236 Greenpoint Avenue, Brooklyn
Industrial · built c. 1931 · Block 2578, Lot 1.
Building permits
- Alteration, filed Dec 23, 2025, estimated cost $38K, described as “Gas piping and installation of three pieces of gas fired equipment”
- Alteration, filed Jul 27, 2025, estimated cost $370K, described as “Herewith filing for modifications of existing mechanical systems, no change to use, occupancy ,or egress under this application.”
- Alteration, filed Jul 25, 2025, estimated cost $5K, described as “Herewith filing for modifications to existing plumbing system as per plans. No change to use, occupancy, or egress.”
- Alteration, filed Jul 23, 2025, estimated cost $60K, described as “Herewith filing for structural modifications as per plans. No change to use occuoancy or egress.”
- Alteration, filed Dec 2, 2024, estimated cost $4K, described as “Installation of a temporarily heavy-duty sidewalk shed per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Dec 2, 2024, estimated cost $9K, described as “Installation of a temporarily supported scaffold per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Sep 6, 2023, estimated cost $5K, described as “Installation of 6 gas fired unit heaters -3 on 1st fl and 3 on 3rd fl and removal of 2 gas fired commercial boilers on 1st & 3rd Floors, connected to existing gas service and meter with new gas piping. No change in use, occupancy or egress.”
- Alteration, filed Mar 27, 2023, estimated cost $25K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 lbs per square feet. Sidewalk shed shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed Jan 31, 2022, estimated cost $25K, described as “Decommission of existing Sprint/Clearwire site. Remove antennas and equipment from the roof and equipment room in the basement. Initial installation approved under applications # 300981542 and 310061544. No change in use, egress, or…”
- Alteration, filed Apr 2, 2021, estimated cost $17K, described as “Carrier: T-Mobile. Modification of existing antenna site. Install (3) additional antennas (1 per sector). Replace (3) existing antennas & replace (3) existing RRUs (1 per sector). Relocate (1) existing antenna sector to a new parapet wall.…”
- Alteration, filed Feb 3, 2021, estimated cost $8K, described as “AT&T - Replacement of existing antennas and RRH units on the roof. Replacement of existing cabinet in the existing equipment platform on the roof. All work in compliance with TPPN 5/98. No change to occupancy, use or egress.”
- Alteration, filed Nov 12, 2019, estimated cost $15K, described as “Minor interior renovation in exist. manufacturing building.”
- Alteration, filed Apr 24, 2019, estimated cost $9K, described as “AT&T - Replacement of existing telecommunications antennas and RRH units on roof. Retrofit of existing cabinets on existing equipment platform on roof. All work in compliance with TPPN 5/98. No change to occupancy, use, or egress.”
- Alteration, filed Feb 1, 2019, estimated cost $13K, described as “AT&T - Removal, relocation and retrofitting of existing telecommunication equipment cabinets on the equipment platform on the roof. All work is in compliance with TPPN 5/98. No change in use, egress or occupancy.”
- Alteration, filed Nov 12, 2018, estimated cost $20K, described as “Seven (7) existing gas fired unit heaters on third (3) floor connected to existing gas service, existing OSP gas meter on ground outside building with existing gas riser from outside space to third (3) floor and new gas piping on 3rd…”
- Alteration, filed Oct 26, 2018, described as “Installation of heavy duty sidewalk shed as per plans. No change in use, egress or occupancy.”
- Alteration, filed Feb 27, 2018, estimated cost $8K, described as “Replacement of existing telecommunications antennas and RRH units on roof. All work in compliance with TPPN 5/98. No change to occupancy, use, or egress.”
- Alteration, filed Jul 10, 2017, estimated cost $27K, described as “Installation of ten (10) gas fired unit heaters on sixth (6) floor connected to existing service and gas piping with new gas meter on ground outside of building with existing gas riser from outside space to sixth floor. Fixtures: 1- new…”
- Alteration, filed Jul 5, 2017, estimated cost $10K, described as “Scope of Work consists of installation of four new gas fired unit heaters connected to two existing service with 1 existing gas meter, 1 new gas meter and new gas piping. No change in use, egress or occupancy. PW1b (Sch B): Fixtures: First…”
Property taxes
- Assessment
- $17,336,700
- 2026–27 tax
- $1,870,093
- Market value (city estimate)
- $38,526,000
- Taxable value
- $17,239,060
- Assessed land
- $1,348,200
- Assessed improvements
- $15,988,500
Zoning
M1-1: floor area ratio 2.37 built, above the 1.00 base zoning allows, which bonuses, transfers or older rules can permit.
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 10 ft (NAVD88).