13, 2025, estimated cost $371K, described as “Proposed Structural work in conjunction with NB # B01128862.”
- Alteration, filed Jan 7, 2025, estimated cost $121K, described as “Proposed Civil work for the site, in conjunction with NB all as per plan. No change of use, egress or occupancy.”
- Alteration, filed Oct 22, 2024, estimated cost $253K, described as “Installation of helical piles in conjunction with new building B01128862-I1 as per plans”
- Alteration, filed Mar 6, 2024, estimated cost $1K, described as “Temporary construction fence during demolition”
- Alteration, filed Mar 6, 2024, estimated cost $76K, described as “Removal of 1 story communication equipment closure filed under DOB job number 301803840. No change in occupancy, use or egress.”
Property taxes
- Assessment
- $173,700
- 2026–27 tax
- $17,779
- Market value (city estimate)
- $386,000
- Taxable value
- $163,890
- Assessed land
- $115,650
- Assessed improvements
- $58,050
Zoning
M1-1/R5: floor area ratio 0.20 built, 1.50 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, moderate risk: a 0.2% chance of flooding each year. FEMA’s preliminary map: zone AE, high risk: a 1% chance of flooding each year, base flood elevation 11 ft (NAVD88).
Board and land use applications
- Red Hook Coastal Resiliency (City Planning 2021K0360): City map change, City property acquisition, Completed, filed Jul 20, 2023, decided Jun 20, 2024. The Department of Design and Construction, Department of Transportation, Department of Citywide Administrative Services, and Department of Parks and Recreation are seeking City Map amendments to regrade and elevate several streets and map…