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BuildNYC
Elevator cooperative
Coop City
900 BAYCHESTER AVENUE · Co-op City · BIN 2095386
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1969Year Built
33Stories
D4Building Class
R6Zoning
13,540,113 sfGross Floor Area
10,948Units
LL97 CoveredRent Stabilized4,928 Active Violations 4,922 unresolved · 6 paperwork only ▸FISP: SAFE
Elevator cooperative · Owner of record: Riverbay · 5,048,550 sf lot · 2.68 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralElectricalMechanicalEquipmentGeneral
Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.
Whole building & multi-floor projectsFacade and Balcony Restoration1 filing
Floor 1E-z Permit NY, LLC2 filings · 6 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
Riverbay3507/08/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
Enthink Engineers204/15/2022
Merritt Engineering Consultants104/05/2022
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
Merritt Engineering Consultant203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
Exo IndustriesScaffold807/08/2026
Star Electrical ContractorsElectrical103/22/2026
Exo IndustriesGeneral Contractor107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
Merritt Engineering Consulting460104/05/2022
Building Lifecycle
All (84)Filed (3)Permit Issued (5)Signed Off (3)Facade (FISP) (13)Violation (60)
09/01/2026
Violation issued (ECB, open)
Elevators
07/24/2025
Violation issued (HPD, open)
B
06/12/2025
Violation issued (HPD, closed)
A
01/08/2025
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
10/24/2024
Violation issued (ECB, closed)
Construction
05/13/2024
Violation issued (HPD, open)
B
05/13/2024
Violation issued (HPD, open)
B
05/13/2024
Violation issued (HPD, open)
B
05/13/2024
Violation issued (HPD, open)
B
05/13/2024
Violation issued (HPD, open)
B
05/13/2024
Violation issued (HPD, open)
C
05/13/2024
Violation issued (HPD, open)
B
05/13/2024
Violation issued (HPD, open)
B
05/13/2024
Violation issued (HPD, open)
B
05/13/2024
Violation issued (HPD, open)
B
05/13/2024
Violation issued (HPD, open)
A
05/10/2024
Violation issued (HPD, open)
B
05/10/2024
Violation issued (HPD, open)
B
05/10/2024
Violation issued (HPD, open)
B
02/08/2024
Signed off — Alteration
X00648809-I1
02/07/2024
Signed off — Alteration
X00716619-I1
12/14/2023
Cycle 9 facade report submitted
12/05/2023
Violation issued (HPD, open)
B
12/05/2023
Violation issued (HPD, open)
B
12/05/2023
Violation issued (HPD, open)
B
12/05/2023
Violation issued (HPD, open)
B
12/05/2023
Violation issued (HPD, closed)
A
11/29/2023
Cycle 9 facade report signed — SAFE
10/19/2023
Cycle 9 facade inspection completed
10/02/2023
Violation issued (HPD, open)
B
10/02/2023
Violation issued (HPD, open)
B
10/02/2023
Violation issued (HPD, open)
B
10/02/2023
Violation issued (HPD, open)
B
10/02/2023
Violation issued (HPD, open)
B
10/02/2023
Violation issued (HPD, open)
B
10/02/2023
Violation issued (HPD, open)
A
07/26/2023
Violation issued (HPD, closed)
A
07/26/2023
Violation issued (HPD, open)
A
07/26/2023
Violation issued (HPD, open)
B
07/26/2023
Violation issued (HPD, closed)
A
07/26/2023
Violation issued (HPD, open)
B
04/10/2023
Violation issued (HPD, open)
A
04/05/2023
Permit issued — Construction Fence
X00716619-I1-FN
03/24/2023
Signed off — Alteration
X00618903-I1
02/21/2023
Violation issued (HPD, open)
C
02/21/2023
Violation issued (HPD, open)
A
01/20/2023
Permit issued — Sidewalk Shed
X00648809-I1-SH
05/03/2022
Permit issued — General Construction
X00618903-I1-GC
04/15/2022
Filed — Alteration
X00716619-I1
04/15/2022
Permit issued — Construction Fence
X00716619-I1-FN
04/05/2022
Filed — Alteration
X00618903-I1
03/08/2022
Violation issued (HPD, closed)
I
03/08/2022
Violation issued (HPD, closed)
A
12/28/2021
Permit issued — Sidewalk Shed
X00648809-I1-SH
12/27/2021
Filed — Alteration
X00648809-I1
12/02/2021
Violation issued (HPD, open)
C
09/29/2021
Violation issued (HPD, open)
A
09/29/2021
Violation issued (HPD, open)
A
09/29/2021
Violation issued (HPD, open)
A
09/29/2021
Violation issued (HPD, open)
A
Latest 60 of 84 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWConstruction FenceSigned-offExo Industries04/05/2023
DOB NOWSidewalk ShedSigned-offExo Industries01/20/2023
DOB NOWGeneral ConstructionSigned-offExo Industries05/03/2022
DOB NOWConstruction FenceSigned-offExo Industries04/15/2022
DOB NOWSidewalk ShedSigned-offExo Industries12/28/2021
BISOTISSUEDProto Construction & DVLP10/07/2011
BISEQISSUEDB H & B Construction06/21/2011
BISEQISSUEDRiverbay02/07/2011
BISEQISSUEDRiverbay01/12/2011
BISOTISSUEDProto Construction & DVLP10/22/2010
BISEQISSUEDH & B Construction NY09/22/2010
BISOTISSUEDProto Construction & DVLP09/17/2010
BISOTISSUEDRiverbay06/10/2010
BISEQISSUEDRiverbay04/13/2010
BISEQISSUEDRiverbay05/29/2009
BISEQISSUEDRiverbay03/17/2008
BISEQISSUEDRiverbay01/18/2008
BISEQISSUEDRiverbay01/29/2007
BISEQISSUEDRiverbay01/29/2007
BISEQISSUEDRiverbay01/20/2006
BISEQISSUEDRiverbay01/20/2006
BISOTISSUEDW.B. Contracting07/13/2005
BISEQISSUEDRiverbay01/04/2005
BISEQISSUEDRiverbay01/04/2005
BISEQISSUEDRiverbay12/29/2003
BISEQISSUEDRiverbay12/29/2003
BISEQISSUEDRiverbay02/24/2003
BISEQISSUEDRiverbay02/24/2003
BISEQISSUEDRiverbay08/15/2002
BISOTISSUEDNab Construction05/21/1998
BISOTISSUEDNab Construction09/25/1996
3 projects · most recent 12/28/2021
FiledStatusContractorScope
12/28/2021CompleteRichard Neu—
03/23/2021CancelledStar Electrical Contractors—
08/31/2020Permit IssuedStar Electrical Contractors—
Nothing on file for this building.
▾Documents — 36 on file (BIS + DOB NOW)
▸Plans & Drawings3
▸DOB NOWPlans/Sketch3
08/24/2026X00648809-I1Request digital key ↗
08/24/2026X00618903-I1Request digital key ↗
08/24/2026X00716619-I1Request digital key ↗
▸Applications & Permits7
▸BISPLAN / WORK APPROVAL APPLICATION4
02/06/2013220080748Open ↗
10/15/2012220080748Open ↗
09/01/2010220080748Open ↗
Showing 3 of 4 on file for this type
▸BISWORK PERMIT APPLICATION3
02/03/2011220080748Open ↗
09/22/2010220080748Open ↗
06/11/2010220063678Open ↗
▸Seals & Professional Certifications11
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION4
01/08/2013220080748Open ↗
10/15/2012220080748Open ↗
09/01/2010220080748Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature3
08/24/2026X00648809-I1Open ↗
08/24/2026X00618903-I1Open ↗
08/24/2026X00716619-I1Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM2
09/01/2010220080748Open ↗
05/24/2010220063678Open ↗
▸BISPROFESSIONAL CERTIFIED CHECKLIST2
09/01/2010220080748Open ↗
05/24/2010220063678Open ↗
▸Environmental & Asbestos3
▸BISASBESTOS EXEMPTION CERTIFICATION LETTER1
09/01/2010220080748Open ↗
▸BISASBESTOS-EXEMPTION (ASB4)1
05/24/2010220063678Open ↗
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/24/2026X00618903-I1Open ↗
▸Energy Compliance1
▸DOB NOWEN2: As Built Energy Analysis.1
08/13/2026X00618903-I1Open ↗
▸Approvals, Objections & Sign-offs8
▸BISADMINISTRATIVE OBJECTIONS2
09/01/2010220080748Open ↗
05/24/2010220063678Open ↗
▸BISCERTIFICATE OF OCCUPANCY - LOC: REQUEST2
04/01/2013220080748Open ↗
01/08/2013220080748Open ↗
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter2
08/13/2026X00716619-I1Open ↗
08/13/2026X00648809-I1Open ↗
▸BISLETTERS - SUPPORTING DOCUMENTATION1
05/24/2010220063678Open ↗
▸BISSHED LETTER1
02/03/2011220080748Open ↗
▸Cost, Insurance & Ownership1
▸BISCOST AFFIDAVIT1
05/24/2010220063678Open ↗
▸Filing & Intake Forms2
▸BISEFILING COVER SHEET2
09/01/2010220080748Open ↗
05/24/2010220063678Open ↗