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Public elementary, junior or senior high
P.S. 20 Clinton Hill
255 ADELPHI STREET · BIN 3058531
💬 Discuss this project
1951Year Built
4Stories
W1Building Class
R6BZoning
100,674 sfGross Floor Area
1Units
LL97 Covered13 Open Violations 0 unresolved · 13 paperwork only ▸FDNY Report ↗
Public elementary, junior or senior high · Owner of record: NYC DEPARTMENT OF PARKS AND RECREATION · 115,400 sf lot · 0.87 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralElectricalPlumbingFire ProtectionGeneral
Permit Issued — active, not yet Signed-off
RoofUnder Construction185p · 3 filings · 20 docs
Floor 3Under Construction117p · 1 filing · 20 docs
Floor 2Under Construction125p · 1 filing · 20 docs
Floor 1Under Construction128p · 1 filing · 20 docs
Sub-BasementUnder Construction113p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
NYC SCHOOL CONSTRUCTION AUTHORITY4209/17/2026
NYC DEPARTMENT OF PARKS AND RECREATION103/22/2026
DEPARTMENT OF EDUCATION2403/22/2026
DEPT OF EDUCATION PS20703/22/2026
DOE PS 20 CLINTON HIL040203/22/2026
DOE 0401303/22/2026
DOE PS 20 040203/22/2026
DOE PS 020 040103/22/2026
DEPT. OF EDUCATION 0403/22/2026
DOE P.S 20403/22/2026
▾Design Consultants (Architect / Engineer of Record)
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
CASO ASSOCIATES2603/21/2026
DSENY ENGINEERING SERVICES1003/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
FRANCIS RICHARDSElectrical1003/21/2026
RAVEN CONSTRUCTION SERVICGeneral Contractor809/12/2026
ADAM'S EUROPEAN CONTRACTINGGeneral Contractor408/27/2026
V. C. VITANZA SONS INCPlumbing409/17/2026
V. C. VITANZA SONS INCFire Protection108/27/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
TWIN PEAKS INC.3171603/26/2026
Building Lifecycle
All (155)Filed (19)Permit Issued (17)Violation (60)Inspection (1)Objection (28)Special Inspection (30)
09/16/2026
Permit issued — Plumbing
B00883288-S1-PL
09/16/2026
Permit issued — Plumbing
B00940640-S1-PL
09/10/2026
Permit issued — Sidewalk Shed
B01253232-I1-SH
08/26/2026
Permit issued — General Construction
B00940640-I1-GC
08/26/2026
Permit issued — General Construction
B00940640-S5-GC
08/26/2026
Permit issued — Plumbing
B00940640-S1-PL
08/26/2026
Permit issued — Sprinklers
B00940640-S6-EW-SP
07/29/2026
Permit issued — Construction Fence
B01253221-I1-FN
07/29/2026
Permit issued — Supported Scaffold
B01253236-I1-SF
06/15/2026
Permit issued — Sidewalk Shed
B01253232-I1-SH
04/24/2026
Permit issued — General Construction
B01026926-I1-GC
03/26/2026
Filed — Alteration
SF/PS20K - FOR TEMPORARY CONSTRUCTION EQUIPMENT(SCAFFOLD) SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO DOB # B00883288 ,B00940640 , NO CHANGE IN USE, OCCUPANCY OR EGRESS
B01253236-P1
03/26/2026
Special inspection requirement — Post-installed Anchors
MAXIM KORNGOLD
03/20/2026
Permit issued — Sidewalk Shed
B01253232-I1-SH
03/05/2026
Violation issued (ECB, open)
Construction
03/05/2026
Violation issued (ECB, open)
Construction
03/05/2026
Violation issued (ECB, open)
Construction
03/05/2026
Violation issued (ECB, open)
Construction
03/05/2026
Violation issued (ECB, open)
Construction
01/16/2026
Permit issued — Plumbing
B00883288-S1-PL
01/09/2026
Permit issued — General Construction
B00883288-I1-GC
01/08/2026
Permit issued — Supported Scaffold
B01253236-I1-SF
01/05/2026
Objection resolved — Addressed
01/05/2026
Objection resolved — Addressed
12/29/2025
Permit issued — Construction Fence
B01253221-I1-FN
12/16/2025
Filed — Alteration
FN/PS20K - FOR TEMPORARY CONSTRUCTION EQUIPMENT(FENCE) SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO DOB # B00883288 ,B00940640 ,B01026926. B01270837 NO CHANGE IN USE, OCCUPANCY OR EGRESS
B01253221-P1
11/21/2025
Objection raised — Other
10/24/2025
Permit issued — Sidewalk Shed
B01253232-I1-SH
10/21/2025
Violation issued (FDNY_NOV, closed)
09/16/2025
Filed — Alteration
B01270837-I1
09/10/2025
Objection resolved — Addressed
09/03/2025
Violation issued (FDNY_ORDER, closed)
08/28/2025
Objection raised — Other
08/28/2025
Objection raised — Other
08/25/2025
Filed — Alteration
SF/PS20K - FOR TEMPORARY CONSTRUCTION EQUIPMENT(SCAFFOLD) SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO DOB # B00883288 ,B00940640 , NO CHANGE IN USE, OCCUPANCY OR EGRESS
B01253236-I1
08/25/2025
Filed — Alteration
SH/PS20K - FOR TEMPORARY CONSTRUCTION EQUIPMENT(SHED) SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO DOB # B00883288 ,B00940640 , NO CHANGE IN USE, OCCUPANCY OR EGRESS
B01253232-I1
08/25/2025
Filed — Alteration
FN/PS20K - FOR TEMPORARY CONSTRUCTION EQUIPMENT(FENCE) SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO DOB # B00883288 ,B00940640 ,B01026926. B01270837 NO CHANGE IN USE, OCCUPANCY OR EGRESS
B01253221-I1
04/14/2025
Violation issued (ECB, open)
Construction
04/14/2025
Violation issued (ECB, open)
Construction
03/14/2025
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
01/14/2025
Violation issued (FDNY_ORDER, closed)
01/14/2025
Violation issued (FDNY_ORDER, closed)
01/14/2025
Violation issued (FDNY_ORDER, closed)
01/14/2025
Violation issued (FDNY_ORDER, closed)
08/16/2024
Objection resolved — Addressed
08/16/2024
Objection resolved — Addressed
07/08/2024
Special inspection requirement — Post-installed Anchors
MIKHAIL ZEYGMAN
07/08/2024
Special inspection requirement — Structural Steel - Welding
MIKHAIL ZEYGMAN
07/08/2024
Special inspection requirement — Structural Steel - Details
MIKHAIL ZEYGMAN
07/08/2024
Special inspection requirement — Masonry
MIKHAIL ZEYGMAN
07/08/2024
Special inspection requirement — Structural Steel - High Strength Bolting
MIKHAIL ZEYGMAN
07/08/2024
Special inspection requirement — Concrete - Cast-In-Place
MIKHAIL ZEYGMAN
04/22/2024
Special inspection requirement — Fenestration areas
MIKHAIL ZEYGMAN
04/22/2024
Special inspection requirement — Insulation placement and R values
MIKHAIL ZEYGMAN
04/22/2024
Special inspection requirement — Fenestration air leakage
MIKHAIL ZEYGMAN
04/22/2024
Special inspection requirement — Fenestration and door U-factor and product ratings
MIKHAIL ZEYGMAN
04/22/2024
Special inspection requirement — Air barrier - visual inspection
MIKHAIL ZEYGMAN
04/18/2024
Special inspection requirement — Energy Code Compliance Inspections
MIKHAIL ZEYGMAN
04/08/2024
Objection raised — Other
04/08/2024
Objection raised — Other
Latest 60 of 155 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingPermit IssuedV. C. VITANZA SONS INC09/16/2026
DOB NOWPlumbingPermit IssuedV. C. VITANZA SONS INC09/16/2026
DOB NOWSidewalk ShedPermit IssuedRAVEN CONSTRUCTION SERVIC09/10/2026
DOB NOWGeneral ConstructionPermit IssuedADAM'S EUROPEAN CONTRACTING08/26/2026
DOB NOWGeneral ConstructionPermit IssuedADAM'S EUROPEAN CONTRACTING08/26/2026
DOB NOWPlumbingPermit IssuedV. C. VITANZA SONS INC08/26/2026
DOB NOWSprinklersPermit IssuedV. C. VITANZA SONS INC08/26/2026
DOB NOWConstruction FencePermit IssuedRAVEN CONSTRUCTION SERVIC07/29/2026
DOB NOWSupported ScaffoldPermit IssuedRAVEN CONSTRUCTION SERVIC07/29/2026
DOB NOWSidewalk ShedPermit IssuedRAVEN CONSTRUCTION SERVIC06/15/2026
DOB NOWGeneral ConstructionPermit IssuedADAM'S EUROPEAN CONTRACTING04/24/2026
DOB NOWSidewalk ShedPermit IssuedRAVEN CONSTRUCTION SERVIC03/20/2026
DOB NOWPlumbingPermit IssuedV. C. VITANZA SONS INC01/16/2026
DOB NOWGeneral ConstructionPermit IssuedADAM'S EUROPEAN CONTRACTING01/09/2026
DOB NOWSupported ScaffoldPermit IssuedRAVEN CONSTRUCTION SERVIC01/08/2026
DOB NOWConstruction FencePermit IssuedRAVEN CONSTRUCTION SERVIC12/29/2025
DOB NOWSidewalk ShedPermit IssuedRAVEN CONSTRUCTION SERVIC10/24/2025
BISOTISSUEDDIA GENERAL CONTRUCTION I09/03/2019
BISOTISSUEDVOLMAR CONSTRUCTION INC03/21/2016
BISOTISSUEDVOLMAR CONSTRUCTION INC03/21/2016
BISOTISSUEDLINEAR CONTRACTING INC07/01/2014
BISOTISSUEDVOLMAR CONSTRUCTION INC11/21/2013
BISOTRE-ISSUEDKEL-TECH CONSTRUCTION INC11/20/2012
BISOTISSUEDKEL-TECH CONSTRUCTION INC11/20/2012
BISOTISSUEDGENESUS ONE ENTERPR INC06/06/2012
BISPLISSUEDVARSITY PLBG AND HTG INC03/01/2012
BISOTISSUEDKEL-TECH CONSTRUCTION INC03/01/2012
BISEQISSUEDKEL-TECH CONSTRUCTION INC03/01/2012
BISOTISSUEDKEL-TECH CONSTRUCTION INC03/01/2012
BISEQISSUEDKEL-TECH CONSTRUCTION INC02/22/2012
BISEQISSUEDKEL-TECH CONSTRUCTION INC02/22/2012
BISOTISSUEDVOLMAR CONSTRUCTION INC02/07/2012
BISPLISSUEDADAMJOHN & SONS CORP02/07/2012
BISPLISSUEDP.A.C. HEATING INC10/11/2011
BISOTISSUEDASHNU INTERNATIONAL INC10/06/2011
BISPLISSUEDP.A.C. HEATING INC08/10/2010
BISPLISSUEDDEWATERS PBG&HTGLLC06/30/2010
BISOTISSUEDASHNU INTERNATIONAL INC06/25/2010
BISOTISSUEDWHITESTONE CONSTRUCTION CORP03/16/2010
BISEQISSUEDWHITESTONE CONSTRUCTION CORP06/24/2009
+ 5 more permits on file
2 projects · most recent 10/12/2023
Heating and Air Conditioning Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
10/12/2023Permit IssuedADAM'S EUROPEAN CONTRACTIHeating and Air Conditioning Systems, Ventilation Systems—
09/14/2023Permit IssuedADAM'S EUROPEAN CONTRACTIHeating and Air Conditioning Systems, Ventilation Systems
Heat / Cool
Mitsubishi Electric MITSUBISHI PKFY-P12NLMU 13,500 BTU · Vrf Indoor ×2
MITSUBISHI PUZ-A24NHA47 26,000 BTU · Heat Pump Outdoor ×1
Ventilation
Greenheck CUBE-300 7,000 CFM · Kitchen Exhaust ×1
1 project · most recent 10/12/2023
Sprinkler System
FiledStatusContractorScope
10/12/2023Permit IssuedV. C. VITANZA SONS INCSprinkler System
3 projects · most recent 04/02/2024
Water/Sanitary Storm
FiledStatusContractorScope
04/02/2024——Water/Sanitary
10/12/2023Permit IssuedV. C. VITANZA SONS INCStorm, Water/Sanitary
09/14/2023Permit IssuedV. C. VITANZA SONS INCStorm
16 projects · most recent 01/28/2026
General Wiring
FiledStatusContractorScope
01/28/2026Permit IssuedKLK ELECTRIC, INC—
09/03/2025Permit IssuedKLK ELECTRIC, INC—
07/08/2025Permit IssuedJ.H.I. ELECTRIC LLCGeneral Wiring
02/14/2025CompleteCHARAN ELEC'L ENTERP'S IN—
09/23/2022CompleteGEMINI ELECTRIC CO., INC.—
07/25/2022CompleteTRIBECA ELECTRICAL CORPGeneral Wiring
05/13/2022CompleteABM ELECTRIC, INC—
12/27/2021CompleteABM ELECTRIC, INC—
07/15/2021CompleteABM ELECTRIC, INC—
07/12/2021CompleteABM ELECTRIC, INC—
10/09/2020CompleteCHARAN ELEC'L ENTERP'S IN—
09/13/2019CompleteANCO ELECTL CONTCTNG INCGeneral Wiring
09/05/2019Permit IssuedA & S ELECTRIC INC.General Wiring
06/12/2019CompleteLASER ELEC'L CONTR'G INC—
12/13/2018CompleteMOHAB ELECT'L CONTR'G CORGeneral Wiring
1 project · most recent 10/12/2023
Steel Concrete
FiledStatusContractorScope
10/12/2023Permit IssuedV. C. VITANZA SONS INCSteel, Concrete
3 projects · most recent 03/26/2026
Scaffold Fence Sidewalk Shed
FiledStatusContractorScope
03/26/2026Permit IssuedRAVEN CONSTRUCTION SERVICScaffold
12/16/2025Permit IssuedRAVEN CONSTRUCTION SERVICFence
08/25/2025Permit IssuedRAVEN CONSTRUCTION SERVICSidewalk Shed
▾Field Inspections (DOB CAP) — 1
DateTypeResultReport
03/14/2025Certified Gas-Gas-Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 67
DateRequirementInspectorRole
03/26/2026Post-installed AnchorsMAXIM KORNGOLDspecial
07/08/2024Post-installed AnchorsMIKHAIL ZEYGMANspecial
07/08/2024MasonryMIKHAIL ZEYGMANspecial
07/08/2024Structural Steel - WeldingMIKHAIL ZEYGMANspecial
07/08/2024Structural Steel - DetailsMIKHAIL ZEYGMANspecial
07/08/2024Structural Steel - High Strength BoltingMIKHAIL ZEYGMANspecial
07/08/2024Concrete - Cast-In-PlaceMIKHAIL ZEYGMANspecial
04/22/2024Fenestration areasMIKHAIL ZEYGMANenergy_progress
04/22/2024Insulation placement and R valuesMIKHAIL ZEYGMANenergy_progress
04/22/2024Fenestration and door U-factor and product ratingsMIKHAIL ZEYGMANenergy_progress
04/22/2024Fenestration air leakageMIKHAIL ZEYGMANenergy_progress
04/22/2024Air barrier - visual inspectionMIKHAIL ZEYGMANenergy_progress
04/18/2024Energy Code Compliance InspectionsMIKHAIL ZEYGMANprogress
04/02/2024Fire-Resistant Penetrations and JointsMIKHAIL ZEYGMANspecial
03/29/2024Fire-Resistance Rated ConstructionMIKHAIL ZEYGMANprogress
03/29/2024MasonryMIKHAIL ZEYGMANspecial
03/28/2024Structural Stability – Alterations of existing buildingsMIKHAIL ZEYGMANspecial
03/28/2024FinalMIKHAIL ZEYGMANprogress
01/18/2024Electrical motors and elevatorsMIKHAIL ZEYGMANenergy_progress
10/12/2023Subgrade InspectionsMIKHAIL ZEYGMANspecial
10/12/2023Sprayed fire-resistant materialsMIKHAIL ZEYGMANspecial
10/11/2023Subsurface Investigations (Borings/Test Pits)ROBERT CARAVELLAspecial
09/27/2023Sprinkler SystemsMIKHAIL ZEYGMANspecial
09/27/2023FinalMIKHAIL ZEYGMANprogress
09/27/2023Lighting controlsMIKHAIL ZEYGMANenergy_progress
Latest 25 of 67.
▾Documents — 219 on file (BIS + DOB NOW)
▸Plans & Drawings19
▸DOB NOWPlans/Sketch19
08/26/2026B00883288-S1Request digital key ↗
08/26/2026B00883288-S2Request digital key ↗
08/26/2026B00883288-I1Request digital key ↗
Showing 3 of 19 on file for this type
▸Applications & Permits15
▸DOB NOWLPC Approval/Permit13
08/26/2026B00940640-S1Open ↗
08/26/2026B00940640-I1Open ↗
08/13/2026B01026926-I1Open ↗
Showing 3 of 13 on file for this type
▸BISPLAN / WORK APPROVAL APPLICATION1
07/10/2019340687457Open ↗
▸BISWORK PERMIT APPLICATION1
09/03/2019340687457Open ↗
▸Zoning, Tax Lot & Property Records1
▸DOB NOWZD1: DOB Zoning Diagram1
08/26/2026B00940640-I1Open ↗
▸Seals & Professional Certifications89
▸DOB NOWProgress Inspector Seal & Signature35
09/01/2026B00940640-S4Open ↗
09/01/2026B00940640-S4Open ↗
09/01/2026B00940640-I1Open ↗
Showing 3 of 35 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature32
09/01/2026B00940640-S4Open ↗
09/01/2026B00940640-S4Open ↗
09/01/2026B00940640-S4Open ↗
Showing 3 of 32 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature19
08/26/2026B00883288-I1Open ↗
08/26/2026B00883288-S1Open ↗
08/26/2026B00883288-S2Open ↗
Showing 3 of 19 on file for this type
▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1
07/10/2019340687457Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
07/10/2019340687457Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
07/10/2019340687457Open ↗
▸Safety & Tenant Protection5
▸DOB NOWNYCSCA - Approved Site Safety Plans5
08/20/2026B01253221-I1Open ↗
08/13/2026B01253236-P1Open ↗
08/13/2026B01253221-P1Open ↗
Showing 3 of 5 on file for this type
▸Environmental & Asbestos1
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
07/10/2019340687457Open ↗
▸Inspections & Test Reports4
▸BISTECHNICAL REPORT: RESPONSIBILITY2
07/26/2019340687457Open ↗
07/10/2019340687457Open ↗
▸DOB NOWTR4 Test Report and Plot Diagram1
08/13/2026B00940640-S4Open ↗
▸DOB NOWSOIL REPORT1
08/13/2026B00940640-S4Open ↗
▸Approvals, Objections & Sign-offs59
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter19
08/26/2026B00940640-S1Open ↗
08/26/2026B00940640-I1Open ↗
08/20/2026B01253221-I1Open ↗
Showing 3 of 19 on file for this type
▸DOB NOWDesign Commission Approval City Owned (Exterior Work)18
08/26/2026B00940640-S1Open ↗
08/26/2026B00940640-I1Open ↗
08/20/2026B01253221-I1Open ↗
Showing 3 of 18 on file for this type
▸DOB NOWDesign Commission Sign Off City Owned (Exterior Work)13
08/26/2026B00940640-S1Open ↗
08/26/2026B00940640-I1Open ↗
08/13/2026B01026926-S2Open ↗
Showing 3 of 13 on file for this type
▸DOB NOWDEP Variance (V5) letter8
08/26/2026B00940640-S3Open ↗
08/26/2026B00940640-S1Open ↗
08/26/2026B00940640-I1Open ↗
Showing 3 of 8 on file for this type
▸BISLANDMARKS APPROVAL1
07/10/2019340687457Open ↗
▸Cost, Insurance & Ownership2
▸BISCIVIL PENALTY AFFADAVIT/REQUEST1
08/30/2019340687457Open ↗
▸BISCOST AFFIDAVIT1
07/10/2019340687457Open ↗
▸Filing & Intake Forms1
▸BISEFILING JOB APPLICATION COVER SHEET1
07/10/2019340687457Open ↗
▸Other Documents23
▸DOB NOWNYCSCA - BCC Plan Examination Transmittal19
08/26/2026B00940640-S1Open ↗
08/26/2026B00940640-I1Open ↗
08/20/2026B01253221-I1Open ↗
Showing 3 of 19 on file for this type
▸DOB NOWPlot Diagram2
08/26/2026B00940640-I1Open ↗
08/13/2026B00940640-S4Open ↗
▸DOB NOWSite Survey: Initial1
08/26/2026B00940640-I1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
08/26/2026B00940640-I1Open ↗