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BuildNYC
Predominantly retail with other uses
331 WEST 51ST STREET
MANHATTAN · BIN 1025206
💬 Discuss this project
1920Year Built
3Stories
K4Building Class
R8Zoning
4,131 sfGross Floor Area
3Units
Rent Stabilized0 Active Violations 2 old, status unconfirmed ▸
Predominantly retail with other uses · Owner of record: 331 West 51 St NY · 1,807 sf lot · 2.29 FAR built · Flood zone X
Locations of Work
Mechanical
Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.
Floor 3Mechanical units and ceiling cassettes, 2nd and 3rd floors2p · 2 filings · 20 docs
Floor 2Mechanical units and ceiling cassettes, 2nd and 3rd floors2p · 2 filings · 20 docs
Floor 1
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
Spoonfed New York Country Group303/21/2026
331 West 51 St NY203/21/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
05/18/2021$3.0M—— → —$729/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
Sion Consulting Engineering310/26/2021
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
Sion Consulting Engineering603/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
Interstate ElectricElectrical103/21/2026
WCK ElectricElectrical103/21/2026
Matteo Air Conditioningspecialty_contractor107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
Sion Consulting Engineering1108108/19/2021
Building Lifecycle
All (27)Filed (3)Permit Issued (1)Signed Off (1)Violation (10)Special Inspection (12)
03/21/2023
Signed off — Alteration
Proposed Mechanical Wall mounted units & ceiling cassette at 2nd , 3rd floor .This application is conjunction with bis job#120038351. No change in use, egress and occupancy.
M00569104-I1
01/13/2022
Permit issued — Mechanical Systems
M00569104-I1-MS
11/04/2021
Special inspection requirement — Heating Systems
sion hourizadeh
11/04/2021
Special inspection requirement — Mechanical Systems
sion hourizadeh
11/04/2021
Special inspection requirement — Final
sion hourizadeh
11/04/2021
Special inspection requirement — HVAC-R and service water piping design and insulation
sion hourizadeh
11/04/2021
Special inspection requirement — Maintenance information
sion hourizadeh
11/04/2021
Special inspection requirement — HVAC-R and service water heating equipment
sion hourizadeh
10/26/2021
Filed — Alteration
Proposed Mechanical Wall mounted units & ceiling cassette at 2nd , 3rd floor .This application is conjunction with bis job#120038351. No change in use, egress and occupancy.
M00569104-P1
10/26/2021
Filed — Alteration
Interior Work, Replace bathroom & Kitchen Fixtures on existing roughing in the 2nd & 3rd floor. This application is conjunction with bis job#120038351. No change in use, egress and occupancy.
M00560305-P1
10/21/2021
Special inspection requirement — Heating Systems
10/21/2021
Special inspection requirement — Mechanical Systems
10/21/2021
Special inspection requirement — Final
10/21/2021
Special inspection requirement — HVAC-R and service water heating equipment
10/21/2021
Special inspection requirement — HVAC-R and service water piping design and insulation
10/21/2021
Special inspection requirement — Maintenance information
08/19/2021
Filed — Alteration
Proposed Mechanical Wall mounted units & ceiling cassette at 2nd , 3rd floor .This application is conjunction with bis job#120038351. No change in use, egress and occupancy.
M00569104-I1
05/20/2019
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
04/05/2019
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/05/2018
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
09/15/2017
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
02/07/2017
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
12/01/2016
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
06/10/2015
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
10/31/2014
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
10/08/2010
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
12/17/1999
Violation issued (ECB, closed)
Construction
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offMatteo Air Conditioning01/13/2022
BISFPISSUEDMaster Fire Systems06/23/2017
BISPLISSUEDC.R.U. Mechan & Heating10/07/2016
BISMHISSUEDDLM Contractors09/22/2016
BISOTISSUEDDLM Contractors09/22/2016
BISOTISSUEDLucky Iron Work07/28/2009
BISFPISSUEDMaster Fire Suppression02/17/2006
BISPLISSUEDGregg NY Plumbing03/10/2005
BISOTISSUEDSalvatierra Construction02/23/2005
BISOTISSUEDMiguel Salvatierra Construction09/15/2004
BISPLISSUEDK & BH Plumbing & Heating02/09/2001
BISFPISSUEDNew York Business Fire System08/10/2000
BISSPISSUEDKB Plumbing & Heating07/18/2000
BIS—ISSUEDNone06/30/2000
BISEQISSUEDHong & Li and Associates01/06/2000
BISMHISSUEDHong & Li and Associates01/06/2000
BISEQISSUEDHI-Tech Bridging06/01/1999
1 project · most recent 10/26/2021
Water/Sanitary
FiledStatusContractorScope
10/26/2021——Water/Sanitary
1 project · most recent 12/08/2021
General Wiring
FiledStatusContractorScope
12/08/2021CompleteInterstate ElectricGeneral Wiring
▾Special Inspection Requirements (DOB NOW) — 12
DateRequirementInspectorRole
11/04/2021Heating Systemssion hourizadehspecial
11/04/2021Mechanical Systemssion hourizadehspecial
11/04/2021Finalsion hourizadehprogress
11/04/2021HVAC-R and service water piping design and insulationsion hourizadehenergy_progress
11/04/2021Maintenance informationsion hourizadehenergy_progress
11/04/2021HVAC-R and service water heating equipmentsion hourizadehenergy_progress
10/21/2021Heating Systems—special
10/21/2021Mechanical Systems—special
10/21/2021Final—progress
10/21/2021HVAC-R and service water heating equipment—energy_progress
10/21/2021HVAC-R and service water piping design and insulation—energy_progress
10/21/2021Maintenance information—energy_progress
▾Documents — 85 on file (BIS + DOB NOW)
▸Plans & Drawings4
▸DOB NOWPlans/Sketch4
09/03/2026M00560305-I1Request digital key ↗
09/03/2026M00560305-P1Request digital key ↗
09/03/2026M00569104-I1Request digital key ↗
Showing 3 of 4 on file for this type
▸Applications & Permits14
▸BISPLAN / WORK APPROVAL APPLICATION8
08/20/2021120038351Open ↗
08/04/2021120038351Open ↗
07/13/2021120038351Open ↗
Showing 3 of 8 on file for this type
▸BISWORK PERMIT APPLICATION4
10/17/2016122893896Open ↗
10/05/2016122893887Open ↗
10/05/2016122893896Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWHPD Certification Letter or CPC Special Permit2
08/13/2026M00569104-P1Open ↗
08/13/2026M00569104-I1Open ↗
▸Seals & Professional Certifications22
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION10
09/22/2017121276859Open ↗
07/03/2017121276859Open ↗
05/08/2017123090136Open ↗
Showing 3 of 10 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature4
08/13/2026M00569104-P1Open ↗
08/13/2026M00569104-I1Open ↗
08/13/2026M00560305-P1Open ↗
Showing 3 of 4 on file for this type
▸BISPROFESSIONAL CERTIFICATION STATEMENT3
05/08/2017123090136Open ↗
09/29/2016122893887Open ↗
09/29/2016122893896Open ↗
▸DOB NOWProgress Inspector Seal & Signature2
08/28/2026M00569104-I1Open ↗
08/28/2026M00569104-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature2
08/28/2026M00569104-I1Open ↗
08/28/2026M00569104-I1Open ↗
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
05/08/2017123090136Open ↗
▸Trade Schedules & Equipment4
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE3
06/08/2017122893896Open ↗
05/08/2017123090136Open ↗
09/29/2016122893896Open ↗
▸BISSCHEDULE B - PLUMBING1
05/18/2009120038351Open ↗
▸Safety & Tenant Protection10
▸BISANTI-HARASSMENT CHECKLIST: CLINTON4
05/08/2017123090136Open ↗
10/05/2016122893896Open ↗
10/05/2016122893887Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWHPD-2: Clinton Special District Anti-Harassment Checklist4
08/13/2026M00569104-I1Open ↗
08/13/2026M00560305-P1Open ↗
08/13/2026M00560305-I1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWCertificate of No Harassment2
08/13/2026M00569104-P1Open ↗
08/13/2026M00569104-I1Open ↗
▸Environmental & Asbestos7
▸DOB NOWDEP ACP-5: Asbestos Assessment Report4
08/13/2026M00560305-I1Open ↗
08/13/2026M00560305-P1Open ↗
08/13/2026M00569104-P1Open ↗
Showing 3 of 4 on file for this type
▸BISASBESTOS: CERTIFICATION (DEP ACP5)2
10/05/2016122893896Open ↗
10/05/2016122893887Open ↗
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'1
05/18/2009120038351Open ↗
▸Energy Compliance4
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS3
09/29/2016122893887Open ↗
09/29/2016122893887Open ↗
09/29/2016122893896Open ↗
▸DOB NOWEN2: As Built Energy Analysis.1
08/13/2026M00569104-I1Open ↗
▸Inspections & Test Reports2
▸BISTECHNICAL REPORT: RESPONSIBILITY1
03/16/2023120038351Open ↗
▸BISFIRE-RESISTANT PENETRATIONS AND JOINTS (FIRESTOP)1
03/16/2023120038351Open ↗
▸Approvals, Objections & Sign-offs4
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST2
03/17/2023120038351Open ↗
09/22/2017121276859Open ↗
▸BISFINAL1
03/16/2023120038351Open ↗
▸BISADMINISTRATIVE OBJECTIONS1
05/18/2009120038351Open ↗
▸Cost, Insurance & Ownership6
▸BISCOST AFFIDAVIT5
09/22/2017121276859Open ↗
05/08/2017123090136Open ↗
09/29/2016122893887Open ↗
Showing 3 of 5 on file for this type
▸BISCOST AFFIDAVIT (FINAL): PW31
03/16/2023120038351Open ↗
▸Filing & Intake Forms7
▸BISEFILING COVER SHEET4
05/08/2017123090136Open ↗
09/29/2016122893887Open ↗
09/29/2016122893896Open ↗
Showing 3 of 4 on file for this type
▸BISADDITIONAL INFORMATION2
10/21/2021120038351Open ↗
06/12/2017122893896Open ↗
▸BISBOROUGH INTAKE FORM1
09/22/2017121276859Open ↗
▸Other Documents1
▸BISFIRE SUPP ANSUL APPROVL: FD-FSS1
09/22/2017121276859Open ↗