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Health center, child center, clinic
121 CONKLIN AVENUE
BROOKLYN · BIN 3229624
💬 Discuss this project
1954Year Built
2Stories
I5Building Class
R4-1Zoning
18,834 sfGross Floor Area
1Units
2 Open Violations 1 unresolved · 1 paperwork only ▸FDNY Report ↗
Health center, child center, clinic · Owner of record: NYC DEPARTMENT OF EDUCATION · 13,770 sf lot · 1.37 FAR built · Flood zone X
Locations of Work
StructuralMechanicalPlumbing
Permit Issued — active, not yet Signed-off
RoofUnder Construction11p · 1 filing · 20 docs
Floor 2Under Construction13p · 1 filing · 20 docs
Floor 1Under Construction12p · 2 filings · 20 docs
CellarUnder Construction23p · 2 filings · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
NYC SCHOOL CONSTRUCTION AUTHORITY3709/15/2026
DEPARTMENT OF EDUCATION 0203/22/2026
DOE 0 040103/22/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
LILKER ASSOCIATES CONSULTING ENGINE807/21/2025
KPFF CONSULTING ENGINEERS209/19/2023
NYMS CONSULTING, LLC309/17/2023
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
ANGELA RIVERA603/21/2026
JAM CONSULTANTS, INC.803/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
CENTRAL MECHANICAL SYSTEMS INCGeneral Contractor2409/15/2026
VARSITY PLBG AND HTG INCPlumbing307/08/2026
SPYRIDON ILIADISElectrical203/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
TWIN PEAKS INC.317707/21/2025
Building Lifecycle
All (90)Filed (13)Permit Issued (23)Violation (20)Inspection (2)Objection (2)Special Inspection (30)
09/14/2026
Permit issued — Mechanical Systems
B00570513-I1-MS
09/14/2026
Permit issued — Structural
B00570513-S3-ST
08/05/2026
Permit issued — Construction Fence
B00923596-I1-FN
06/26/2026
Permit issued — Mechanical Systems
B00923596-S2-MS
12/09/2025
Permit issued — Plumbing
B00570513-S2-PL
11/14/2025
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
10/27/2025
Permit issued — Mechanical Systems
B00570513-I1-MS
10/27/2025
Permit issued — Structural
B00570513-S3-ST
09/05/2025
Permit issued — Construction Fence
B00923596-I1-FN
08/20/2025
Permit issued — Mechanical Systems
B00923596-S2-MS
08/20/2025
Inspection — Pass-Final Boiler Equipment Inspection
Pass
View inspection ↗
08/05/2025
Permit issued — Boiler Equipment
B00570513-S1-BE
07/22/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
MIKHAIL ZEYGMAN
07/22/2025
Special inspection requirement — Heating Systems
MIKHAIL ZEYGMAN
07/22/2025
Special inspection requirement — Mechanical Systems
MIKHAIL ZEYGMAN
07/22/2025
Special inspection requirement — Post-installed Anchors
MIKHAIL ZEYGMAN
07/22/2025
Special inspection requirement — Final
MIKHAIL ZEYGMAN
07/22/2025
Special inspection requirement — Maintenance information
MIKHAIL ZEYGMAN
07/22/2025
Special inspection requirement — Shutoff dampers
MIKHAIL ZEYGMAN
07/22/2025
Special inspection requirement — Interior lighting power
MIKHAIL ZEYGMAN
07/22/2025
Special inspection requirement — HVAC-R and service water heating system controls
MIKHAIL ZEYGMAN
07/22/2025
Special inspection requirement — Duct leakage testing, insulation and design
MIKHAIL ZEYGMAN
07/22/2025
Special inspection requirement — Lighting controls
MIKHAIL ZEYGMAN
07/22/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
MIKHAIL ZEYGMAN
07/22/2025
Special inspection requirement — HVAC-R and service water heating equipment
MIKHAIL ZEYGMAN
07/21/2025
Filed — Alteration
DISTRICT OFFICE# 18/Mechanical work related to the nstallation of new climate control, low voltage electrical, intrusion alarm, and ventilation systems.
B00570513-P5
07/21/2025
Filed — Alteration
DISTRICT OFFICE# 18/Mechanical work related to the nstallation of new climate control, low voltage electrical, intrusion alarm, and ventilation systems.
B00570513-P6
12/09/2024
Permit issued — Plumbing
B00570513-S2-PL
11/01/2024
Permit issued — Mechanical Systems
B00570513-I1-MS
11/01/2024
Permit issued — Structural
B00570513-S3-ST
09/04/2024
Permit issued — Mechanical Systems
B00923596-S2-MS
09/04/2024
Permit issued — Mechanical Systems
B00923596-S2-MS
09/04/2024
Permit issued — Construction Fence
B00923596-I1-FN
12/05/2023
Permit issued — Plumbing
B00570513-S2-PL
11/20/2023
Permit issued — Boiler Equipment
B00570513-S1-BE
11/17/2023
Permit issued — Structural
B00570513-S3-ST
11/02/2023
Permit issued — Mechanical Systems
B00570513-I1-MS
10/30/2023
Inspection — Pass-Final Boiler Equipment Inspection
Pass
View inspection ↗
09/21/2023
Special inspection requirement — Preliminary
MIKHAIL ZEYGMAN
09/21/2023
Special inspection requirement — Structural Steel - Details
MIKHAIL ZEYGMAN
09/21/2023
Special inspection requirement — Structural Steel - Welding
MIKHAIL ZEYGMAN
09/21/2023
Special inspection requirement — Masonry
MIKHAIL ZEYGMAN
09/21/2023
Special inspection requirement — Concrete - Cast-In-Place
MIKHAIL ZEYGMAN
09/21/2023
Special inspection requirement — Post-installed Anchors
MIKHAIL ZEYGMAN
09/21/2023
Special inspection requirement — Structural Stability – Alterations of existing buildings
MIKHAIL ZEYGMAN
09/21/2023
Special inspection requirement — Structural Steel - High Strength Bolting
MIKHAIL ZEYGMAN
09/21/2023
Special inspection requirement — Final
MIKHAIL ZEYGMAN
09/21/2023
Special inspection requirement — Maintenance information
MIKHAIL ZEYGMAN
09/20/2023
Permit issued — Boiler Equipment
B00923596-S1-BE
09/19/2023
Filed — Alteration
DISTRICT OFFICE# 18/Mechanical work related to the nstallation of new climate control, low voltage electrical, intrusion alarm, and ventilation systems.
B00570513-P2
09/19/2023
Filed — Alteration
DISTRICT OFFICE# 18/Mechanical work related to the nstallation of new climate control, low voltage electrical, intrusion alarm, and ventilation systems.
B00570513-P1
09/19/2023
Filed — Alteration
DISTRICT OFFICE# 18/Mechanical work related to the nstallation of new climate control, low voltage electrical, intrusion alarm, and ventilation systems.
B00570513-P3
09/19/2023
Filed — Alteration
DISTRICT OFFICE# 18/Mechanical work related to the nstallation of new climate control, low voltage electrical, intrusion alarm, and ventilation systems.
B00570513-P4
09/19/2023
Special inspection requirement — Final
MIKHAIL ZEYGMAN
09/19/2023
Special inspection requirement — Maintenance information
MIKHAIL ZEYGMAN
09/19/2023
Special inspection requirement — Interior lighting power
MIKHAIL ZEYGMAN
09/19/2023
Special inspection requirement — Duct leakage testing, insulation and design
MIKHAIL ZEYGMAN
09/19/2023
Special inspection requirement — HVAC-R and service water heating system controls
MIKHAIL ZEYGMAN
09/19/2023
Special inspection requirement — Post-installed Anchors
MIKHAIL ZEYGMAN
09/19/2023
Special inspection requirement — Structural Stability – Alterations of existing buildings
MIKHAIL ZEYGMAN
Latest 60 of 90 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsPermit IssuedCENTRAL MECHANICAL SYSTEMS INC09/14/2026
DOB NOWStructuralPermit IssuedCENTRAL MECHANICAL SYSTEMS INC09/14/2026
DOB NOWConstruction FencePermit IssuedCENTRAL MECHANICAL SYSTEMS INC08/05/2026
DOB NOWMechanical SystemsPermit IssuedCENTRAL MECHANICAL SYSTEMS INC06/26/2026
DOB NOWPlumbingPermit IssuedVARSITY PLBG AND HTG INC12/09/2025
DOB NOWMechanical SystemsPermit IssuedCENTRAL MECHANICAL SYSTEM10/27/2025
DOB NOWStructuralPermit IssuedCENTRAL MECHANICAL SYSTEM10/27/2025
DOB NOWConstruction FencePermit IssuedCENTRAL MECHANICAL SYSTEM09/05/2025
DOB NOWMechanical SystemsPermit IssuedCENTRAL MECHANICAL SYSTEM08/20/2025
DOB NOWBoiler EquipmentSigned-offCHAMPION COMBUSTION CORP08/05/2025
DOB NOWPlumbingPermit IssuedVARSITY PLBG AND HTG INC12/09/2024
DOB NOWMechanical SystemsPermit IssuedCENTRAL MECHANICAL SYSTEM11/01/2024
DOB NOWStructuralPermit IssuedCENTRAL MECHANICAL SYSTEM11/01/2024
DOB NOWMechanical SystemsPermit IssuedCENTRAL MECHANICAL SYSTEM09/04/2024
DOB NOWMechanical SystemsPermit IssuedCENTRAL MECHANICAL SYSTEM09/04/2024
DOB NOWConstruction FencePermit IssuedCENTRAL MECHANICAL SYSTEM09/04/2024
DOB NOWPlumbingPermit IssuedVARSITY PLBG AND HTG INC12/05/2023
DOB NOWBoiler EquipmentSigned-offCHAMPION COMBUSTION CORP11/20/2023
DOB NOWStructuralPermit IssuedCENTRAL MECHANICAL SYSTEM11/17/2023
DOB NOWMechanical SystemsPermit IssuedCENTRAL MECHANICAL SYSTEM11/02/2023
DOB NOWBoiler EquipmentSigned-offCHAMPION COMBUSTION CORP09/20/2023
DOB NOWMechanical SystemsPermit IssuedCENTRAL MECHANICAL SYSTEM09/18/2023
DOB NOWConstruction FencePermit IssuedCENTRAL MECHANICAL SYSTEM09/05/2023
BISPLISSUEDTILOS PLUMBING & HEATING CORP08/06/1998
BIS—ISSUEDM. MAROPAKIS CARPENTRY, INC.03/18/1997
BISPLRE-ISSUEDREGENCY PLG AND HTG06/26/1996
BIS—RE-ISSUEDM. MAROPAKIS CARPENTRY, INC.04/22/1996
1 project · most recent 07/21/2025
Ventilation Systems
FiledStatusContractorScope
07/21/2025Permit IssuedCENTRAL MECHANICAL SYSTEMVentilation Systems
1 project · most recent 07/21/2025
Gas
FiledStatusContractorScope
07/21/2025Permit IssuedVARSITY PLBG AND HTG INCGas
4 projects · most recent 06/04/2026
General Wiring
FiledStatusContractorScope
06/04/2026Permit IssuedHEXAGON CONST & ELECL GRPGeneral Wiring
10/19/2023CompleteHEXAGON CONST & ELECL GRP—
10/19/2023Permit IssuedHEXAGON CONST & ELECL GRPGeneral Wiring
03/14/2022CompleteABM ELECTRIC, INC—
1 project · most recent 07/21/2025
Steel Concrete Masonry
FiledStatusContractorScope
07/21/2025Permit IssuedCENTRAL MECHANICAL SYSTEMSteel, Concrete, Masonry
1 project · most recent 09/17/2023
Fence
FiledStatusContractorScope
09/17/2023Permit IssuedCENTRAL MECHANICAL SYSTEMFence
▾Field Inspections (DOB CAP) — 2
DateTypeResultReport
08/20/2025Pass-Final Boiler Equipment InspectionPassView ↗
10/30/2023Pass-Final Boiler Equipment InspectionPassView ↗
▾Special Inspection Requirements (DOB NOW) — 52
DateRequirementInspectorRole
07/22/2025Fire-Resistant Penetrations and JointsMIKHAIL ZEYGMANspecial
07/22/2025Heating SystemsMIKHAIL ZEYGMANspecial
07/22/2025Mechanical SystemsMIKHAIL ZEYGMANspecial
07/22/2025Post-installed AnchorsMIKHAIL ZEYGMANspecial
07/22/2025FinalMIKHAIL ZEYGMANprogress
07/22/2025Maintenance informationMIKHAIL ZEYGMANenergy_progress
07/22/2025Shutoff dampersMIKHAIL ZEYGMANenergy_progress
07/22/2025Interior lighting powerMIKHAIL ZEYGMANenergy_progress
07/22/2025HVAC-R and service water heating system controlsMIKHAIL ZEYGMANenergy_progress
07/22/2025Duct leakage testing, insulation and designMIKHAIL ZEYGMANenergy_progress
07/22/2025Lighting controlsMIKHAIL ZEYGMANenergy_progress
07/22/2025HVAC-R and service water piping design and insulationMIKHAIL ZEYGMANenergy_progress
07/22/2025HVAC-R and service water heating equipmentMIKHAIL ZEYGMANenergy_progress
09/21/2023PreliminaryMIKHAIL ZEYGMANprogress
09/21/2023Structural Steel - DetailsMIKHAIL ZEYGMANspecial
09/21/2023Structural Steel - WeldingMIKHAIL ZEYGMANspecial
09/21/2023MasonryMIKHAIL ZEYGMANspecial
09/21/2023Concrete - Cast-In-PlaceMIKHAIL ZEYGMANspecial
09/21/2023Post-installed AnchorsMIKHAIL ZEYGMANspecial
09/21/2023Structural Stability – Alterations of existing buildingsMIKHAIL ZEYGMANspecial
09/21/2023Structural Steel - High Strength BoltingMIKHAIL ZEYGMANspecial
09/21/2023FinalMIKHAIL ZEYGMANprogress
09/21/2023Maintenance informationMIKHAIL ZEYGMANenergy_progress
09/19/2023FinalMIKHAIL ZEYGMANprogress
09/19/2023Maintenance informationMIKHAIL ZEYGMANenergy_progress
Latest 25 of 52.
▾Documents — 123 on file (BIS + DOB NOW)
▸Plans & Drawings13
▸DOB NOWPlans/Sketch13
08/26/2026B00923596-S2Request digital key ↗
08/26/2026B00923596-S1Request digital key ↗
08/26/2026B00923596-I1Request digital key ↗
Showing 3 of 13 on file for this type
▸Seals & Professional Certifications65
▸DOB NOWProgress Inspector Seal & Signature26
09/25/2026B00570513-S3Open ↗
09/25/2026B00570513-S3Open ↗
09/20/2026B00570513-S2Open ↗
Showing 3 of 26 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature26
09/25/2026B00570513-S3Open ↗
09/25/2026B00570513-S3Open ↗
09/25/2026B00570513-S3Open ↗
Showing 3 of 26 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature13
08/13/2026B00570513-S2Open ↗
08/13/2026B00570513-I1Open ↗
08/13/2026B00570513-P6Open ↗
Showing 3 of 13 on file for this type
▸Safety & Tenant Protection1
▸DOB NOWNYCSCA - Approved Site Safety Plans1
08/13/2026B00923596-I1Open ↗
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/13/2026B00923596-S2Open ↗
▸Approvals, Objections & Sign-offs30
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter13
08/13/2026B00570513-S3Open ↗
08/13/2026B00570513-S2Open ↗
08/13/2026B00570513-I1Open ↗
Showing 3 of 13 on file for this type
▸DOB NOWDesign Commission Approval City Owned (Exterior Work)13
08/13/2026B00570513-P2Open ↗
08/13/2026B00570513-P5Open ↗
08/13/2026B00570513-S1Open ↗
Showing 3 of 13 on file for this type
▸DOB NOWDEP Variance (V5) letter4
08/13/2026B00570513-S2Open ↗
08/13/2026B00570513-I1Open ↗
08/13/2026B00570513-S1Open ↗
Showing 3 of 4 on file for this type
▸Other Documents13
▸DOB NOWNYCSCA - BCC Plan Examination Transmittal13
08/13/2026B00570513-P5Open ↗
08/13/2026B00570513-I1Open ↗
08/13/2026B00570513-P1Open ↗
Showing 3 of 13 on file for this type