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Converted dwellings or rooming house
20 EAST 66 STREET
MANHATTAN · Upper East Side-Carnegie Hill · BIN 1041151
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1876Year Built
5Stories
C5Building Class
R8BZoning
7,436 sfGross Floor Area
10Units
Rent Stabilized9 Open Violations ▸
Converted dwellings or rooming house · Owner of record: 20 E 66 STREET LLC · 2,008 sf lot · 3.7 FAR built · Flood zone X
Locations of Work
ArchitecturePlumbingFire Protection
Floor 312p · 2 filings · 20 docs
Floor 23p · 1 filing · 8 docs
Floor 1
Cellar14p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
EMPIRE EQUITIES1307/08/2026
20 E 66TH ST203/21/2026
20 E 66 STREET LLC103/22/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
CAVALRY ASSOCIATES607/19/2023
AM ARCHITECTURE PLLC207/15/2021
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
PWF203/21/2026
CAVALRY MANAGEMENT1003/21/2026
CAVALRY LLC203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
BABICH, ETTOREElectrical103/21/2026
CADOGAN, JOELElectrical103/21/2026
CLIFFORD, NICHOLASElectrical103/21/2026
D & W ELECTRICAL CONT CORElectrical103/22/2026
CAVALRY LLCGeneral Contractor107/08/2026
L&J PLG & HTG CO OF NY INPlumbing107/08/2026
M & M PIPING AND HEATINGPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
M. INT'L ENGINEERING PLLC3129507/19/2023
Building Lifecycle
All (94)Filed (8)Permit Issued (3)Signed Off (3)Violation (59)Inspection (6)Special Inspection (15)
08/06/2026
Violation issued (HPD, open)
B
08/06/2026
Violation issued (HPD, open)
C
08/06/2026
Violation issued (HPD, open)
B
04/29/2026
Violation issued (HPD, closed)
A
12/04/2023
Violation issued (HPD, open)
C
12/04/2023
Violation issued (HPD, closed)
C
12/04/2023
Violation issued (HPD, closed)
C
11/13/2023
Violation issued (HPD, closed)
A
11/13/2023
Violation issued (HPD, closed)
C
11/13/2023
Violation issued (HPD, closed)
C
11/08/2023
Violation issued (HPD, closed)
C
11/08/2023
Violation issued (HPD, closed)
C
11/04/2023
Violation issued (HPD, open)
C
11/04/2023
Violation issued (HPD, closed)
C
08/22/2023
Signed off — Alteration
PLUMBING FILING WITH MINOR SPRINKLER WORK IN CONJUNCTION WITH ALT2 APPLICATION M00660800. PROPOSED NEW WASHERS AND DRYERS IN THE CELLAR AND NEW PLUMBING FIXTURES IN APARTMENT 3C. PROPOSED NEW SPRINKLER HEADS FOR CELLAR LAUNDRY DRYERS.
M00695255-I1
07/20/2023
Special inspection requirement — Post-installed Anchors
NANIK MASSAND
07/20/2023
Special inspection requirement — Sprinkler Systems
NANIK MASSAND
07/20/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
NANIK MASSAND
07/19/2023
Filed — Alteration
PLUMBING FILING WITH MINOR SPRINKLER WORK IN CONJUNCTION WITH ALT2 APPLICATION M00660800. PROPOSED NEW WASHERS AND DRYERS IN THE CELLAR AND NEW PLUMBING FIXTURES IN APARTMENT 3C. PROPOSED NEW SPRINKLER HEADS FOR CELLAR LAUNDRY DRYERS.
M00695255-P4
06/29/2023
Violation issued (HPD, closed)
C
06/05/2023
Special inspection requirement — Post-installed Anchors
NANIK MASSAND
06/05/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
NANIK MASSAND
06/05/2023
Special inspection requirement — Sprinkler Systems
NANIK MASSAND
05/16/2023
Signed off — Alteration
M00660800-I1
02/20/2023
Violation issued (HPD, closed)
C
02/20/2023
Violation issued (HPD, closed)
C
01/08/2023
Violation issued (HPD, closed)
C
01/08/2023
Violation issued (HPD, closed)
A
01/08/2023
Violation issued (HPD, closed)
A
01/08/2023
Violation issued (HPD, closed)
C
11/11/2022
Filed — Alteration
PLUMBING FILING WITH MINOR SPRINKLER WORK IN CONJUNCTION WITH ALT2 APPLICATION M00660800. PROPOSED NEW WASHERS AND DRYERS IN THE CELLAR AND NEW PLUMBING FIXTURES IN APARTMENT 3C. PROPOSED NEW SPRINKLER HEADS FOR CELLAR LAUNDRY DRYERS.
M00695255-P3
11/10/2022
Special inspection requirement — Post-installed Anchors
NANIK MASSAND
11/10/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
NANIK MASSAND
11/10/2022
Special inspection requirement — Sprinkler Systems
NANIK MASSAND
11/01/2022
Filed — Alteration
PLUMBING FILING WITH MINOR SPRINKLER WORK IN CONJUNCTION WITH ALT2 APPLICATION M00660800. PROPOSED NEW WASHERS AND DRYERS IN THE CELLAR AND NEW PLUMBING FIXTURES IN APARTMENT 3C. PROPOSED NEW SPRINKLER HEADS FOR CELLAR LAUNDRY DRYERS.
M00695255-P2
10/28/2022
Special inspection requirement — Sprinkler Systems
NANIK MASSAND
10/28/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
NANIK MASSAND
10/28/2022
Special inspection requirement — Post-installed Anchors
NANIK MASSAND
10/07/2022
Violation issued (HPD, closed)
B
09/19/2022
Filed — Alteration
PLUMBING FILING WITH MINOR SPRINKLER WORK IN CONJUNCTION WITH ALT2 APPLICATION M00660800. PROPOSED NEW WASHERS AND DRYERS IN THE CELLAR AND NEW PLUMBING FIXTURES IN APARTMENT 3C. PROPOSED NEW SPRINKLER HEADS FOR CELLAR LAUNDRY DRYERS.
M00695255-P1
09/19/2022
Special inspection requirement — Post-installed Anchors
NANIK MASSAND
09/19/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
NANIK MASSAND
09/19/2022
Special inspection requirement — Sprinkler Systems
NANIK MASSAND
09/13/2022
Inspection — Certified Sprinkler (PL)-Sprinkler-Hydro
Certified
View inspection ↗
09/13/2022
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
08/29/2022
Inspection — Certified Sprinkler (PL)-SP-Fixtures (PL)-Finish
Certified
View inspection ↗
08/29/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
06/13/2022
Permit issued — Plumbing
M00695255-I1-PL
06/07/2022
Permit issued — General Construction
M00660800-I1-GC
05/24/2022
Filed — Alteration
PLUMBING FILING WITH MINOR SPRINKLER WORK IN CONJUNCTION WITH ALT2 APPLICATION M00660800. PROPOSED NEW WASHERS AND DRYERS IN THE CELLAR AND NEW PLUMBING FIXTURES IN APARTMENT 3C. PROPOSED NEW SPRINKLER HEADS FOR CELLAR LAUNDRY DRYERS.
M00695255-I1
02/15/2022
Filed — Alteration
M00660800-I1
02/13/2022
Violation issued (HPD, closed)
B
02/13/2022
Violation issued (HPD, closed)
A
02/13/2022
Violation issued (HPD, closed)
A
12/18/2021
Violation issued (HPD, closed)
B
12/18/2021
Violation issued (HPD, closed)
B
08/10/2021
Signed off — Alteration
REPLACE SHOWER, TOILET AND LAVATORY FIXTURES ON SECOND FLOOR FOR APARTMENT 2A BATHROOM NO CHANGE IN USE, OCCUPANCY OR EGRESS
M00506042-I1
08/02/2021
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
07/15/2021
Filed — Alteration
REPLACE SHOWER, TOILET AND LAVATORY FIXTURES ON SECOND FLOOR FOR APARTMENT 2A BATHROOM NO CHANGE IN USE, OCCUPANCY OR EGRESS
M00506042-P1
07/14/2021
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
Latest 60 of 94 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingSigned-offM & M PIPING AND HEATING06/13/2022
DOB NOWGeneral ConstructionSigned-offCAVALRY LLC06/07/2022
DOB NOWPlumbingSigned-offL&J PLG & HTG CO OF NY IN06/04/2021
BISFBISSUEDMMI MECHANICAL, INC03/15/2018
3 projects · most recent 07/11/2022
General Wiring
FiledStatusContractorScope
07/11/2022CompleteD & W ELECTRICAL CONT CORGeneral Wiring
06/16/2022Permit IssuedMARTIN DORKINGeneral Wiring
03/31/2021Permit IssuedAMRA ELECTRICAL CORPGeneral Wiring
▾Field Inspections (DOB CAP) — 6
DateTypeResultReport
09/13/2022Certified Sprinkler (PL)-Sprinkler-HydroCertifiedView ↗
09/13/2022Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
08/29/2022Certified Sprinkler (PL)-SP-Fixtures (PL)-FinishCertifiedView ↗
08/29/2022Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
08/02/2021Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
07/14/2021Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 15
DateRequirementInspectorRole
07/20/2023Post-installed AnchorsNANIK MASSANDspecial
07/20/2023Sprinkler SystemsNANIK MASSANDspecial
07/20/2023Fire-Resistant Penetrations and JointsNANIK MASSANDspecial
06/05/2023Post-installed AnchorsNANIK MASSANDspecial
06/05/2023Fire-Resistant Penetrations and JointsNANIK MASSANDspecial
06/05/2023Sprinkler SystemsNANIK MASSANDspecial
11/10/2022Post-installed AnchorsNANIK MASSANDspecial
11/10/2022Fire-Resistant Penetrations and JointsNANIK MASSANDspecial
11/10/2022Sprinkler SystemsNANIK MASSANDspecial
10/28/2022Sprinkler SystemsNANIK MASSANDspecial
10/28/2022Fire-Resistant Penetrations and JointsNANIK MASSANDspecial
10/28/2022Post-installed AnchorsNANIK MASSANDspecial
09/19/2022Post-installed AnchorsNANIK MASSANDspecial
09/19/2022Fire-Resistant Penetrations and JointsNANIK MASSANDspecial
09/19/2022Sprinkler SystemsNANIK MASSANDspecial
▾Documents — 66 on file (BIS + DOB NOW)
▸Plans & Drawings8
▸DOB NOWPlans/Sketch8
09/03/2026M00506042-I1Request digital key ↗
09/03/2026M00506042-P1Request digital key ↗
09/02/2026M00660800-I1Request digital key ↗
Showing 3 of 8 on file for this type
▸Applications & Permits13
▸DOB NOWLPC Approval/Permit8
08/13/2026M00695255-P4Open ↗
08/13/2026M00695255-I1Open ↗
08/13/2026M00695255-P3Open ↗
Showing 3 of 8 on file for this type
▸BISWORK PERMIT APPLICATION3
03/09/2018140746968Open ↗
03/09/2018140746968Open ↗
10/22/2010120496702Open ↗
▸BISPLAN / WORK APPROVAL APPLICATION2
03/09/2018140746968Open ↗
10/18/2010120496702Open ↗
▸Seals & Professional Certifications19
▸DOB NOWDPL-1: Design Professional Seal & Signature8
09/02/2026M00660800-I1Open ↗
09/02/2026M00695255-P3Open ↗
09/02/2026M00695255-P2Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature5
09/01/2026M00695255-P2Open ↗
08/31/2026M00695255-P3Open ↗
08/28/2026M00695255-P4Open ↗
Showing 3 of 5 on file for this type
▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1
03/09/2018140746968Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
03/09/2018140746968Open ↗
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
10/18/2010120496702Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
03/09/2018140746968Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM1
10/18/2010120496702Open ↗
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION1
08/10/2018140746968Open ↗
▸Trade Schedules & Equipment3
▸BISSCHEDULE B - PLUMBING1
10/18/2010120496702Open ↗
▸BISSCHEDULE C - HEATING & COMBUSTION EQUIPMENT1
03/09/2018140746968Open ↗
▸BISBOILERS - SUPPORTING DOCUMENTATION1
08/10/2018140746968Open ↗
▸Safety & Tenant Protection1
▸BISTENANT PROTECTION PLAN AND NOTES1
03/09/2018140746968Open ↗
▸Environmental & Asbestos10
▸DOB NOWDEP ACP-5: Asbestos Assessment Report8
09/02/2026M00660800-I1Open ↗
09/02/2026M00695255-P2Open ↗
09/02/2026M00695255-P1Open ↗
Showing 3 of 8 on file for this type
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'1
10/18/2010120496702Open ↗
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
03/09/2018140746968Open ↗
▸Energy Compliance3
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1
03/09/2018140746968Open ↗
▸BISAS-BUILT ENERGY ANALYSIS1
08/10/2018140746968Open ↗
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS1
08/10/2018140746968Open ↗
▸Inspections & Test Reports1
▸BISTECHNICAL REPORT: RESPONSIBILITY1
03/09/2018140746968Open ↗
▸Approvals, Objections & Sign-offs3
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1
08/10/2018140746968Open ↗
▸BISLANDMARKS APPROVAL1
03/09/2018140746968Open ↗
▸BISADMINISTRATIVE OBJECTIONS1
10/18/2010120496702Open ↗
▸Cost, Insurance & Ownership2
▸BISCOST AFFIDAVIT2
08/10/2018140746968Open ↗
03/09/2018140746968Open ↗
▸Filing & Intake Forms3
▸BISBOROUGH INTAKE FORM1
08/10/2018140746968Open ↗
▸BISEFILING COVER SHEET1
10/18/2010120496702Open ↗
▸BISEFILING JOB APPLICATION COVER SHEET1
03/09/2018140746968Open ↗