Permit · X01358989-S1NYC DOB NOWHVAC
257 Alexander Avenue
Bronx · NY · 10454
Issued
Friday, April 24, 2026
Filed value
$657,000
Contractor
Sienia Construction IncCounty
Bronx County
Status
issued
Bronx · NY · 10454
HVAC VRF Heat pump system and ventilation system installation at cellar through 4th floor occupied areas. No change in use, egress & occupancy with this application.
2 other permits at 257 Alexander Avenue. Electrical, plumbing and HVAC on one property often share a GC, so follow the paper trail.
Mechanical modifications to include hvac replacement and replacement of associated ductwork. see additional subsequent filings for boiler and plumbing scope. no change in use, egre…