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Miscellaneous two family
23 POLHEMUS PLACE
BROOKLYN · BIN 3024889
💬 Discuss this project
1898Year Built
3Stories
B9Building Class
R6BZoning
4,130 sfGross Floor Area
2Units
1 Open Violation ▸FDNY Report ↗
Miscellaneous two family · Owner of record: 23 OWNERS LLC · 1,584 sf lot · 2.61 FAR built · Flood zone X
Locations of Work
MechanicalPlumbing
Roof3p · 1 filing · 16 docs
Floor 21p · 1 filing · 4 docs
Floor 1
Cellar4p · 2 filings · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
23 OWNERS1207/08/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
12/17/2019$2.8M—Private party → 23 OWNERS LLC$666/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
JM CONSULTING ENGINEERS, LLC206/17/2021
MALETZ DESIGN108/04/2020
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
EPAC BUILDING CONSULTING INC203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
TYRONE PORTERElectrical803/21/2026
P Z ELECTRIC SYSTEMS CORP 004762General Contractor803/22/2026
HOME AIR INCGeneral Contractor107/08/2026
CROSSFIELD PLBG.&HTGPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
JCT DEVELOPMENT NY, INC5030108/12/2020
Building Lifecycle
All (19)Filed (3)Permit Issued (2)Signed Off (1)Violation (3)Objection (2)Special Inspection (8)
08/11/2022
Signed off — Alteration
Installation of bathroom and kitchen exhaust system and outdoor air cooled heat pumps and associated indoor fan coil units, refrigerant piping, condensate drain piping and controls.
B00340508-I1
07/06/2021
Permit issued — Mechanical Systems
B00340508-I1-MS
06/29/2021
Special inspection requirement — Fire-Resistant Penetrations and Joints
MOHAMED MABROUK
06/29/2021
Special inspection requirement — Mechanical Systems
MOHAMED MABROUK
06/29/2021
Special inspection requirement — Final
Jose Martinez
06/29/2021
Special inspection requirement — Energy Code Compliance Inspections
Jose Martinez
06/29/2021
Special inspection requirement — HVAC insulation and sealing
Jose Martinez
06/29/2021
Special inspection requirement — Maintenance information
Jose Martinez
06/29/2021
Special inspection requirement — HVAC and service water heating equipment
Jose Martinez
06/29/2021
Special inspection requirement — HVAC and service water heating system controls
Jose Martinez
06/24/2021
Objection resolved — Addressed
06/23/2021
Objection raised — Scope
06/17/2021
Filed — Alteration
Installation of bathroom and kitchen exhaust system and outdoor air cooled heat pumps and associated indoor fan coil units, refrigerant piping, condensate drain piping and controls.
B00340508-P1
09/16/2020
Permit issued — Plumbing
B00339944-I1-PL
08/12/2020
Filed — Alteration
Installation of bathroom and kitchen exhaust system and outdoor air cooled heat pumps and associated indoor fan coil units, refrigerant piping, condensate drain piping and controls.
B00340508-I1
08/04/2020
Filed — Alteration
B00339944-I1
09/24/2008
Violation issued (HPD, open)
A
05/28/1993
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
05/28/1993
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offHOME AIR INC07/06/2021
DOB NOWPlumbingSigned-offCROSSFIELD PLBG.&HTG09/16/2020
BISOTISSUEDAUROUS CONSTRUCTION COLL*04/09/2021
BISOTISSUEDAUROUS CONSTRUCTION COLL*07/30/2020
1 project · most recent 06/08/2021
General Wiring
FiledStatusContractorScope
06/08/2021CompleteP&Z ELECTRIC SYSTEMS CORPGeneral Wiring
▾Special Inspection Requirements (DOB NOW) — 8
DateRequirementInspectorRole
06/29/2021Fire-Resistant Penetrations and JointsMOHAMED MABROUKspecial
06/29/2021Mechanical SystemsMOHAMED MABROUKspecial
06/29/2021FinalJose Martinezprogress
06/29/2021Energy Code Compliance InspectionsJose Martinezprogress
06/29/2021HVAC insulation and sealing Jose Martinezenergy_progress
06/29/2021Maintenance informationJose Martinezenergy_progress
06/29/2021HVAC and service water heating equipment Jose Martinezenergy_progress
06/29/2021HVAC and service water heating system controls Jose Martinezenergy_progress
▾Documents — 55 on file (BIS + DOB NOW)
▸Plans & Drawings3
▸DOB NOWPlans/Sketch - Mechanical Systems2
09/02/2026B00340508-I1Request digital key ↗
08/14/2026B00340508-P1Request digital key ↗
▸DOB NOWPlans/Sketch - Plumbing1
09/02/2026B00339944-I1Request digital key ↗
▸Applications & Permits7
▸BISPLAN / WORK APPROVAL APPLICATION3
04/23/2021340724381Open ↗
10/09/2020340724381Open ↗
04/08/2020340724381Open ↗
▸DOB NOWLPC Approval/Permit3
08/13/2026B00340508-P1Open ↗
08/13/2026B00339944-I1Open ↗
08/13/2026B00340508-I1Open ↗
▸BISWORK PERMIT APPLICATION1
07/30/2020340724381Open ↗
▸Seals & Professional Certifications12
▸DOB NOWProgress Inspector Seal & Signature6
08/26/2026B00340508-I1Open ↗
08/26/2026B00340508-I1Open ↗
08/26/2026B00340508-I1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature3
08/13/2026B00340508-I1Open ↗
08/13/2026B00339944-I1Open ↗
08/13/2026B00340508-P1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature2
08/26/2026B00340508-I1Open ↗
08/26/2026B00340508-I1Open ↗
▸BISAPPLICANT OWNER SIGNATURE1
04/08/2020340724381Open ↗
▸Environmental & Asbestos4
▸DOB NOWDEP ACP-5: Asbestos Assessment Report3
08/13/2026B00339944-I1Open ↗
08/13/2026B00340508-I1Open ↗
08/13/2026B00340508-P1Open ↗
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
04/08/2020340724381Open ↗
▸Energy Compliance6
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY5
08/05/2021340724381Open ↗
07/30/2020340724381Open ↗
06/09/2020340724381Open ↗
Showing 3 of 5 on file for this type
▸BISAS-BUILT ENERGY ANALYSIS (EN2)1
08/05/2021340724381Open ↗
▸Inspections & Test Reports8
▸BISTECHNICAL REPORT: RESPONSIBILITY8
08/05/2021340724381Open ↗
08/05/2021340724381Open ↗
06/07/2021340724381Open ↗
Showing 3 of 8 on file for this type
▸Approvals, Objections & Sign-offs3
▸BISLANDMARKS SIGNOFF1
08/05/2021340724381Open ↗
▸BISLANDMARKS APPROVAL1
07/13/2020340724381Open ↗
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1
08/05/2021340724381Open ↗
▸Cost, Insurance & Ownership3
▸BISCOST AFFIDAVIT2
06/07/2021340724381Open ↗
04/08/2020340724381Open ↗
▸BISCOST AFFIDAVIT (FINAL): PW31
08/05/2021340724381Open ↗
▸Filing & Intake Forms9
▸BISADDITIONAL INFORMATION8
06/07/2021340724381Open ↗
05/24/2021340724381Open ↗
11/18/2020340724381Open ↗
Showing 3 of 8 on file for this type
▸BISEFILING JOB APPLICATION COVER SHEET1
04/08/2020340724381Open ↗