794 Hart Street, Brooklyn
Condominium · 49 units · built c. 1899 · Block 3235, Lot 7503.
Building permits
- Alteration, filed Jan 11, 2026, estimated cost $155K, described as “Filing herewith plans and application for removal of existing non-bearing partitions to combine retail spaces at #322 and #324 knickerbocker ave. No change in use, egress or occupancy.”
- Alteration, filed Oct 24, 2024, estimated cost $90K, described as “Propose interior renovation @ partial 4th floor Apt#4M with minor partition and finish work as per plan. No change in use, egress, or occupancy.”
- Alteration, filed May 10, 2022, estimated cost $1K, described as “Propose to install sign. No change in use, egress, or occupancy.”
- Alteration, filed May 10, 2022, estimated cost $1K, described as “Propose to install sign. No change in use, egress, or occupancy.”
- Alteration, filed May 18, 2021, estimated cost $1K, described as “Install sign. No change in use, egress, or occupancy.”
- Alteration, filed May 17, 2021, estimated cost $1K, described as “Install sign. No change in use, egress, or occupancy.”
- Alteration, filed Mar 25, 2021, estimated cost $12K, described as “Respectfully requesting to file this application for the installation of new steel lintel, new CMU & brick veneer. No change in use, egress or occupancy.”
- Alteration, filed Mar 19, 2021, estimated cost $10K, described as “Proposing Construction Fence fronting (2) streets - .Hart Street and Knickerbocker Avenue for New Tenant Space for Health Treatment Facility on corner for New Storefront work, HVAC louvers and door change.”
- Alteration, filed Mar 19, 2021, estimated cost $642K, described as “Removal of storefront, door and frame, exterior canopy and overhead security grill, remove interior partitions. Proposed work includes new storefront, interior partitions, casework & finishes for proposed Oak Street treatment center. All…”
- Alteration, filed Mar 19, 2021, estimated cost $233K, described as “Proposing removal of existing AHU and (4) Outdoor condensers & assoc apparatus, installation of new exhaust for Restroom, ductwork, (5) new split system HVAC Systems Units & assoc. apparatus, and Exterior Louvers. All Work as per plans.”
- Alteration, filed Mar 18, 2021, estimated cost $87K, described as “Proposing Sprinkler work to new tenant space for Oak Street Health Treatment Facility work to include (79) new sprinkler heads with asssociated piping, removal of 80 sprinkler head and existing piping.”
- Alteration, filed Mar 18, 2021, estimated cost $172K, described as “Remove fixtures and piping in cellar & first floor,Install new (16) non-residential sinks, (4) toilets (4) lavatories, (1) Hot Water Heater, (1) Dishwasher, (1) secondary RPZ, (2) water fountains, (8) drains”
- Alteration, filed Feb 24, 2021, estimated cost $20K, described as “Application filed to install new interior non-loadbearing demising wall. No change in existing bulk, use or egress.”
- Alteration, filed Aug 6, 2019, estimated cost $3K, described as “To replace existing hot water heaters / to relocate existing one dryer./ install new water storage tank. No change in use, egress or occupancy”
Property taxes
- Assessment
- $5,846,654
- 2026–27 tax
- $515,912
- Market value (city estimate)
- $12,992,549
- Taxable value
- $4,246,603
- Assessed land
- $764,105
- Assessed improvements
- $5,082,549
- Condo units with their own tax lots
- 56
Tax breaks
- ICAP/ICIP exemption, through Jun 30, 2034, about $98,587 a year below the full tax.
Zoning
R6: floor area ratio 2.38 built, 2.43 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jan 22, 2026: $810,000, Apt 3D
- Dec 16, 2025: $750,000, Apt 2A
- Oct 3, 2025: $56,000, Apt 2A
- Jun 27, 2025: $695,000, Apt 2C
- Oct 5, 2023: $999,000, Apt 4M
- Jul 25, 2023: $750,000, Apt 2D
- May 24, 2023: $782,500, Apt 3F
- Aug 22, 2022: $985,000, Apt 3M
- Jul 20, 2022: $1,225,000, Apt 4A
- Jul 12, 2022: $725,000, Apt 2F
The 10 most recent of 35 open-market sales since 2016, from the Department of Finance’s sales files.
Board and land use applications
- Bushwick Neighborhood Plan (City Planning 2019K0199): Completed. This is an application for a 300-block section of Bushwick, Brooklyn, Community District 4 to create a thriving and inclusive Bushwick through preservation and creation of affordable housing, targeted investments in neighborhood…