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City residence, one family
451 WEST 21 STREET
MANHATTAN · Chelsea-Hudson Yards · BIN 1012619
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1857Year Built
4Stories
A4Building Class
R7BZoning
4,416 sfGross Floor Area
1Units
4 Open Violations ▸
City residence, one family · 1,646 sf lot · 2.68 FAR built · Flood zone X
Locations of Work
ArchitectureMechanicalPlumbingGeneral
Roof12p · 1 filing · 20 docs
Floor 48p · 2 filings · 20 docs
Floor 36p · 1 filing · 16 docs
Floor 26p · 1 filing · 16 docs
Floor 17p · 2 filings · 20 docs
Cellar20p · 2 filings · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
CORNERSTONE CONSTRUCTION403/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
04/01/2021$5.9M—— → —$1,336/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
SHENTON ARCHITECTS LLP508/07/2023
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
ANZALONE ARCHITECTURE1003/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
JOHN EVAN CONTRACTING CORGeneral Contractor603/21/2026
CORNERSTONE CONSTRUCTIONGeneral Contractor203/21/2026
VMC PLUMBING & HEATING INPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
CROSSCHECK INSPECTION SER544508/07/2023
Building Lifecycle
All (61)Filed (5)Permit Issued (4)Signed Off (1)Violation (4)Inspection (9)Objection (8)Special Inspection (30)
08/05/2024
Signed off — Alteration
Renovate Existing 1 Family Residence. Demolish and Construct Interior Partitions, Finishes, Doors, Cabinetry. Interior Renovations at Cellar and Floors 1-4. Install Split A/C System. Window Replacement.
M00615644-I1
08/18/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
EUGENE BIFULCO
08/18/2023
Special inspection requirement — Fenestration air leakage
EMILY MOTTOLESE
08/18/2023
Special inspection requirement — HVAC-R and service water piping design and insulation
EMILY MOTTOLESE
08/18/2023
Special inspection requirement — Maintenance information
EMILY MOTTOLESE
08/18/2023
Special inspection requirement — HVAC-R and service water heating system controls
EMILY MOTTOLESE
08/18/2023
Special inspection requirement — Lighting in dwelling units
EMILY MOTTOLESE
08/18/2023
Special inspection requirement — Air barrier - visual inspection
EMILY MOTTOLESE
08/18/2023
Special inspection requirement — HVAC-R and service water heating equipment
EMILY MOTTOLESE
08/18/2023
Special inspection requirement — Shutoff dampers
EMILY MOTTOLESE
08/18/2023
Special inspection requirement — Fenestration and door U-factor and product ratings
EMILY MOTTOLESE
08/18/2023
Special inspection requirement — Fire-Resistance Rated Construction
EMILY MOTTOLESE
08/18/2023
Special inspection requirement — Energy Code Compliance Inspections
EMILY MOTTOLESE
08/18/2023
Special inspection requirement — Final
EMILY MOTTOLESE
08/18/2023
Special inspection requirement — Mechanical Systems
EUGENE BIFULCO
08/07/2023
Filed — Alteration
Renovate Existing 1 Family Residence. Demolish and Construct Interior Partitions, Finishes, Doors, Cabinetry. Interior Renovations at Cellar and Floors 1-4. Install Split A/C System. Window Replacement.
M00615644-P2
07/03/2023
Special inspection requirement — HVAC-R and service water piping design and insulation
07/03/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
EUGENE BIFULCO
07/03/2023
Special inspection requirement — Mechanical Systems
EUGENE BIFULCO
07/03/2023
Special inspection requirement — Energy Code Compliance Inspections
EMILY MOTTOLESE
07/03/2023
Special inspection requirement — Final
EMILY MOTTOLESE
07/03/2023
Special inspection requirement — Fire-Resistance Rated Construction
EMILY MOTTOLESE
07/03/2023
Special inspection requirement — Air barrier - visual inspection
07/03/2023
Special inspection requirement — Shutoff dampers
EMILY MOTTOLESE
07/03/2023
Special inspection requirement — Fenestration and door U-factor and product ratings
07/03/2023
Special inspection requirement — Lighting in dwelling units
EMILY MOTTOLESE
07/03/2023
Special inspection requirement — HVAC-R and service water heating system controls
07/03/2023
Special inspection requirement — Fenestration air leakage
07/03/2023
Special inspection requirement — Maintenance information
07/03/2023
Special inspection requirement — HVAC-R and service water heating equipment
02/07/2023
Permit issued — Mechanical Systems
M00615644-I1-GC-CX
02/02/2023
Filed — Alteration
Renovate Existing 1 Family Residence. Demolish and Construct Interior Partitions, Finishes, Doors, Cabinetry. Interior Renovations at Cellar and Floors 1-4. Install Split A/C System. Window Replacement.
M00615644-P1
12/27/2022
Inspection — Fail-Final General Construction Non-Directive 14
Fail
View inspection ↗
12/20/2022
Inspection — Fail-Final General Construction Non-Directive 14
Fail
View inspection ↗
12/14/2022
Inspection — Fail-Final General Construction Non-Directive 14
Fail
View inspection ↗
12/12/2022
Inspection — Fail-Final General Construction Non-Directive 14
Fail
View inspection ↗
11/16/2022
Permit issued — General Construction
M00615644-I1-GC-CX
09/19/2022
Special inspection requirement — Energy Code Compliance Inspections
EMILY MOTTOLESE
09/19/2022
Special inspection requirement — HVAC-R and service water piping design and insulation
EMILY MOTTOLESE
09/14/2022
Filed — Alteration
Plumbing Work filed in conjunction with renovation of existing 1 Family Residence. Install Plumbing Fixtures and related piping.
M00555962-P1
07/12/2022
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
07/12/2022
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
07/12/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
07/12/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
06/17/2022
Violation issued (ECB, open)
Construction
06/17/2022
Violation issued (ECB, open)
Construction
06/17/2022
Violation issued (ECB, open)
Construction
06/01/2022
Inspection — Fail-Final General Construction Non-Directive 14
Fail
View inspection ↗
04/18/2022
Permit issued — Plumbing
M00555962-I1-PL
04/07/2022
Violation issued (ECB, open)
Site Safety
03/18/2022
Permit issued — Mechanical Systems
M00615644-I1-GC-CX
02/17/2022
Objection raised — Fire_Protection
02/17/2022
Objection resolved — Addressed
02/17/2022
Objection raised — Other
02/17/2022
Objection resolved — Addressed
02/02/2022
Objection raised — Scope
02/02/2022
Objection resolved — Addressed
01/25/2022
Objection raised — Scope
01/25/2022
Objection resolved — Addressed
01/14/2022
Filed — Alteration
Plumbing Work filed in conjunction with renovation of existing 1 Family Residence. Install Plumbing Fixtures and related piping.
M00555962-I1
Latest 60 of 61 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offJOHN EVAN CONTRACTING COR02/07/2023
DOB NOWGeneral ConstructionSigned-offJOHN EVAN CONTRACTING COR11/16/2022
DOB NOWPlumbingPermit IssuedM. SPINELLI PLB & HTG INC04/18/2022
DOB NOWMechanical SystemsSigned-offCORNERSTONE CONSTRUCTION03/18/2022
BIS—ISSUEDJESTCOR CONTRACTING INC02/27/2001
BISPLISSUEDGEORGE J WENK PLG & HTG10/07/1997
BISOTRE-ISSUEDJESTCOR CONTRACTING INC04/10/1997
1 project · most recent 09/14/2022
Gas Storm Water/Sanitary
FiledStatusContractorScope
09/14/2022Permit IssuedVMC PLUMBING & HEATING INGas, Storm, Water/Sanitary
1 project · most recent 07/15/2022
General Wiring
FiledStatusContractorScope
07/15/2022Permit IssuedRIGHTWAY ELECTRICAL INCGeneral Wiring
▾Field Inspections (DOB CAP) — 9
DateTypeResultReport
12/27/2022Fail-Final General Construction Non-Directive 14FailView ↗
12/20/2022Fail-Final General Construction Non-Directive 14FailView ↗
12/14/2022Fail-Final General Construction Non-Directive 14FailView ↗
12/12/2022Fail-Final General Construction Non-Directive 14FailView ↗
07/12/2022Certified Gas-Gas-Piping-RoughingCertifiedView ↗
07/12/2022Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
07/12/2022Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
07/12/2022Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
06/01/2022Fail-Final General Construction Non-Directive 14FailView ↗
▾Special Inspection Requirements (DOB NOW) — 48
DateRequirementInspectorRole
08/18/2023Fire-Resistant Penetrations and JointsEUGENE BIFULCOspecial
08/18/2023Fenestration air leakageEMILY MOTTOLESEenergy_progress
08/18/2023HVAC-R and service water piping design and insulationEMILY MOTTOLESEenergy_progress
08/18/2023Maintenance informationEMILY MOTTOLESEenergy_progress
08/18/2023HVAC-R and service water heating system controlsEMILY MOTTOLESEenergy_progress
08/18/2023Lighting in dwelling unitsEMILY MOTTOLESEenergy_progress
08/18/2023Air barrier - visual inspectionEMILY MOTTOLESEenergy_progress
08/18/2023HVAC-R and service water heating equipmentEMILY MOTTOLESEenergy_progress
08/18/2023Shutoff dampersEMILY MOTTOLESEenergy_progress
08/18/2023Fenestration and door U-factor and product ratingsEMILY MOTTOLESEenergy_progress
08/18/2023Fire-Resistance Rated ConstructionEMILY MOTTOLESEprogress
08/18/2023Energy Code Compliance InspectionsEMILY MOTTOLESEprogress
08/18/2023FinalEMILY MOTTOLESEprogress
08/18/2023Mechanical SystemsEUGENE BIFULCOspecial
07/03/2023HVAC-R and service water piping design and insulation—energy_progress
07/03/2023Fire-Resistant Penetrations and JointsEUGENE BIFULCOspecial
07/03/2023Mechanical SystemsEUGENE BIFULCOspecial
07/03/2023Energy Code Compliance InspectionsEMILY MOTTOLESEprogress
07/03/2023FinalEMILY MOTTOLESEprogress
07/03/2023Fire-Resistance Rated ConstructionEMILY MOTTOLESEprogress
07/03/2023Air barrier - visual inspection—energy_progress
07/03/2023Shutoff dampersEMILY MOTTOLESEenergy_progress
07/03/2023Fenestration and door U-factor and product ratings—energy_progress
07/03/2023Lighting in dwelling unitsEMILY MOTTOLESEenergy_progress
07/03/2023HVAC-R and service water heating system controls—energy_progress
Latest 25 of 48.
▾Documents — 47 on file (BIS + DOB NOW)
▸Plans & Drawings5
▸DOB NOWPlans/Sketch5
09/03/2026M00615644-P2Request digital key ↗
09/03/2026M00615644-I1Request digital key ↗
09/03/2026M00615644-P1Request digital key ↗
Showing 3 of 5 on file for this type
▸Applications & Permits5
▸DOB NOWLPC Approval/Permit5
09/03/2026M00615644-P1Open ↗
09/03/2026M00615644-I1Open ↗
08/13/2026M00615644-P2Open ↗
Showing 3 of 5 on file for this type
▸Seals & Professional Certifications30
▸DOB NOWProgress Inspector Seal & Signature17
08/28/2026M00555962-I1Open ↗
08/28/2026M00555962-I1Open ↗
08/25/2026M00615644-P1Open ↗
Showing 3 of 17 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature8
08/28/2026M00555962-I1Open ↗
08/25/2026M00615644-P1Open ↗
08/25/2026M00615644-P1Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature5
09/03/2026M00615644-I1Open ↗
09/03/2026M00615644-P1Open ↗
08/13/2026M00615644-P2Open ↗
Showing 3 of 5 on file for this type
▸Environmental & Asbestos5
▸DOB NOWDEP ACP-5: Asbestos Assessment Report5
09/03/2026M00615644-P1Open ↗
09/03/2026M00615644-I1Open ↗
08/13/2026M00555962-I1Open ↗
Showing 3 of 5 on file for this type
▸Energy Compliance2
▸DOB NOWEN2: As Built Energy Analysis.2
08/13/2026M00615644-I1Open ↗
08/13/2026M00555962-I1Open ↗