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Contractor
IRIDIUM CONSTRUCTION CORP
General Contractor
BROOKLYN · 3
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2 buildings
1
Total Filings
3
Projects on File
1
Buildings Worked
0
Projects w/ Open Permits
General Contractor
Primary Trade
Activity
Projects by first filing month3 projects all-time
0112May '24 · 1Feb '25 · 1May '25 · 1May '24Jul '24Sep '24Nov '24Jan '25Mar '25May '25
bars = month · line = 3-mo average
Portfolio status
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Signed off133%
Other status267%
By project type
Alteration1
Most active buildings
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299 BUFFALO AVENUEBROOKLYN · latest 11/25/2025
2 projects
2536 WEST STREETBROOKLYN · latest 10/01/2025
1 projects
Key relationships
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Design firms
1 projects
Most recent projects
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ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
321631454BIS299 BUFFALO AVENUE
BROOKLYN
—ISSUED02/14/202511/25/2025—EQ, PL
321630749BIS2536 WEST STREET
BROOKLYN
—ISSUED05/28/202410/01/2025—EQ, PL
B01230668 ↗299 BUFFALO AVENUE
BROOKLYN
AlterationSigned-off05/27/202505/30/2025
Design DAL H CHUN ENGINEER PC
SUPPORT OF EXCAVATION FILED IN CONJUNCTION WITH NB APPLICATION 321631454. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
Counts cover all 3 projects (1 DOB NOW + 2 legacy BIS). Dated by first filing; BIS projects by first permit issuance.
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
DAL H CHUN ENGINEER PC105/27/2025
1 DOB NOW project + 2 legacy BIS projects, anchored the same way as Buildings Worked. Status is the project's permit state today: open = at least one permit currently issued. BIS projects show their raw permit status and are not counted as open.
All 3Signed off 1Other status 2
3 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
321631454BIS299 BUFFALO AVENUE
BROOKLYN
—ISSUED02/14/202511/25/2025—EQ, PL
321630749BIS2536 WEST STREET
BROOKLYN
—ISSUED05/28/202410/01/2025—EQ, PL
B01230668 ↗299 BUFFALO AVENUE
BROOKLYN
AlterationSigned-off05/27/202505/30/2025
Design DAL H CHUN ENGINEER PC
SUPPORT OF EXCAVATION FILED IN CONJUNCTION WITH NB APPLICATION 321631454. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
299 BUFFALO AVENUE ↗107/08/2026
▾Documents — 158 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/21/2026B01230668-I1 · 299 BUFFALO AVENUERequest digital key ↗
▸Applications & Permits59
▸BISPLAN / WORK APPROVAL APPLICATION42
01/07/2025321631454 · 299 BUFFALO AVENUEOpen ↗
11/13/2024321630749 · 2536 WEST STREETOpen ↗
10/18/2024321630749 · 2536 WEST STREETOpen ↗
Showing 3 of 42 on file for this type
▸BISWORK PERMIT APPLICATION15
11/26/2025321631454 · 299 BUFFALO AVENUEOpen ↗
09/24/2025321631454 · 299 BUFFALO AVENUEOpen ↗
09/24/2025321630749 · 2536 WEST STREETOpen ↗
Showing 3 of 15 on file for this type
▸BISPLAN - WORK & PERMITS - SUPPPORTING DOCUMENTATION2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸Zoning, Tax Lot & Property Records2
▸BISZONING DIAGRAM2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸Seals & Professional Certifications9
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION8
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 8 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/21/2026B01230668-I1 · 299 BUFFALO AVENUEOpen ↗
▸Trade Schedules & Equipment11
▸BISSCHEDULE B - PLUMBING4
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 4 on file for this type
▸BISSCHEDULE C - HEATING & COMBUSTION EQUIPMENT2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISHVAC & SERVICE WATER HEATING EQUIPMENT1
02/06/2025321631454 · 299 BUFFALO AVENUEOpen ↗
▸BISHVAC & SERVICE WATER HEATING SYSTEM CONTROLS1
02/06/2025321631454 · 299 BUFFALO AVENUEOpen ↗
▸BISBOILERS - SUPPORTING DOCUMENTATION1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Energy Compliance15
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY9
06/30/2025321630749 · 2536 WEST STREETOpen ↗
10/25/2024321630749 · 2536 WEST STREETOpen ↗
Showing 2 of 9 on file for this type
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS6
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 6 on file for this type
▸Inspections & Test Reports17
▸BISTECHNICAL REPORT: RESPONSIBILITY6
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 6 on file for this type
▸BISTR2: CONCRETE FIELD TESTING TECHNICAL REPORT2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISTECHNICAL REPORT: CONCRETE/TEST CYLINDER2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISTR3: CONCRETE DESIGN MIX TECHNICAL REPORT2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISTECHNICAL REPORT: SOIL INSPECTION2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISTECHNICAL REPORT: CONCRETE DESIGN MIX1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISDEMOLITION (DM) JOB SIGNOFF1
02/06/2025321631454 · 299 BUFFALO AVENUEOpen ↗
▸BISBORINGS / TEST PITS (TR-4) 27-7201
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Approvals, Objections & Sign-offs10
▸BISLETTERS - SUPPORTING DOCUMENTATION6
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 6 on file for this type
▸BISSCHEDULE A - OCCUPANCY / USE2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸DOB NOWDesign Commission Approval City Owned (Exterior Work)1
08/13/2026B01230668-I1 · 299 BUFFALO AVENUEOpen ↗
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter1
08/13/2026B01230668-I1 · 299 BUFFALO AVENUEOpen ↗
▸Cost, Insurance & Ownership8
▸BISPROJECT-SPECIFIC GL INSURANCE7
11/26/2025321631454 · 299 BUFFALO AVENUEOpen ↗
09/24/2025321630749 · 2536 WEST STREETOpen ↗
06/10/2025321630749 · 2536 WEST STREETOpen ↗
Showing 3 of 7 on file for this type
▸BISPROJECT SPECIFIC GENERAL LIABILITY INSURANCE1
10/22/2024321630749 · 2536 WEST STREETOpen ↗
▸Filing & Intake Forms16
▸BISEFILING COVER SHEET12
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 12 on file for this type
▸BISADDITIONAL INFORMATION4
11/21/2024321631454 · 299 BUFFALO AVENUEOpen ↗
Showing 1 of 4 on file for this type
▸Other Documents10
▸BISPLOT DIAGRAM2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISPVT ON-SITE STORM WATER DISPOSAL SYSTEMS & DETENTION FACL., INSTALLATION1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISSHUTOFF DAMPERS1
02/06/2025321631454 · 299 BUFFALO AVENUEOpen ↗
▸BISLAA - Supporting Documentation1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISHVAC & SERVICE WATER PIPING DESIGN AND INSULATION1
02/06/2025321631454 · 299 BUFFALO AVENUEOpen ↗
▸BISDUCT DESIGN, INSULATION AND LEAKAGE TESTING1
02/06/2025321631454 · 299 BUFFALO AVENUEOpen ↗
▸BISSITE CONNECTION:DEP1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type