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Factory, heavy manufacturing, fireproof
421 LONGFELLOW AVENUE
BRONX · BIN 2006915
💬 Discuss this project
1957Year Built
1Stories
F1Building Class
M3-1Zoning
17,500 sfGross Floor Area
1Units
0 Open ViolationsFDNY Report ↗
Factory, heavy manufacturing, fireproof · Owner of record: LONGFELLOW AVENUE PROPERTIES LLC · 47,500 sf lot · 0.37 FAR built · Flood zone X500
Locations of Work
ArchitectureStructuralMechanicalPlumbingFire Protection
Roof8p · 1 filing · 20 docs
Floor 210p · 1 filing · 20 docs
Floor 15p · 1 filing · 20 docs
1 job · most recent 10/30/2024
Air Conditioning Systems Heating Systems
FiledStatusContractorScopeMake / Model / Capacity
10/30/2024——Air Conditioning Systems, Heating Systems
Cooling
Mitsubishi Electric PUHY-EP96TNU-A 96,000 CFM · Vrf Outdoor ×8
Heating
Trane CSAA017 8,150 CFM · Rooftop Unit ×4
CSAA030 14,000 CFM · Rooftop Unit ×4
1 job · most recent 10/30/2024
Sprinkler System
FiledStatusContractorScope
10/30/2024——Sprinkler System
1 job · most recent 10/30/2024
Gas Storm Water/Sanitary
FiledStatusContractorScope
10/30/2024——Gas, Storm, Water/Sanitary
1 job · most recent 10/30/2024
FiledStatusContractorScope
10/30/2024——2 scope_items
Building Lifecycle
All (117)Filed (9)Objection (78)Special Inspection (30)
11/01/2024
Objection raised — Other
10/30/2024
Filed — ALT-CO - New Building with Existing Elements to Remain
Installation of new plumbing fixtures related to ALT-CO application X00882793-I1
X00882793-P2
10/30/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
10/30/2024
Special inspection requirement — Structural Stability – Alterations of existing buildings
10/30/2024
Special inspection requirement — Energy Code Compliance Inspections
10/30/2024
Special inspection requirement — Fire-Resistance Rated Construction
10/30/2024
Special inspection requirement — Fenestration and door U-factor and product ratings
10/30/2024
Special inspection requirement — Air barrier - visual inspection
10/30/2024
Special inspection requirement — Air barrier continuity plan testing
10/30/2024
Special inspection requirement — Maintenance information
10/30/2024
Special inspection requirement — Exterior lighting power
10/30/2024
Special inspection requirement — Fenestration areas
10/30/2024
Special inspection requirement — Insulation placement and R values
10/30/2024
Special inspection requirement — Fenestration air leakage
10/30/2024
Special inspection requirement — Protection of exposed foundation insulation
10/30/2024
Special inspection requirement — Interior lighting power
10/30/2024
Special inspection requirement — Metering
10/30/2024
Special inspection requirement — Air barrier — testing
10/30/2024
Special inspection requirement — Lighting controls
10/10/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
10/10/2024
Special inspection requirement — Structural Stability – Alterations of existing buildings
10/10/2024
Special inspection requirement — Energy Code Compliance Inspections
10/10/2024
Special inspection requirement — Fire-Resistance Rated Construction
10/10/2024
Special inspection requirement — Air barrier - visual inspection
10/10/2024
Special inspection requirement — Fenestration air leakage
10/10/2024
Special inspection requirement — Fenestration and door U-factor and product ratings
10/10/2024
Special inspection requirement — Exterior lighting power
10/10/2024
Special inspection requirement — Maintenance information
10/10/2024
Special inspection requirement — Protection of exposed foundation insulation
10/10/2024
Special inspection requirement — Metering
10/10/2024
Special inspection requirement — Air barrier continuity plan testing
10/10/2024
Special inspection requirement — Lighting controls
10/01/2024
Objection resolved — Addressed
09/30/2024
Objection raised — Other
09/24/2024
Filed — ALT-CO - New Building with Existing Elements to Remain
Installation of new plumbing fixtures related to ALT-CO application X00882793-I1
X00882793-P1
09/11/2024
Objection resolved — Addressed
08/27/2024
Objection raised — Other
08/23/2024
Objection resolved — Addressed
08/23/2024
Objection resolved — Addressed
08/22/2024
Objection resolved — Addressed
08/22/2024
Objection resolved — Addressed
08/05/2024
Objection resolved — Addressed
08/01/2024
Filed — ALT-CO - New Building with Existing Elements to Remain
Installation of new plumbing fixtures related to ALT-CO application X00882793-I1
X00882793-S3
07/08/2024
Objection resolved — Addressed
06/27/2024
Objection raised — Other
06/27/2024
Objection resolved — Addressed
06/18/2024
Objection resolved — Addressed
06/18/2024
Objection resolved — Addressed
06/18/2024
Objection resolved — Addressed
06/18/2024
Objection resolved — Addressed
06/18/2024
Objection resolved — Addressed
06/18/2024
Objection resolved — Addressed
06/13/2024
Objection resolved — Addressed
06/06/2024
Objection resolved — Addressed
06/06/2024
Objection resolved — Addressed
06/03/2024
Objection raised — Other
06/03/2024
Objection raised — Fire_Protection
06/03/2024
Objection raised — Scope
06/03/2024
Objection raised — Structural
06/03/2024
Objection raised — Structural
Latest 60 of 117 events.
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
GO NEW YORK TOURS INC1903/21/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
MELTZER/MANDL ARCHITECTS, P.C.310/30/2024
ROBERT ETTINGER, P.E, P.C.308/01/2024
BOHLER ENGINEERING NY PLLC306/08/2023
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
JM ZONING, LLC.1803/21/2026
Nothing on file for this building.
▾Special Inspection Requirements (DOB NOW) — 35
DateRequirementInspectorRole
10/30/2024Fire-Resistant Penetrations and Joints—special
10/30/2024Structural Stability – Alterations of existing buildings—special
10/30/2024Energy Code Compliance Inspections—progress
10/30/2024Fire-Resistance Rated Construction—progress
10/30/2024Fenestration and door U-factor and product ratings—energy_progress
10/30/2024Air barrier - visual inspection—energy_progress
10/30/2024Air barrier continuity plan testing—energy_progress
10/30/2024Maintenance information—energy_progress
10/30/2024Exterior lighting power—energy_progress
10/30/2024Fenestration areas—energy_progress
10/30/2024Insulation placement and R values—energy_progress
10/30/2024Fenestration air leakage—energy_progress
10/30/2024Protection of exposed foundation insulation—energy_progress
10/30/2024Interior lighting power—energy_progress
10/30/2024Metering—energy_progress
10/30/2024Air barrier — testing —energy_progress
10/30/2024Lighting controls—energy_progress
10/10/2024Fire-Resistant Penetrations and Joints—special
10/10/2024Structural Stability – Alterations of existing buildings—special
10/10/2024Energy Code Compliance Inspections—progress
10/10/2024Fire-Resistance Rated Construction—progress
10/10/2024Air barrier - visual inspection—energy_progress
10/10/2024Fenestration air leakage—energy_progress
10/10/2024Fenestration and door U-factor and product ratings—energy_progress
10/10/2024Exterior lighting power—energy_progress
Latest 25 of 35.
▾Documents — 13 on file (BIS + DOB NOW)
▸Plans & Drawings3
▸DOB NOWPlans/Sketch3
08/23/2026X00875517-I1Request digital key ↗
08/23/2026X00875586-I1Request digital key ↗
08/15/2026X00875588-I1Request digital key ↗
▸Zoning, Tax Lot & Property Records2
▸DOB NOWZoning Exhibit form (1-5)2
08/13/2026X00882793-P1Open ↗
08/13/2026X00882793-P2Open ↗
▸Seals & Professional Certifications4
▸DOB NOWDPL-1: Design Professional Seal & Signature3
08/23/2026X00875517-I1Open ↗
08/13/2026X00875586-I1Open ↗
08/13/2026X00875588-I1Open ↗
▸BISAPPLICANT OWNER SIGNATURE1
09/20/2024240356903Open ↗
▸Filing & Intake Forms1
▸BISEFILING JOB APPLICATION COVER SHEET1
09/20/2024240356903Open ↗
▸Other Documents3
▸DOB NOWSite Survey: Initial3
08/14/2026X00882793-I1Open ↗
08/13/2026X00882793-P1Open ↗
08/13/2026X00882793-P2Open ↗