# 811 10th Avenue, Manhattan

Utility · Block 1082, Lot 25.

On Umarelli: https://umarelli.org/nyc/1010820025/811-10-avenue

More construction in Hell's Kitchen: https://umarelli.org/nyc/manhattan/hells-kitchen.md

Every lot on block 1082: https://umarelli.org/nyc/manhattan/1082.md

## Building permits

- Alteration, filed Oct 9, 2025, estimated cost $25K, described as “Install non-illuminated advertising sign (sign a) on wall structure filed under separate application number M01138269 (changeable copy)”
- Alteration, filed Oct 9, 2025, estimated cost $25K, described as “Erect wall structure for advertising signs filed under separate application number M01138250 & M01138286. No change in use, egress or occupancy.”
- Alteration, filed Oct 9, 2025, estimated cost $25K, described as “Install non-illuminated advertising sign (sign b) on wall structure filed under separate application number M01138269 (changeable copy)”
- Alteration, filed Oct 7, 2025, estimated cost $31K, described as “Work to include Concrete Mechanical Pad Extension”
- Alteration, filed Sep 29, 2025, estimated cost $750K, described as “Replacement of one (1) existing water-cooled chiller and valve replacement on the 2nd floor. Valve and basin heater replacement at cooling towers on the 4th floor setback.”
- Alteration, filed Jul 28, 2025, estimated cost $600K, described as “Installation of (5) new CRAH units.”
- Alteration, filed Feb 21, 2025, estimated cost $10K, described as “Cooler support dunnage for 15 LF”
- Alteration, filed Feb 19, 2025, estimated cost $600K, described as “Installation of six (6) in-row A/C units, one (1) outdoor adiabatic cooler, and associated piping. New BMS controls system.”
- Alteration, filed Aug 26, 2024, described as “Installation of temporary sidewalk shed as per plans. No change in use, egress or occupancy.”
- Alteration, filed Aug 14, 2024, estimated cost $15K, described as “Modify existing sprinkler piping to accommodate ductwork modifications”
- Alteration, filed Aug 7, 2024, estimated cost $600K, described as “Installation of new chilled water air handling equipment. New equipment to tied into the buildings existing chiller plant.”
- Alteration, filed Jul 23, 2024, estimated cost $125K, described as “Construction of new UPS Room, extend raised access floor, new doors, painting.”
- Alteration, filed Sep 28, 2023, estimated cost $47K, described as “Slab openings for electrical conduits to install electrical tap boxes and includes hanging of cable trays. Separate applications for associated general construction, plumbing, sprinkler and mechanical work are filed.”
- Alteration, filed Sep 25, 2023, estimated cost $383K, described as “Installation of on Computer Room AC unit, CRAH-1-7 as shown on drawings submitted herewith.”
- Alteration, filed Sep 25, 2023, estimated cost $401K, described as “Installation of three additional Computer Room A/C units, CRAH-1-8, CRAH-1-9 & CRAH-1-10”
- Alteration, filed Sep 25, 2023, estimated cost $120K, described as “General construction to install electrical tap boxes and includes interior partition modifications and wall and slab openings for electrical conduits. Separate applications for associated structural, plumbing, sprinkler and mechanical work…”
- Alteration, filed Sep 25, 2023, estimated cost $66K, described as “Roof drain work on third floor roof and sprinkler modifications on 1st & 3rd floors.”
- Alteration, filed Sep 25, 2023, estimated cost $47K, described as “Relocation and installation of transfer grills and Fire Smoke Dampers on 1st & 3rd floors.”
- Alteration, filed May 15, 2023, estimated cost $850K, described as “Modifying piping associated with two existing chiller plants to tie them together. No change to use, egress, or occupancy.”
- Alteration, filed May 11, 2023, estimated cost $350K, described as “Facade Repairs for entire building. No change to use, egress, or occupancy.”
- Alteration, filed Mar 20, 2023, estimated cost $4K, described as “Installation of temporary betamax hoist as per plans. No change in use, egress or occupancy.”
- Alteration, filed Mar 20, 2023, described as “Installation of temporary pipe scaffold as per plans. No change in use, egress or occupancy.”
- Alteration, filed Mar 2, 2023, estimated cost $1K, described as “Installation of 697 LF of temporary heavy duty sidewalk shed, as per plans submitted. No change in use, egress or occupancy.”
- Alteration, filed Feb 24, 2022, estimated cost $8K, described as “Modification of existing AT&T telecommunications site. No change to use, egress, or occupancy. All in compliance with TPPN 5.98.”
- Alteration, filed Jan 13, 2022, estimated cost $4.3M, described as “Replacement of three standby generators and associated louvers and sound attenuators as shown on drawings filed herewith.”

13 more, older permits are in this building’s full list on the map: https://umarelli.org/nyc/1010820025/811-10-avenue.

## Zoning

M1-5: floor area ratio 0.00 built, 5.00 allowed by base zoning.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

From New York City and Jersey City public records, refreshed within a day of each release. Sources: https://umarelli.org/sources. Methodology and corrections: https://umarelli.org/methodology
