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Public elementary, junior or senior high
Brooklyn Preparatory High School
257 NORTH 6TH STREET · BIN 3062135
💬 Discuss this project
1903Year Built
4Stories
W1Building Class
R6BZoning
119,200 sfGross Floor Area
0Units
LL97 Covered7 Active Violations 0 unresolved · 7 paperwork only ▸FDNY Report ↗
Public elementary, junior or senior high · Owner of record: NYC Department of Education · 80,000 sf lot · 1.49 FAR built · Flood zone X
Locations of Work
ArchitectureElectricalMechanicalFire Protection
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
RoofWilliamsburg Prep, New York City Department of Education +1Under Construction9p · 3 filings · 20 docs
Floor 5H.S. 6501 filing · 12 docs
Floor 4H.S. 6501 filing · 12 docs
Floor 3H.S. 6501 filing · 12 docs
Floor 2Williamsburg Prep, H.S. 650Under Construction5p · 2 filings · 20 docs
Floor 1Williamsburg Prep, H.S. 650Under Construction6p · 2 filings · 20 docs
CellarWilliamsburg Prep, H.S. 650Under Construction6p · 2 filings · 20 docs
BasementWilliamsburg Prep, New York City Department of EducationUnder Construction2p · 2 filings · 20 docs
Sub-BasementWilliamsburg Prep, New York City Department of EducationUnder Construction9p · 2 filings · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
NYC School Construction Authority7110/21/2026
NYC Department of Education203/22/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
Lilker Associates Consulting Engineering410/20/2026
NYC School Construction Authority301/23/2026
Homerun Solar112/22/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
Municipal Building Consultants103/21/2026
Angela Rivera203/21/2026
KM Associates of New York103/21/2026
NYC School Construction Authority303/21/2026
K & M Associates103/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
Smart Heating & Coolingspecialty_contractor303/21/2026
A & S ElectricElectrical103/22/2026
Charan Electrical Enterp'sElectrical103/22/2026
Samco ElectricElectrical103/22/2026
AM NY Electricspecialty_contractor104/09/2026
Sunrise Electrical SRVspecialty_contractor107/08/2026
Ace Electrical ConstructionElectrical103/22/2026
Robert Parchment P & HFire Protection107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
Twin Peaks317410/20/2026
Homerun Solar8772112/22/2025
Building Lifecycle
All (104)Filed (8)Permit Issued (4)Violation (60)Inspection (2)Objection (8)Special Inspection (22)
10/20/2026
Filed — Alteration
Installation of new air conditioning system including related, somke detectors, smoke dampers, fans, ductwork, and piping.
B00847868-P1
10/20/2026
Special inspection requirement — Sprinkler Systems
Maxim Korngold
09/17/2026
Inspection — Pass-Final SD - More than 10 Requested Floors
Pass
View inspection ↗
09/09/2026
Inspection — Certified StandPipe-SD-Piping-Hydrostatic Test
Certified
View inspection ↗
08/20/2026
Violation issued (ECB, open)
Construction
06/02/2026
Violation issued (ECB, open)
Construction
03/26/2026
Objection resolved — Addressed
03/18/2026
Objection resolved — Addressed
03/09/2026
Objection resolved — Addressed
02/17/2026
Permit issued — Mechanical Systems
B00847868-I1-MS
02/10/2026
Permit issued — Sprinklers
B00847868-S2-EW-SP
02/06/2026
Permit issued — General Construction
B00847868-S1-GC
02/03/2026
Objection raised — Other
01/28/2026
Objection raised — Other
01/28/2026
Objection raised — Other
01/23/2026
Filed — Alteration
Replacement steam unit heater associated piping with new electric unit and associated power/control wiring. removal of louver and associated abandoned exhaust fan. removal and replacment of louver and associated ductwork, motorized damper and access door.
B01323028-I1
01/23/2026
Filed — Alteration
Replacement steam unit heater associated piping with new electric unit and associated power/control wiring. removal of louver and associated abandoned exhaust fan. removal and replacment of louver and associated ductwork, motorized damper and access door.
B01323028-S1
01/23/2026
Filed — Alteration
Replacement steam unit heater associated piping with new electric unit and associated power/control wiring. removal of louver and associated abandoned exhaust fan. removal and replacment of louver and associated ductwork, motorized damper and access door.
B01323028-S2
01/22/2026
Special inspection requirement — Masonry
01/22/2026
Special inspection requirement — Concrete - Cast-In-Place
01/22/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
01/22/2026
Special inspection requirement — Post-installed Anchors
01/22/2026
Special inspection requirement — Sprayed fire-resistant materials
01/22/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
01/22/2026
Special inspection requirement — Structural Steel - Details
01/22/2026
Special inspection requirement — Structural Steel - High Strength Bolting
01/22/2026
Special inspection requirement — Structural Steel - Welding
01/22/2026
Special inspection requirement — Subsurface Conditions – Fill Placement & In-Place Density
01/22/2026
Special inspection requirement — Energy Code Compliance Inspections
01/22/2026
Special inspection requirement — Fenestration areas
01/22/2026
Special inspection requirement — Fenestration air leakage
01/22/2026
Special inspection requirement — Insulation placement and R values
01/22/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
01/22/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
01/22/2026
Special inspection requirement — Post-installed Anchors
12/22/2025
Filed — Alteration
INSTALLATION OF PHOTOVOLTAIC SOLAR ARRAY ON ROOF INCLUDING ALL RELATED STRUCTURAL WORK AS PER PLANS FILED HEREWITH. NO CHANGETO USE, EGRESS OR OCCUPANCY.
B01276458-I1
12/22/2025
Permit issued — Solar
B01276458-I1-SL
11/21/2025
Special inspection requirement — Final
11/18/2025
Violation issued (FDNY_NOV, closed)
10/21/2025
Violation issued (ECB, open)
Elevators
09/24/2025
Violation issued (FDNY_ORDER, closed)
09/24/2025
Violation issued (FDNY_ORDER, closed)
09/24/2025
Violation issued (FDNY_ORDER, closed)
09/24/2025
Violation issued (FDNY_ORDER, closed)
09/24/2025
Violation issued (FDNY_ORDER, closed)
09/24/2025
Violation issued (FDNY_ORDER, closed)
05/27/2025
Violation issued (ECB, open)
Construction
04/21/2025
Violation issued (ECB, closed)
Construction
12/20/2024
Violation issued (FDNY_ORDER, closed)
12/20/2024
Violation issued (FDNY_ORDER, closed)
12/20/2024
Violation issued (FDNY_ORDER, closed)
12/20/2024
Violation issued (FDNY_ORDER, closed)
12/20/2024
Violation issued (FDNY_ORDER, closed)
12/20/2024
Violation issued (FDNY_ORDER, closed)
12/20/2024
Violation issued (FDNY_ORDER, closed)
12/20/2024
Violation issued (FDNY_ORDER, closed)
12/20/2024
Violation issued (FDNY_ORDER, closed)
12/20/2024
Violation issued (FDNY_ORDER, closed)
12/20/2024
Violation issued (FDNY_ORDER, closed)
12/20/2024
Violation issued (FDNY_ORDER, closed)
Latest 60 of 104 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsPermit IssuedSmart Heating & Cooling02/17/2026
DOB NOWSprinklersPermit IssuedRobert Parchment P & H02/10/2026
DOB NOWGeneral ConstructionPermit IssuedAM NY Electric02/06/2026
DOB NOWSolarPermit IssuedSunrise Electrical SRV12/22/2025
BISPLISSUEDVarsity Plumbing and Heating02/15/2024
BISPLISSUEDVarsity Plumbing and Heating02/01/2023
BISPLISSUEDVarsity Plumbing and Heating01/31/2022
BISOTISSUEDWhitestone Construction03/29/2021
BISOTISSUEDWhitestone Construction03/29/2021
BISPLISSUEDVarsity Plumbing and Heating03/01/2021
BISOTISSUEDWhitestone Construction01/29/2021
BISPLISSUEDVarsity Plumbing and Heating02/07/2020
BISOTISSUEDWhitestone Construction03/29/2019
BISOTISSUEDWhitestone Construction03/29/2019
BISPLISSUEDVarsity Plumbing and Heating02/01/2019
BISOTISSUEDWhitestone Construction03/27/2018
BISOTISSUEDWhitestone Construction03/27/2018
BISPLISSUEDVarsity Plumbing and Heating02/28/2018
BISOTISSUEDLevinson & Santoro Electric06/13/2017
BISOTISSUEDWhitestone Construction04/07/2017
BISOTISSUEDWhitestone Construction04/07/2017
BISEQISSUEDWhitestone Construction03/17/2017
BISEQISSUEDWhitestone Construction03/17/2017
BISEQISSUEDWhitestone Construction03/17/2017
BISPLISSUEDVarsity Plumbing and Heating03/06/2017
BISOTISSUEDWhitestone Construction03/28/2016
BISOTISSUEDWhitestone Construction03/28/2016
BISOTISSUEDWhitestone Construction03/15/2016
BISPLISSUEDVarsity Plumbing and Heating03/15/2016
BISEQISSUEDWhitestone Construction03/15/2016
BISEQISSUEDWhitestone Construction03/15/2016
BISOTRE-ISSUEDWhitestone Construction03/15/2016
BISEQISSUEDWhitestone Construction03/08/2016
BISOTISSUEDKomi Construction11/20/2012
BISOTISSUEDKomi Construction10/26/2012
BISOTISSUEDKomi Construction10/28/2011
BISOTISSUEDKomi Construction11/02/2010
BISOTISSUEDNational Enviromental Safety04/16/2010
BISPLISSUEDVarsity Plumbing and Heating02/25/2010
BISPLISSUEDVarsity Plumbing and Heating03/04/2009
+ 14 more permits on file
2 projects · most recent 10/20/2026
Ventilation Systems Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
10/20/2026Permit IssuedSmart Heating & CoolingAir Conditioning Systems, Ventilation Systems—
01/23/2026——Ventilation Systems
Ventilation
Mcquay CAH004GHAC 1,910 CFM ×1
1 project · most recent 10/20/2026
FiledStatusContractorScope
10/20/2026Permit IssuedRobert Parchment P & H—
1 project · most recent 01/23/2026
Storm
FiledStatusContractorScope
01/23/2026——Storm
20 projects · most recent 07/24/2026
General Wiring
FiledStatusContractorScope
07/24/2026CompleteSunrise Electrical Services—
01/12/2026Permit IssuedAM NY ElectricGeneral Wiring
09/10/2025CompleteCharan Electrical Enterp's—
03/22/2024CompleteAce Electrical ConstructionGeneral Wiring
04/27/2023CompleteCharan Electrical Enterp's—
04/11/2023CompleteCharan Electrical Enterp'sGeneral Wiring
11/01/2022Permit IssuedAnco Electl ContctngGeneral Wiring
06/10/2021Permit IssuedNew Phase Electrical ContractorsGeneral Wiring
10/01/2020CompleteCharan Electrical Enterp's—
06/14/2019CompleteNew Phase Electrical ContractorsGeneral Wiring
01/28/2019CompleteCharan Electrical Enterp'sGeneral Wiring
01/10/2019Permit IssuedLaser Electrical Constr'gGeneral Wiring
09/05/2018CompleteCharan Electrical Enterp's—
08/09/2018CompleteCharan Electrical Enterp's—
08/03/2018CancelledCharan Electrical Enterp'sGeneral Wiring
1 project · most recent 01/23/2026
Concrete Masonry
FiledStatusContractorScope
01/23/2026——Concrete, Masonry
1 project · most recent 12/22/2025
FiledStatusContractorScope
12/22/2025Permit IssuedSunrise Electrical SRV423 panels, 247.46 kw, 10,575 roof_area_sqft
▾Field Inspections (DOB CAP) — 2
DateTypeResultReport
09/17/2026Pass-Final SD - More than 10 Requested FloorsPassView ↗
09/09/2026Certified StandPipe-SD-Piping-Hydrostatic TestCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 22
DateRequirementInspectorRole
10/20/2026Sprinkler SystemsMaxim Korngoldspecial
01/22/2026Masonry—special
01/22/2026Concrete - Cast-In-Place—special
01/22/2026Fire-Resistant Penetrations and Joints—special
01/22/2026Post-installed Anchors—special
01/22/2026Sprayed fire-resistant materials—special
01/22/2026Structural Stability – Alterations of existing buildings—special
01/22/2026Structural Steel - Details—special
01/22/2026Structural Steel - High Strength Bolting—special
01/22/2026Structural Steel - Welding—special
01/22/2026Subsurface Conditions – Fill Placement & In-Place Density—special
01/22/2026Energy Code Compliance Inspections—progress
01/22/2026Fenestration areas—energy_progress
01/22/2026Fenestration air leakage—energy_progress
01/22/2026Insulation placement and R values—energy_progress
01/22/2026Fenestration and door U-factor and product ratings—energy_progress
01/22/2026Fire-Resistant Penetrations and Joints—special
01/22/2026Post-installed Anchors—special
11/21/2025Final—progress
04/05/2023Sprinkler SystemsMAXIM KORNGOLDspecial
03/29/2023Fire-Resistant Penetrations and JointsMAXIM KORNGOLDspecial
03/29/2023Fire-Resistance Rated ConstructionMAXIM KORNGOLDprogress
▾Tenants in the building
TenantSpaceFloorsRenovation projects
H.S. 650EducationCellar, Floors 1–5, Roof
Project B01323028 Alteration · Approved · 01/23/2026
New York City Department of EducationEducationSub-basement, Roof
Project B01276458 Alteration · Permit Entire · 12/22/2025
Williamsburg PrepEducationCellar, Sub-basement, Floors 1, 2, Roof
Project B00847868 Alteration · Plan Examiner Review · 03/27/2023
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 — 42 on file (BIS + DOB NOW)
▸Plans & Drawings7
▸DOB NOWPlans/Sketch7
08/27/2026B00847868-I1Request digital key ↗
08/27/2026B00847868-S2Request digital key ↗
08/27/2026B00847868-S1Request digital key ↗
Showing 3 of 7 on file for this type
▸Seals & Professional Certifications12
▸DOB NOWDPL-1: Design Professional Seal & Signature8
10/22/2026B00847868-P1Open ↗
08/19/2026B01276458-I1Open ↗
08/18/2026B01323028-I1Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature3
10/22/2026B00847868-P1Open ↗
08/26/2026B00847868-S1Open ↗
08/23/2026B00847868-S2Open ↗
▸DOB NOWProgress Inspector Seal & Signature1
08/26/2026B00847868-S1Open ↗
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/19/2026B01276458-I1Open ↗
▸Approvals, Objections & Sign-offs15
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter5
10/22/2026B00847868-P1Open ↗
08/13/2026B01276458-I1Open ↗
08/13/2026B00847868-I1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWDesign Commission Approval City Owned (Exterior Work)4
10/22/2026B00847868-P1Open ↗
08/13/2026B00847868-S2Open ↗
08/13/2026B00847868-I1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWDEP Variance (V5) letter3
08/13/2026B00847868-I1Open ↗
08/13/2026B00847868-S2Open ↗
08/13/2026B00847868-S1Open ↗
▸DOB NOWDesign Commission Sign Off City Owned (Exterior Work)3
08/13/2026B00847868-S2Open ↗
08/13/2026B00847868-I1Open ↗
08/13/2026B00847868-S1Open ↗
▸Other Documents7
▸DOB NOWNYCSCA - BCC Plan Examination Transmittal7
10/22/2026B00847868-P1Open ↗
08/13/2026B00847868-I1Open ↗
08/13/2026B00847868-S2Open ↗
Showing 3 of 7 on file for this type