New York City, New York building permit

M01389310-S1

Permit Issued

424 MADISON AVENUE MANHATTAN — all permits at this address

MS for Install new 4th-floor HVAC system, including a condenser in the mechanical enclosure; three air handlers with ductwork and refrigerant piping; one ERV; one infrared heater; one duct heater for fresh air; and two bathroom exhaust fans.

Status date2026-08-03
JurisdictionNew York City, New York
SourceNYC Open Data (Department of Buildings)
Data freshnessOfficial NYC open data, updated daily per NYC DOB
View official record at NYC Department of Buildings (DOB NOW / BIS)

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