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BuildNYC
Condo, commercial tower (mixed-use) [derived]
One U.n. Plaza Condominium
1 UNITED NATIONS PLAZA · BIN 1038758
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1977Year Built
39Stories
RCBuilding Class
C5-2Zoning
586,305 sfGross Floor Area
293Units
LL97 CoveredRent Stabilized5 Active Violations 23 likely answered 4 old, status unconfirmed ▸FISP: SWARMP
Condo, commercial tower (mixed-use) [derived] · 17,556 sf lot · 33.4 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralElectricalMechanicalPlumbingFire ProtectionEquipmentGeneral
Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.
Permit Issued — active, not yet Signed-off
RoofRoof protection installationUnder Construction3p · 1 filing · 1 doc
Floor 26Millennium Hotel2p · 1 filing · 4 docs
Floor 25
Floor 24
Floor 23
Floor 22
Floor 21
Floor 20
Floor 19
Floor 18
Floor 17
Floor 16
Floor 15
Floor 14
Floor 13
Floor 12
Floor 11
Floor 10
Floor 9
Floor 8
Floor 7
Floor 6
Floor 5
Floor 4
Floor 3
Floor 2
Floor 1Millennium Hilton5p · 2 filings · 9 docs
CellarPlumbing demolition and construction, cellar level5p · 2 filings · 9 docs
BasementUnited Nations Development Corp2p · 2 filings · 7 docs
Site & exteriorUnited Nations Development Corp10p · 1 filing · 4 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
One UN Plaza Condominium2203/21/2026
United Nations Development1503/21/2026
RHM-881303/21/2026
Diaz Architect Associates P1107/08/2026
U & N Development203/21/2026
Chase C203/21/2026
Firecom103/21/2026
President of One UN Plaza Condom103/21/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
HC Pec301/27/2026
IMEG Consulting101/08/2026
Jaros Baum & Bolles302/09/2023
Dyami Architecture103/28/2022
HNY Consulting Engineers107/06/2020
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
Milrose Consultants603/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
Integral ContractingGeneral Contractor707/08/2026
Community ElectricElectrical603/21/2026
PJP InstallersScaffold407/15/2026
Spice Electric CompanyElectrical203/21/2026
Bigman BrothersElectrical203/21/2026
Allstate ElectricElectrical103/21/2026
Spice Electric CompanyElectrical103/22/2026
Tru-Val ElectricElectrical103/21/2026
Eastern Plumbing & Mechanical ContractingPlumbing107/08/2026
Hydronic Concepts NY PlumbingFire Protection107/08/2026
Par Plumbing CoPlumbing107/08/2026
Community ElectricElectrical103/22/2026
E-J Electric Installation CoElectrical103/22/2026
FSM ElectricalElectrical103/22/2026
Star-Delta ElectricElectrical103/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
Milrose Consultants2003101/08/2026
Project Tactical Solution5859302/09/2023
Technical Systems Review7409107/06/2020
Building Lifecycle
All (110)Filed (9)Permit Issued (11)Signed Off (4)Facade (FISP) (12)Violation (60)Inspection (7)Special Inspection (7)
09/29/2026
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
09/21/2026
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
07/14/2026
Permit issued — Sidewalk Shed
M01249229-I1-SH
06/23/2026
Permit issued — Structural
M01270830-I1-ST
05/08/2026
Violation issued (HPD, open)
A
04/08/2026
Permit issued — Structural
M01270830-I1-ST
02/19/2026
Permit issued — Structural
M01270830-I1-ST
01/27/2026
Filed — Alteration
INSTALLATION OF SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01249229-P1
01/22/2026
Permit issued — Protection and Mechanical Methods
M01344535-I1-PMM
01/13/2026
Filed — Alteration
TEMPORARY ROOF PROTECTION AS PER DRAWINGS. ROOF PROTECTION SHALL COMPLY WITH CH #33 OF THE NYC BC. NO CHANGE IN USE, OCCUPANCY OR EGRESS UNDER THIS APPLICATION.
M01344535-I1
01/08/2026
Filed — Alteration
Installation of new steel framings below deteriorated slab.
M01270830-I1
11/17/2025
Violation issued (HPD, closed)
I
08/13/2025
Special inspection requirement — Structural Steel - Details
Christopher Drutjons
08/13/2025
Special inspection requirement — Final
Christopher Drutjons
07/16/2025
Permit issued — Sidewalk Shed
M01249229-I1-SH
07/15/2025
Filed — Alteration
INSTALLATION OF SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01249229-I1
06/13/2025
Violation issued (HPD, open)
A
12/01/2024
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
11/22/2024
Violation issued (HPD, closed)
I
04/16/2024
Violation issued (HPD, open)
A
03/20/2024
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/12/2024
Violation issued (ECB, closed)
Elevators
01/12/2024
Violation issued (ECB, closed)
Elevators
12/01/2023
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
11/15/2023
Violation issued (HPD, closed)
I
10/12/2023
Signed off — Alteration
Modification of existing water services for installation of backflow preventers to comply with DEP requirements.
M00453564-I1
04/06/2023
Violation issued (ECB, closed)
Elevators
03/30/2023
Violation issued (HPD, closed)
A
02/23/2023
Signed off — Alteration
M00662560-I1
02/09/2023
Filed — Alteration
Modification of existing water services for installation of backflow preventers to comply with DEP requirements.
M00453564-P1
02/02/2023
Special inspection requirement — Post-installed Anchors
Max Lee
02/02/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
Max Lee
02/01/2023
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
01/20/2023
Cycle 9 facade report signed — SWARMP
12/21/2022
Cycle 9 facade inspection completed
12/09/2022
Signed off — Alteration
Providing one (1) additional domestic water house pump to existing domestic water system.
M00383357-I1
12/08/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
12/06/2022
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
12/06/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Water Test
Certified
View inspection ↗
12/05/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
12/01/2022
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
11/15/2022
Permit issued — Plumbing
M00453564-I1-PL
10/07/2022
Permit issued — Plumbing
M00383357-I1-PL
09/08/2022
Cycle 9 facade report submitted
08/22/2022
Filed — Alteration
Providing one (1) additional domestic water house pump to existing domestic water system.
M00383357-I1
04/13/2022
Permit issued — General Construction
M00662560-I1-GC
04/07/2022
Permit issued — General Construction
M00662560-I1-GC
03/28/2022
Filed — Alteration
M00662560-I1
03/09/2022
Violation issued (HPD, closed)
A
01/13/2022
Special inspection requirement — Final
MICHAEL MATURO
12/01/2021
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
07/23/2021
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
07/23/2021
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
07/23/2021
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
07/23/2021
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
07/23/2021
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
07/23/2021
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
07/23/2021
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
07/23/2021
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
06/29/2021
Filed — Alteration
Modification of existing water services for installation of backflow preventers to comply with DEP requirements.
M00453564-I1
Latest 60 of 110 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSidewalk ShedPermit IssuedPJP Installers07/14/2026
DOB NOWStructuralPermit IssuedIntegral Contracting06/23/2026
DOB NOWStructuralPermit IssuedIntegral Contracting04/08/2026
DOB NOWStructuralPermit IssuedIntegral Contracting02/19/2026
DOB NOWProtection and Mechanical MethodsPermit IssuedPJP Installers01/22/2026
DOB NOWSidewalk ShedPermit IssuedPJP Installers07/16/2025
DOB NOWPlumbingSigned-offPar Plumbing Co11/15/2022
DOB NOWPlumbingSigned-offEastern Plumbing & Mechanical Contracting10/07/2022
DOB NOWGeneral ConstructionSigned-offIntegral Contracting04/13/2022
DOB NOWGeneral ConstructionSigned-offIntegral Contracting04/07/2022
DOB NOWSprinklersSigned-offBent Mechanical07/13/2020
BISMHISSUEDPenguin Air Conditioning05/08/2019
BISOTISSUEDHumphrey Rich Cons Group01/04/2019
BISMHISSUEDHumphrey Rich Cons Group01/04/2019
BISOTISSUEDRelated Services11/29/2018
BISEQISSUEDSafway Atlantic08/16/2017
BISSPISSUEDLund Fire Products Co02/22/2017
BISOTISSUEDHunter Roberts Construction12/30/2016
BISMHISSUEDHunter Roberts Construction12/30/2016
BISOTISSUEDTishman Construction12/16/2016
BISOTISSUEDTishman Construction10/07/2016
BISOTISSUEDTishman Construction10/07/2016
BISOTISSUEDTishman Construction10/07/2016
BISEQISSUEDGreg Logistics10/07/2016
BISEQISSUEDSafway Atlantic08/29/2016
BISSPISSUEDPreferred Sprinkler and Mechanical08/24/2016
BISOTISSUEDTishman Construction08/22/2016
BISOTISSUEDTishman Construction08/22/2016
BISOTISSUEDTishman Construction08/19/2016
BISSPISSUEDAbco-Peerless Sprinkler08/02/2016
BISPLISSUEDPace Plumbing07/20/2016
BISSPISSUEDSirina Fire Protection06/21/2016
BISMHISSUEDHunter Roberts Construction06/03/2016
BISOTISSUEDHunter Roberts Construction06/03/2016
BISMHISSUEDHunter Roberts Construction01/04/2016
BISOTISSUEDHunter Roberts Construction01/04/2016
BISPLISSUEDPace Plumbing11/18/2015
BISOTISSUEDHunter Roberts Construction10/19/2015
BISMHISSUEDHunter Roberts Construction10/19/2015
BISPLISSUEDPace Plumbing07/29/2015
+ 21 more permits on file
13 projects · most recent 08/28/2025
General Wiring
FiledStatusContractorScope
08/28/2025Permit IssuedSpice Electric Company—
08/28/2025Permit IssuedSpice Electric Company—
05/16/2025CompleteFSM Electrical—
03/21/2025CompleteFSM Electrical—
10/30/2024CompleteFSM Electrical—
09/13/2024CompleteFSM Electrical—
08/07/2024CompleteCommunity ElectricGeneral Wiring
11/21/2023Permit IssuedStriano Electric CoGeneral Wiring
08/02/2023CompleteNead ElectricGeneral Wiring
04/18/2023CompleteCommunity ElectricGeneral Wiring
11/03/2021CompleteH. & L. ElectricGeneral Wiring
02/17/2021CompleteAtlas-Acon Electric ServiceGeneral Wiring
04/29/2020CompleteE-J Electric Installation CoGeneral Wiring
1 project · most recent 01/08/2026
Steel
FiledStatusContractorScope
01/08/2026Permit IssuedIntegral ContractingSteel
1 project · most recent 01/27/2026
Sidewalk Shed
FiledStatusContractorScope
01/27/2026Permit IssuedPJP InstallersSidewalk Shed
▾Field Inspections (DOB CAP) — 7
DateTypeResultReport
09/29/2026Pass-Final PL - Up to 3 Requested FloorsPassView ↗
09/21/2026Pass-Final PL - Up to 3 Requested FloorsPassView ↗
02/01/2023Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
12/08/2022Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
12/06/2022Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
12/06/2022Certified Water and Sanitary-WS-Sanitary Piping-Water TestCertifiedView ↗
12/05/2022Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 7
DateRequirementInspectorRole
08/13/2025Structural Steel - DetailsChristopher Drutjonsspecial
08/13/2025FinalChristopher Drutjonsprogress
02/02/2023Post-installed AnchorsMax Leespecial
02/02/2023Fire-Resistant Penetrations and JointsMax Leespecial
01/13/2022FinalMICHAEL MATUROprogress
09/18/2020Post-installed AnchorsMax Leespecial
12/19/2019Sprinkler SystemsALEKSANDR ABRAMOVspecial
▾Tenants in the building
TenantSpaceFloorsRenovation projects
Millennium HotelHotel / LodgingFloor 26
Project M01270830 Alteration · Permit Entire · 01/08/2026
Millennium HiltonHotel / LodgingFloor 1
Project M00662560 Alteration · LOC Issued · 03/28/2022
Names are taken automatically from the text of each project’s filed documents (title blocks and cover sheets) and screened to exclude owners, landlords and designers. They may be incomplete or wrong; check the filing.
▾Documents — 627 on file (BIS + DOB NOW)
▸Plans & Drawings9
▸DOB NOWPlans/Sketch5
09/02/2026M00662560-I1Request digital key ↗
08/20/2026M01270830-I1Request digital key ↗
08/19/2026M01344535-I1Request digital key ↗
Showing 3 of 5 on file for this type
▸DOB NOWPlans/Sketch - Plumbing3
09/03/2026M00453564-P1Request digital key ↗
09/03/2026M00453564-I1Request digital key ↗
09/02/2026M00383357-I1Request digital key ↗
▸DOB NOWPlans/Sketch - Sprinkler1
09/04/2026M00285345-I1Request digital key ↗
▸Applications & Permits145
▸BISPLAN / WORK APPROVAL APPLICATION88
12/03/2020123029230Open ↗
05/11/2020123154433Open ↗
05/01/2020123154433Open ↗
Showing 3 of 88 on file for this type
▸BISWORK PERMIT APPLICATION55
12/11/2019123154433Open ↗
12/11/2019123154433Open ↗
05/08/2019123676502Open ↗
Showing 3 of 55 on file for this type
▸DOB NOWLPC Approval/Permit2
09/02/2026M00662560-I1Open ↗
08/13/2026M01270830-I1Open ↗
▸Seals & Professional Certifications145
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION83
09/04/2019123676502Open ↗
09/04/2019123676502Open ↗
09/04/2019123676502Open ↗
Showing 3 of 83 on file for this type
▸BISPROFESSIONAL CERTIFIED CHECKLIST19
01/04/2019123154433Open ↗
11/28/2018123129051Open ↗
12/26/2017123129051Open ↗
Showing 3 of 19 on file for this type
▸BISPROFESSIONAL CERTIFICATION STATEMENT17
01/04/2019123154433Open ↗
12/26/2017123129051Open ↗
Showing 2 of 17 on file for this type
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM10
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 10 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature9
09/03/2026M00453564-I1Open ↗
09/03/2026M00453564-P1Open ↗
09/02/2026M00662560-I1Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature4
08/25/2026M00383357-I1Open ↗
08/25/2026M00453564-P1Open ↗
08/23/2026M00285345-I1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWProgress Inspector Seal & Signature2
08/25/2026M00662560-I1Open ↗
08/23/2026M01270830-I1Open ↗
▸BISPC FULL REPORT1
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 & Equipment45
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE21
03/07/2017123029230Open ↗
01/25/2017122753975Open ↗
01/06/2017122791639Open ↗
Showing 3 of 21 on file for this type
▸BISSELF-CERT PLUMBING NOTICE9
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 9 on file for this type
▸BISFA - FDNY APPROVAL : FD-FAA6
05/14/2025123577423Open ↗
04/09/2025123434747Open ↗
08/17/2018122123978Open ↗
Showing 3 of 6 on file for this type
▸BISSCHEDULE B - PLUMBING5
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 5 on file for this type
▸BISPLUMBING - SUPPORTING DOCUMENTATION2
05/10/2018122753975Open ↗
05/10/2018122753975Open ↗
▸BISEQUIPMENT USE APPLICATION/PERMIT1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISEQUIPMENT USE PERMITS1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Safety & Tenant Protection3
▸BISTenant Protection Plan and Notes2
12/26/2017123129051Open ↗
03/07/2017123029230Open ↗
▸BISEXCAVATION OR DEMOLITION: 5-DAY NOTICE1
05/10/2018122753975Open ↗
▸Environmental & Asbestos41
▸BISASBESTOS: COMPLETION OR CLOSEOUT (ACP 20-21-5)15
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 15 on file for this type
▸BISASBESTOS: CERTIFICATION (DEP ACP5)12
04/03/2019123676502Open ↗
01/04/2019123154433Open ↗
06/29/2018123577423Open ↗
Showing 3 of 12 on file for this type
▸BISDEP ASBESTOS PROJECT COMPLETION FORM8
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 8 on file for this type
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'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-5: Asbestos Assessment Report2
09/02/2026M00662560-I1Open ↗
08/13/2026M00285345-I1Open ↗
▸BISASBESTOS EXEMPTION CERTIFICATION LETTER1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Energy Compliance39
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS23
09/04/2019123676502Open ↗
09/04/2019123676502Open ↗
04/03/2019123676502Open ↗
Showing 3 of 23 on file for this type
▸BISAS-BUILT ENERGY ANALYSIS11
05/28/2020123154433Open ↗
09/04/2019123676502Open ↗
07/30/2019123676502Open ↗
Showing 3 of 11 on file for this type
▸BISTR8: Energy Code Progress Inspections3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY1
05/28/2020123154433Open ↗
▸BISTECHNICAL REPORT: ENERGY1
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 Reports3
▸BISTECHNICAL REPORT: RESPONSIBILITY3
05/28/2020123154433Open ↗
05/28/2020123154433Open ↗
05/28/2020123154433Open ↗
▸Approvals, Objections & Sign-offs42
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST22
05/23/2025123577423Open ↗
04/21/2025123434747Open ↗
05/28/2020123154433Open ↗
Showing 3 of 22 on file for this type
▸BISADMINISTRATIVE OBJECTIONS6
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 6 on file for this type
▸BISLANDMARKS APPROVAL5
12/11/2019123154433Open ↗
09/04/2019123676502Open ↗
04/03/2019123676502Open ↗
Showing 3 of 5 on file for this type
▸BISLETTERS - SUPPORTING DOCUMENTATION5
12/11/2019123154433Open ↗
05/08/2019123676502Open ↗
11/29/2018123129051Open ↗
Showing 3 of 5 on file for this type
▸BISSUPERSEDING LETTER1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISSCHEDULE A - OCCUPANCY / USE1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISLETTERS - APPROVED FABRICATION CERTIFICATIONS1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸DOB NOWDEP Variance (V5) letter1
09/03/2026M00453564-I1Open ↗
▸Cost, Insurance & Ownership61
▸BISCOST AFFIDAVIT58
05/14/2025123577423Open ↗
04/21/2025123434747Open ↗
05/28/2020123154433Open ↗
Showing 3 of 58 on file for this type
▸BISCOST AFFIDAVIT (FINAL): PW31
04/25/2025123577423Open ↗
▸BISHIC LICENSE OR AFFIDAVIT1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISDEPT OF FINANCE VERIFICATION1
04/03/2019123676502Open ↗
▸Filing & Intake Forms89
▸BISEFILING COVER SHEET42
04/03/2019123676502Open ↗
04/03/2019123676502Open ↗
01/04/2019123154433Open ↗
Showing 3 of 42 on file for this type
▸BISADDITIONAL INFORMATION29
01/29/2020123154433Open ↗
01/29/2020123154433Open ↗
01/27/2020123154433Open ↗
Showing 3 of 29 on file for this type
▸BISBOROUGH INTAKE FORM18
09/04/2019123676502Open ↗
06/06/2019122753975Open ↗
01/08/2019123129051Open ↗
Showing 3 of 18 on file for this type
▸Other Documents5
▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION5
03/25/2019123670250Open ↗
11/29/2018123129051Open ↗
05/10/2018122753975Open ↗
Showing 3 of 5 on file for this type