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Contractor
IRON HILL COMPANY INC
General Contractor
3 projects with open permitsBROOKLYN · 8
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2 buildings
24
Total Filings
8
Projects on File
2
Buildings Worked
3
Projects w/ Open Permits
General Contractor
Primary Trade
Activity
Projects by first filing month8 projects all-time
0134Jun '20 · 2Jun '21 · 3Jul '21 · 1Aug '21 · 1Sep '22 · 1Jun '20Sep '20Dec '20Mar '21Jun '21Sep '21Dec '21Mar '22Jun '22Sep '22
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit338%
Signed off225%
Other status338%
By project type
Alteration5
Most active buildings
All buildings →
4422 2 AVENUEBROOKLYN · 2 open · latest 11/07/2022
5 projects
152 44 STREETBROOKLYN · 1 open · latest 07/26/2022
3 projects
Key relationships
Everyone →
Design firms
3 projects
2 projects
Filing representatives
1 projects
Owners
3 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
321588527BIS4422 2 AVENUE
BROOKLYN
—ISSUED06/16/202111/07/2022——
B08003505 ↗4422 2 AVENUE
BROOKLYN
AlterationPermit Issued09/21/202210/19/2022
Design NEW YORK ENGINEERS LLC
Owner SUPERFLEX MANAGEMENT LLC
Filer JACK JAFFA & ASSOCIATES
GENERATOR FILING IN CONJUNCTION WITH ALT 1#321588527
B00343505 ↗4422 2 AVENUE
BROOKLYN
AlterationPermit Issued06/01/202107/26/2022
Design NEW YORK ENGINEERS LLC
Owner SUPERFLEX MANAGEMENT LLC
Filer JACK JAFFA & ASSOCIATES
MECHANICAL WORK FILED IN CONJUNCTION WITH ALT 1#321588527, NEW KITCHEN EXHAUST SYSTEM.
B00354273 ↗152 44 STREET
BROOKLYN
AlterationSigned-off06/15/202007/26/2022
Design M C STRUCTURAL ENGINEERING
Interior renovation, create opening at walls and add mezzanine. Filing in conjunction to Alt 1 application DOB job number 321590836
B00354618 ↗4422 2 AVENUE
BROOKLYN
AlterationSigned-off06/15/202007/26/2022
Design M C STRUCTURAL ENGINEERING
Owner SUPERFLEX MANAGEMENT LLC
Filer JACK JAFFA & ASSOCIATES
STRUCTURAL WORK FILED IN CONJUNCTION WITH ALT 1#321588527
B00360918 ↗152 44 STREET
BROOKLYN
AlterationPermit Issued07/14/202107/26/2022
Design NEW YORK ENGINEERS LLC
MECHANICAL WORK FILED IN CONJUNCTION WITH ALT 1 # 321590836
Counts cover all 8 projects (5 DOB NOW + 3 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
NEW YORK ENGINEERS LLC302/21/2024
M C STRUCTURAL ENGINEERING207/15/2022
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
SUPERFLEX MANAGEMENT LLC302/21/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
JACK JAFFA & ASSOCIATES109/21/2022
5 DOB NOW projects + 3 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 8Open permit 3Signed off 2Other status 3
8 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
321588527BIS4422 2 AVENUE
BROOKLYN
—ISSUED06/16/202111/07/2022——
B08003505 ↗4422 2 AVENUE
BROOKLYN
AlterationPermit Issued09/21/202210/19/2022
Design NEW YORK ENGINEERS LLC
Owner SUPERFLEX MANAGEMENT LLC
Filer JACK JAFFA & ASSOCIATES
GENERATOR FILING IN CONJUNCTION WITH ALT 1#321588527
B00343505 ↗4422 2 AVENUE
BROOKLYN
AlterationPermit Issued06/01/202107/26/2022
Design NEW YORK ENGINEERS LLC
Owner SUPERFLEX MANAGEMENT LLC
Filer JACK JAFFA & ASSOCIATES
MECHANICAL WORK FILED IN CONJUNCTION WITH ALT 1#321588527, NEW KITCHEN EXHAUST SYSTEM.
B00354273 ↗152 44 STREET
BROOKLYN
AlterationSigned-off06/15/202007/26/2022
Design M C STRUCTURAL ENGINEERING
Interior renovation, create opening at walls and add mezzanine. Filing in conjunction to Alt 1 application DOB job number 321590836
B00354618 ↗4422 2 AVENUE
BROOKLYN
AlterationSigned-off06/15/202007/26/2022
Design M C STRUCTURAL ENGINEERING
Owner SUPERFLEX MANAGEMENT LLC
Filer JACK JAFFA & ASSOCIATES
STRUCTURAL WORK FILED IN CONJUNCTION WITH ALT 1#321588527
B00360918 ↗152 44 STREET
BROOKLYN
AlterationPermit Issued07/14/202107/26/2022
Design NEW YORK ENGINEERS LLC
MECHANICAL WORK FILED IN CONJUNCTION WITH ALT 1 # 321590836
321590836BIS152 44 STREET
BROOKLYN
—ISSUED06/28/202107/21/2022——
340744289BIS4422 2 AVENUE
BROOKLYN
—ISSUED08/03/202103/14/2022—OT
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
4422 2 AVENUE ↗1207/08/2026
152 44 STREET ↗1207/08/2026
▾Documents — 232 on file (BIS + DOB NOW)
▸Plans & Drawings11
▸DOB NOWPlans/Sketch - Mechanical Systems6
09/01/2026B00360918-I1 · 152 44 STREETRequest digital key ↗
Showing 1 of 6 on file for this type
▸DOB NOWPlans/Sketch - Structural3
09/02/2026B00354618-I1 · 4422 2 AVENUERequest digital key ↗
09/02/2026B00354273-I1 · 152 44 STREETRequest digital key ↗
Showing 2 of 3 on file for this type
▸DOB NOWPlans/Sketch2
08/28/2026B08003505-I1 · 4422 2 AVENUERequest digital key ↗
08/28/2026B08003505-P1 · 4422 2 AVENUERequest digital key ↗
▸Applications & Permits42
▸BISPLAN / WORK APPROVAL APPLICATION31
01/08/2026321588527 · 4422 2 AVENUEOpen ↗
08/26/2024321588527 · 4422 2 AVENUEOpen ↗
06/05/2024321588527 · 4422 2 AVENUEOpen ↗
Showing 3 of 31 on file for this type
▸BISWORK PERMIT APPLICATION8
03/17/2022340744289 · 4422 2 AVENUEOpen ↗
02/19/2022340744289 · 4422 2 AVENUEOpen ↗
02/19/2022340744289 · 4422 2 AVENUEOpen ↗
Showing 3 of 8 on file for this type
▸BISCERTIFICATE OF OCCUPANCY: APPLICATION2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISPLACE OF ASSEMBLY (PA) SIGNOFF1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Zoning, Tax Lot & Property Records5
▸BISEASEMENT AND RESTRICTIVE DECLARATIONS - SUPPPORTING DOCUMENTATION4
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 4 on file for this type
▸BISRESTRICTION: RESTRICTIVE DECLARATION1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Seals & Professional Certifications56
▸DOB NOWSpecial Inspector Seal & Signature24
09/01/2026B00343505-P2 · 4422 2 AVENUEOpen ↗
09/01/2026B00343505-P2 · 4422 2 AVENUEOpen ↗
09/01/2026B00343505-P2 · 4422 2 AVENUEOpen ↗
Showing 3 of 24 on file for this type
▸DOB NOWProgress Inspector Seal & Signature21
09/01/2026B00343505-P2 · 4422 2 AVENUEOpen ↗
09/01/2026B00343505-P2 · 4422 2 AVENUEOpen ↗
09/01/2026B00343505-P2 · 4422 2 AVENUEOpen ↗
Showing 3 of 21 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature9
08/28/2026B08003505-I1 · 4422 2 AVENUEOpen ↗
08/13/2026B00360918-I1 · 152 44 STREETOpen ↗
08/13/2026B08003505-P1 · 4422 2 AVENUEOpen ↗
Showing 3 of 9 on file for this type
▸BISAPPLICANT OWNER SIGNATURE1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Trade Schedules & Equipment4
▸BISDETECTOR:SMOKE-CERT. OF INSTALLATION2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISDETECTOR:CARBON MONOXIDE-CERT.OF INSTALL1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISFIRE PROTECTION PLAN(FPP): FDNY APPROVAL1
01/12/2024321588527 · 4422 2 AVENUEOpen ↗
▸Safety & Tenant Protection5
▸BISSTREET TREE CHECKLIST3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸BISSTREET TREES: RECEIPT OF STREET TREES SITE PLAN2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸Environmental & Asbestos12
▸DOB NOWDEP ACP-5: Asbestos Assessment Report7
08/28/2026B08003505-I1 · 4422 2 AVENUEOpen ↗
08/13/2026B08003505-P1 · 4422 2 AVENUEOpen ↗
Showing 2 of 7 on file for this type
▸BISASBESTOS: CERTIFICATION (DEP ACP5)3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form2
08/13/2026B00354273-I1 · 152 44 STREETOpen ↗
08/13/2026B00360918-I1 · 152 44 STREETOpen ↗
▸Energy Compliance11
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY4
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 4 on file for this type
▸BISFENESTRATION AREAS1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISINSULATION PLACEMENT & R VALUES1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISENERGY CODE COMPLIANCE INSPECTIONS1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISAS-BUILT ENERGY ANALYSIS (EN2)1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISFENESTRATION AIR LEAKAGE1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISAIR SEALING AND INSULATION - VISUAL1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISFENESTRATION U-FACTOR & PRODUCT RATING1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Inspections & Test Reports20
▸BISTECHNICAL REPORT: RESPONSIBILITY7
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 7 on file for this type
▸BISTECHNICAL REPORT: CONCRETE DESIGN MIX2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISPOST-INSTALLED ANCHORS1
06/27/2022340744289 · 4422 2 AVENUEOpen ↗
▸BISSUBGRADE INSP / SOILS-SITE PREP1
06/27/2022340744289 · 4422 2 AVENUEOpen ↗
▸BISSOIL REPORT1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISTECHNICAL REPORT: CONCRETE/TEST CYLINDER1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISTECHNICAL REPORT: SOIL INSPECTION1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISSTRUCTURAL STABILITY - EXISTING BUILDINGS1
06/27/2022340744289 · 4422 2 AVENUEOpen ↗
▸BISCONCRETE - CAST-IN-PLACE1
06/27/2022340744289 · 4422 2 AVENUEOpen ↗
▸BISTR2: CONCRETE FIELD TESTING TECHNICAL REPORT1
08/08/2022340744289 · 4422 2 AVENUEOpen ↗
▸BISFIRE-RESISTANT PENETRATIONS AND JOINTS (FIRESTOP)1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISFIRE-RESISTIVE RATED CONSTRUCTION1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISFOOTING AND FOUNDATION INSPECTION1
06/27/2022340744289 · 4422 2 AVENUEOpen ↗
▸Approvals, Objections & Sign-offs35
▸BISSCHEDULE A - OCCUPANCY / USE23
08/26/2024321588527 · 4422 2 AVENUEOpen ↗
05/30/2024321588527 · 4422 2 AVENUEOpen ↗
05/30/2024321590836 · 152 44 STREETOpen ↗
Showing 3 of 23 on file for this type
▸BISLETTERS - SUPPORTING DOCUMENTATION10
09/27/2023321590836 · 152 44 STREETOpen ↗
08/16/2023321588527 · 4422 2 AVENUEOpen ↗
08/16/2023321588527 · 4422 2 AVENUEOpen ↗
Showing 3 of 10 on file for this type
▸BISFINAL1
06/27/2022340744289 · 4422 2 AVENUEOpen ↗
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1
08/12/2022340744289 · 4422 2 AVENUEOpen ↗
▸Cost, Insurance & Ownership7
▸BISCOST AFFIDAVIT3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸BISCOST AFFIDAVIT (FINAL): PW32
06/27/2022340744289 · 4422 2 AVENUEOpen ↗
Showing 1 of 2 on file for this type
▸BISPROJECT-SPECIFIC GL INSURANCE2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸Filing & Intake Forms22
▸BISADDITIONAL INFORMATION18
11/21/2024321588527 · 4422 2 AVENUEOpen ↗
09/27/2023321590836 · 152 44 STREETOpen ↗
09/27/2023321590836 · 152 44 STREETOpen ↗
Showing 3 of 18 on file for this type
▸BISEFILING COVER SHEET2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISEFILING JOB APPLICATION COVER SHEET1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISBOROUGH INTAKE FORM1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Other Documents2
▸BISEXTERIOR INSULATION AND FINISH SYSTEMS (EIFS)1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISEXTERNAL FORMS - 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