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Public elementary, junior or senior high
The Exploratory School
345 DEAN STREET · BIN 3001190
💬 Discuss this project
1929Year Built
4Stories
W1Building Class
R6BZoning
128,750 sfGross Floor Area
2Units
LL97 Covered3 Active Violations 0 unresolved · 3 paperwork only 1 likely answered 1 old, status unconfirmed ▸
Public elementary, junior or senior high · Owner of record: NYC Department of Education · 62,500 sf lot · 2.06 FAR built · Flood zone X
Locations of Work
MechanicalEquipmentGeneralOther
Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.
Floor 3HVAC system replacement6p · 2 filings · 18 docs
Floor 2HVAC system replacement6p · 2 filings · 18 docs
Floor 1HVAC system replacement5p · 2 filings · 18 docs
CellarHVAC system replacement5p · 1 filing · 18 docs
Site & exteriorBrooklyn HS of Arts5p · 1 filing · 4 docs
Filed — no permit issuedBrooklyn High School of the Arts Annex11p · 2 filings · 10 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
NYC School Construction Authority8007/08/2026
NYC Department of Education1103/22/2026
Doe Division of School Facilities203/21/2026
Nysca103/21/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
Princeton405/29/2024
AK Consulting Services304/30/2023
ABC Engineering103/15/2023
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
AK Consulting Services603/21/2026
Times Buildings Engineering Service103/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
Alliance Tri-State ConstructionGeneral Contractor407/08/2026
A & S ElectricElectrical403/21/2026
Prime ContractorsScaffold303/21/2026
Stanco System Electrical ContElectrical203/21/2026
Falcon Electrical ContractingElectrical203/21/2026
Charan Electrical Enterp'sElectrical203/22/2026
Ace Electrical ConstructionElectrical203/21/2026
Lodaya RajivElectrical103/21/2026
E.N.E.L. ElectricalElectrical103/21/2026
HI-Rite ElectricElectrical103/21/2026
Jamcob ElectricElectrical103/21/2026
Ark Systems ElectricElectrical103/21/2026
Charan Electrical Enterp'sElectrical103/21/2026
Ace Electrical ConstructionGeneral Contractor103/22/2026
Selectric Electrical Cont Co IElectrical103/21/2026
Prince ElectricElectrical103/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
Future Tech Consultants O589305/29/2024
Building Lifecycle
All (94)Filed (8)Permit Issued (3)Violation (60)Objection (13)Special Inspection (10)
11/07/2025
Violation issued (ECB, open)
Construction
04/25/2025
Permit issued — Mechanical Systems
B00699713-I1-MS
08/29/2024
Violation issued (ECB, open)
Elevators
06/04/2024
Permit issued — Mechanical Systems
B00699713-I1-MS
05/31/2024
Objection resolved — Addressed
05/31/2024
Special inspection requirement — Fire-Resistance Rated Construction
Michael Marchese
05/31/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
Noel Tolentino
05/31/2024
Special inspection requirement — Post-installed Anchors
Noel Tolentino
05/31/2024
Special inspection requirement — Mechanical Systems
Noel Tolentino
05/31/2024
Special inspection requirement — Final
Michael Marchese
05/30/2024
Objection raised — Other
05/29/2024
Filed — Alteration
Replace existing exhaust fans, heating & ventilation units, and unit ventilators. Replace ductwork sections and balanceairflows.
B00699713-P3
05/24/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
Noel Tolentino
05/24/2024
Special inspection requirement — Mechanical Systems
Noel Tolentino
05/24/2024
Special inspection requirement — Post-installed Anchors
Noel Tolentino
05/24/2024
Special inspection requirement — Final
Michael Marchese
05/24/2024
Special inspection requirement — Fire-Resistance Rated Construction
Michael Marchese
05/21/2024
Objection resolved — Addressed
05/14/2024
Objection raised — Other
05/08/2024
Filed — Alteration
Replace existing exhaust fans, heating & ventilation units, and unit ventilators. Replace ductwork sections and balanceairflows.
B00699713-P2
03/22/2024
Objection resolved — Addressed
03/11/2024
Objection raised — Other
03/08/2024
Filed — Alteration
Replace existing exhaust fans, heating & ventilation units, and unit ventilators. Replace ductwork sections and balanceairflows.
B00699713-P1
01/31/2024
Violation issued (ECB, closed)
Construction
01/31/2024
Violation issued (ECB, open)
Construction
01/31/2024
Violation issued (ECB, closed)
Construction
01/31/2024
Violation issued (ECB, closed)
Construction
05/02/2023
Objection raised — Other
04/30/2023
Filed — Alteration
INSTALLATION OF NEW SIDEWALK SHED FOR BROOKLYN HS OF ARTS AT 345 DEAN STREET, BROOKLYN AS INDICATED ON PLANS. THERE WILL BE NO CHANGE IN THE USE, EGRESS, OR OCCUPANCY UNDER THIS APPLICATION.
B08008983-I1
04/27/2023
Filed — Alteration
INSTALLATION OF TEMPORARY CONSTRUCTION FENCE FOR BROOKLYN HS OF ARTS AT 345 DEAN STREET, BROOKLYN AS INDICATED ON PLANS. THERE WILL BE NO CHANGE IN THE USE, EGRESS, OR OCCUPANCY UNDER THIS APPLICATION.
B08008982-I1
03/15/2023
Filed — Alteration
B08010316-I1
01/27/2023
Violation issued (ECB, closed)
Construction
01/27/2023
Violation issued (ECB, closed)
Construction
01/27/2023
Violation issued (ECB, closed)
Construction
01/27/2023
Violation issued (ECB, closed)
Construction
01/27/2023
Violation issued (ECB, closed)
Construction
01/27/2023
Violation issued (ECB, closed)
Construction
01/27/2023
Violation issued (ECB, closed)
Construction
01/27/2023
Violation issued (ECB, closed)
Construction
05/03/2022
Permit issued — Supported Scaffold
B00579287-I1-SF
04/26/2022
Objection raised — Other
04/26/2022
Objection resolved — Addressed
03/18/2022
Objection raised — Other
03/18/2022
Objection resolved — Addressed
03/16/2022
Filed — Alteration
Replace existing exhaust fans, heating & ventilation units, and unit ventilators. Replace ductwork sections and balanceairflows.
B00699713-I1
03/15/2022
Violation issued (ECB, closed)
Construction
03/15/2022
Violation issued (ECB, closed)
Construction
03/15/2022
Violation issued (ECB, closed)
Construction
03/15/2022
Violation issued (ECB, closed)
Construction
03/15/2022
Violation issued (ECB, closed)
Construction
03/14/2022
Violation issued (ECB, closed)
Construction
09/07/2021
Objection raised — Other
09/07/2021
Objection resolved — Addressed
08/31/2021
Filed — Alteration
INSTALLATION OF PIPE SCAFFOLD FOR BROOKLYN HIGH SCHOOL OF THE ARTS AT 345 DEAN STREET, BROOKLYN IN CONJUNCTION WITH DOB #302582168 AS INDICATED ON PLANS. THERE WILL BE NO CHANGE IN THE USE, EGRESS, OR OCCUPANCY UNDER THIS APPLICATION.
B00579287-I1
06/28/2021
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
06/28/2021
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
04/30/2021
Violation issued (ECB, closed)
Construction
04/30/2021
Violation issued (ECB, closed)
Construction
04/30/2021
Violation issued (ECB, closed)
Construction
04/30/2021
Violation issued (ECB, closed)
Construction
Latest 60 of 94 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsPermit IssuedAlliance Tri-State Construction04/25/2025
DOB NOWMechanical SystemsPermit IssuedAlliance Tri-State Construction06/04/2024
DOB NOWSupported ScaffoldPermit IssuedPrime Contractors05/03/2022
BISOTISSUEDBiltmore General Contractors12/17/2021
BISOTISSUEDBiltmore General Contractors03/30/2021
BISOTISSUEDBiltmore General Contractors08/22/2019
BISOTISSUEDBeys Specialty02/08/2019
BISOTISSUEDBeys Specialty02/08/2019
BISOTISSUEDBiltmore General Contractors10/19/2018
BISOTISSUEDBiltmore General Contractors08/10/2018
BISEQISSUEDBiltmore General Contractors08/10/2018
BISEQISSUEDBiltmore General Contractors04/06/2018
BISOTISSUEDBeys Specialty03/08/2018
BISOTISSUEDBeys Specialty03/08/2018
BISOTISSUEDBiltmore General Contractors10/31/2017
BISOTISSUEDBiltmore General Contractors08/08/2017
BISOTISSUEDBiltmore General Contractors08/08/2017
BISOTISSUEDBiltmore General Contractors04/19/2017
BISEQISSUEDBiltmore General Contractors03/30/2017
BISEQISSUEDBiltmore General Contractors03/30/2017
BISEQISSUEDBiltmore General Contractors03/03/2017
BISEQISSUEDBiltmore General Contractors03/01/2017
BISOTISSUEDBeys Specialty01/11/2017
BISOTISSUEDBeys Specialty01/11/2017
BISOTISSUEDBiltmore General Contractors09/15/2016
BISOTISSUEDBiltmore General Contractors06/01/2016
BISOTISSUEDBiltmore General Contractors04/08/2016
BISEQISSUEDBiltmore General Contractors04/08/2016
BISEQISSUEDBiltmore General Contractors04/01/2016
BISEQISSUEDBiltmore General Contractors02/26/2016
BISEQISSUEDBiltmore General Contractors02/26/2016
BISOTISSUEDBeys Specialty01/05/2016
BISOTISSUEDBeys Specialty01/05/2016
BISEQISSUEDWhitestone Construction09/16/2015
BISOTISSUEDE Electrical Contracting04/22/2015
BISOTISSUEDBeys Specialty01/06/2015
BISOTISSUEDBeys Specialty01/06/2015
BISMHISSUEDS & W Wilson Enterprises12/15/2014
BISOTISSUEDE Electrical Contracting10/08/2014
BISEQISSUEDWhitestone Construction09/16/2014
+ 13 more permits on file
1 project · most recent 05/29/2024
Heating Systems Ventilation Systems
FiledStatusContractorScope
05/29/2024Permit IssuedAlliance Tri-State ConstructionHeating Systems, Ventilation Systems
20 projects · most recent 07/22/2025
General Wiring Boiler Controls
FiledStatusContractorScope
07/22/2025CompleteCharan Electrical Enterp's—
05/12/2025CompleteCharan Electrical Enterp's—
11/11/2024CompleteEverest Electric—
07/08/2024CompleteAce Electrical ConstructionGeneral Wiring
03/04/2024Permit IssuedFalcon Electrical Contracting—
02/26/2024Pending PaymentSelectric Electrical Cont Co IGeneral Wiring
10/12/2023CompleteCharan Electrical Enterp's—
08/28/2023Permit IssuedFalcon Electrical ContractingBoiler Controls
04/19/2023CompleteCharan Electrical Enterp'sGeneral Wiring
05/26/2022CompleteJamcob ElectricGeneral Wiring
03/17/2022CompleteHI-Rite ElectricGeneral Wiring
10/20/2021CompleteCharan Electrical Enterp's—
09/03/2020CompleteCharan Electrical Enterp's—
02/23/2020Permit IssuedNunez Electric—
09/12/2019CompleteCharan Electrical Enterp'sGeneral Wiring
3 projects · most recent 04/30/2023
Sidewalk Shed Fence Scaffold
FiledStatusContractorScope
04/30/2023——Sidewalk Shed
04/27/2023——Fence
08/31/2021Permit IssuedPrime ContractorsScaffold
▾Special Inspection Requirements (DOB NOW) — 10
DateRequirementInspectorRole
05/31/2024Fire-Resistance Rated ConstructionMichael Marcheseprogress
05/31/2024Fire-Resistant Penetrations and JointsNoel Tolentinospecial
05/31/2024Post-installed AnchorsNoel Tolentinospecial
05/31/2024Mechanical SystemsNoel Tolentinospecial
05/31/2024FinalMichael Marcheseprogress
05/24/2024Fire-Resistant Penetrations and JointsNoel Tolentinospecial
05/24/2024Mechanical SystemsNoel Tolentinospecial
05/24/2024Post-installed AnchorsNoel Tolentinospecial
05/24/2024FinalMichael Marcheseprogress
05/24/2024Fire-Resistance Rated ConstructionMichael Marcheseprogress
▾Tenants in the building
TenantSpaceFloorsRenovation projects
Brooklyn High School of the Arts AnnexEducation—
Project B08008983 Alteration · Incomplete · 04/30/2023
Project B08008982 Alteration · Objections · 04/27/2023
Brooklyn HS of ArtsEducation—
Project B00579287 Alteration · Permit Entire · 08/31/2021
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 — 101 on file (BIS + DOB NOW)
▸Plans & Drawings7
▸DOB NOWPlans/Sketch7
08/27/2026B08010316-I1Request digital key ↗
08/27/2026B08008983-I1Request digital key ↗
08/15/2026B00699713-P1Request digital key ↗
Showing 3 of 7 on file for this type
▸Applications & Permits10
▸BISWORK PERMIT APPLICATION6
12/15/2014340167125Open ↗
05/22/2013320475856Open ↗
07/20/2012320507885Open ↗
Showing 3 of 6 on file for this type
▸BISPLAN / WORK APPROVAL APPLICATION4
08/28/2014340167125Open ↗
07/12/2012320507885Open ↗
05/21/2012320475856Open ↗
Showing 3 of 4 on file for this type
▸Seals & Professional Certifications22
▸DOB NOWDPL-1: Design Professional Seal & Signature7
08/27/2026B08010316-I1Open ↗
08/25/2026B00699713-P2Open ↗
08/25/2026B00699713-I1Open ↗
Showing 3 of 7 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION6
02/12/2016320475856Open ↗
03/07/2015340167125Open ↗
06/03/2013320507885Open ↗
Showing 3 of 6 on file for this type
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM2
05/21/2012320475856Open ↗
02/11/2010320115629Open ↗
▸BISPROFESSIONAL CERTIFIED CHECKLIST2
05/21/2012320475856Open ↗
02/11/2010320115629Open ↗
▸DOB NOWProgress Inspector Seal & Signature2
09/01/2026B00699713-I1Open ↗
08/25/2026B00699713-P3Open ↗
▸DOB NOWSpecial Inspector Seal & Signature2
09/01/2026B00699713-I1Open ↗
08/25/2026B00699713-P3Open ↗
▸BISAPPLICANT OWNER SIGNATURE1
08/28/2014340167125Open ↗
▸Trade Schedules & Equipment6
▸BISEQUIPMENT USE PERMITS6
03/07/2015340167125Open ↗
03/07/2015340167125Open ↗
03/07/2015340167125Open ↗
Showing 3 of 6 on file for this type
▸Safety & Tenant Protection3
▸DOB NOWNYCSCA - Approved Site Safety Plans3
08/13/2026B00579287-I1Open ↗
08/13/2026B08008982-I1Open ↗
08/13/2026B08008983-I1Open ↗
▸Environmental & Asbestos3
▸BISASBESTOS: CERTIFICATION (DEP ACP5)2
08/28/2014340167125Open ↗
07/12/2012320507885Open ↗
▸BISASBESTOS EXEMPTION CERTIFICATION LETTER1
02/11/2010320115629Open ↗
▸Energy Compliance6
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS3
03/07/2015340167125Open ↗
06/03/2013320507885Open ↗
07/12/2012320507885Open ↗
▸BISAS-BUILT ENERGY ANALYSIS2
03/07/2015340167125Open ↗
06/03/2013320507885Open ↗
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY1
08/28/2014340167125Open ↗
▸Inspections & Test Reports1
▸BISTECHNICAL REPORT: RESPONSIBILITY1
08/28/2014340167125Open ↗
▸Approvals, Objections & Sign-offs23
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter8
08/27/2026B08010316-I1Open ↗
08/15/2026B00699713-P1Open ↗
08/15/2026B00699713-I1Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWDesign Commission Approval City Owned (Exterior Work)7
08/15/2026B00699713-P1Open ↗
08/15/2026B00699713-I1Open ↗
08/15/2026B00699713-P2Open ↗
Showing 3 of 7 on file for this type
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST3
02/12/2016320475856Open ↗
03/07/2015340167125Open ↗
06/03/2013320507885Open ↗
▸BISADMINISTRATIVE OBJECTIONS3
07/12/2012320507885Open ↗
05/21/2012320475856Open ↗
02/11/2010320115629Open ↗
▸BISLETTERS - SUPPORTING DOCUMENTATION1
05/22/2013320475856Open ↗
▸DOB NOWDEP Variance (V5) letter1
08/13/2026B00699713-I1Open ↗
▸Cost, Insurance & Ownership4
▸BISCOST AFFIDAVIT4
03/07/2015340167125Open ↗
08/28/2014340167125Open ↗
06/03/2013320507885Open ↗
Showing 3 of 4 on file for this type
▸Filing & Intake Forms5
▸BISEFILING COVER SHEET2
07/12/2012320507885Open ↗
02/11/2010320115629Open ↗
▸BISeFiling Job Application Cover Sheet2
05/21/2012320475856Open ↗
08/28/2014340167125Open ↗
▸BISADDITIONAL INFORMATION1
11/07/2014340167125Open ↗
▸Other Documents11
▸DOB NOWNYCSCA - BCC Plan Examination Transmittal7
08/15/2026B00699713-I1Open ↗
08/13/2026B00579287-I1Open ↗
08/13/2026B08008982-I1Open ↗
Showing 3 of 7 on file for this type
▸DOB NOWProof of Historic Building4
08/15/2026B00699713-P1Open ↗
08/15/2026B00699713-I1Open ↗
08/15/2026B00699713-P2Open ↗
Showing 3 of 4 on file for this type