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Elevator cooperative
Celtic Park
43-10 50 AVENUE · Sunnyside · BIN 4430635
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1931Year Built
6Stories
D4Building Class
R5Zoning
409,538 sfGross Floor Area
493Units
LL97 CoveredRent Stabilized141 Open Violations ▸FDNY Report ↗
Elevator cooperative · Owner of record: CELTIC PARK OWNERS INC3 · 114,000 sf lot · 3.59 FAR built · Flood zone X
Locations of Work
Plumbing
Floor 11p · 1 filing · 5 docs
Cellar1 filing · 5 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
CELTIC PARK OWNERS INC3103/22/2026
CELTIC PARK OWNERS803/21/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
BILLAH ENGINEERING PLLC102/17/2021
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
INSHA BUILDING CONSULTANTS203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
EMPIRE PLUMBING INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
BILLAH ENGINEERING5838102/17/2021
Building Lifecycle
All (9)Filed (1)Permit Issued (1)Violation (6)Special Inspection (1)
06/16/2025
Violation issued (HPD, closed)
A
12/02/2024
Violation issued (HPD, closed)
I
04/18/2024
Violation issued (HPD, closed)
A
11/27/2023
Violation issued (HPD, closed)
I
04/03/2023
Violation issued (HPD, closed)
A
10/11/2022
Violation issued (FDNY_NOV, closed)
03/29/2021
Permit issued — Plumbing
Q00455206-I1-PL
02/17/2021
Filed — Alteration
Q00455206-I1
02/17/2021
Special inspection requirement — Fire-Resistant Penetrations and Joints
MOHAMMAD BILLAH
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingPermit IssuedEMPIRE PLUMBING INC03/29/2021
BISOTISSUEDAL SAEED CONSTRUCTION01/14/2021
BISOTISSUEDBEST ENERGY POWER 2015 LL04/19/2018
3 projects · most recent 05/12/2021
General Wiring
FiledStatusContractorScope
05/12/2021Permit IssuedWCK ELECTRIC CORP.26 meters, 1 new_meters
01/21/2021Permit IssuedWCK ELECTRIC CORP.General Wiring
03/11/2018CompleteRJ RUSSO ELECTRIC CO.—
▾Special Inspection Requirements (DOB NOW) — 1
DateRequirementInspectorRole
02/17/2021Fire-Resistant Penetrations and JointsMOHAMMAD BILLAHspecial
▾Documents — 46 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch - Plumbing1
08/27/2026Q00455206-I1Request digital key ↗
▸Applications & Permits4
▸BISPLAN / WORK APPROVAL APPLICATION2
01/05/2021440658691Open ↗
03/23/2018440471856Open ↗
▸BISWORK PERMIT APPLICATION2
01/14/2021440658691Open ↗
04/19/2018440471856Open ↗
▸Seals & Professional Certifications6
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
01/05/2021440658691Open ↗
▸BISAPPLICANT OWNER SIGNATURE1
03/23/2018440471856Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
01/05/2021440658691Open ↗
▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1
01/05/2021440658691Open ↗
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/27/2026Q00455206-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature1
09/01/2026Q00455206-I1Open ↗
▸Safety & Tenant Protection3
▸BISTPP1: TENANT PROTECTION PLAN1
05/03/2021440658691Open ↗
▸BISTENANT PROTECTION PLAN AND NOTES1
03/23/2018440471856Open ↗
▸DOB NOWTenant Protection Plan1
08/13/2026Q00455206-I1Open ↗
▸Environmental & Asbestos3
▸BISASBESTOS: CERTIFICATION (DEP ACP5)2
01/05/2021440658691Open ↗
03/23/2018440471856Open ↗
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/27/2026Q00455206-I1Open ↗
▸Energy Compliance8
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY3
01/05/2021440658691Open ↗
12/27/2018440471856Open ↗
03/23/2018440471856Open ↗
▸BISPTA4: SOLAR TAX ABATEMENT APPLICATION (PRELIMINARY)1
03/23/2018440471856Open ↗
▸BISPTA4: SOLAR TAX ABATEMENT APPLICATION (FINAL)1
12/13/2018440471856Open ↗
▸BISAS-BUILT ENERGY ANALYSIS1
12/27/2018440471856Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1
01/05/2021440658691Open ↗
▸BISFENESTRATION AREAS1
01/14/2021440658691Open ↗
▸Inspections & Test Reports4
▸BISTECHNICAL REPORT: RESPONSIBILITY3
01/05/2021440658691Open ↗
12/27/2018440471856Open ↗
03/23/2018440471856Open ↗
▸BISFIRE-RESISTANT PENETRATIONS AND JOINTS (FIRESTOP)1
01/14/2021440658691Open ↗
▸Approvals, Objections & Sign-offs5
▸BISLETTERS - SUPPORTING DOCUMENTATION2
12/13/2018440471856Open ↗
04/03/2018440471856Open ↗
▸BISFINAL1
01/14/2021440658691Open ↗
▸BISUtility Company PV System Interconnection Acknowledgement Letter1
12/13/2018440471856Open ↗
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1
12/27/2018440471856Open ↗
▸Cost, Insurance & Ownership5
▸BISCOST AFFIDAVIT5
01/05/2021440658691Open ↗
12/13/2018440471856Open ↗
04/09/2018440471856Open ↗
Showing 3 of 5 on file for this type
▸Filing & Intake Forms6
▸BISADDITIONAL INFORMATION4
12/13/2018440471856Open ↗
04/06/2018440471856Open ↗
04/03/2018440471856Open ↗
Showing 3 of 4 on file for this type
▸BISEFILING JOB APPLICATION COVER SHEET2
01/05/2021440658691Open ↗
03/23/2018440471856Open ↗
▸Other Documents1
▸BISTax Abatement Miscellaneous1
12/13/2018440471856Open ↗