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Three families
45 HEMLOCK STREET
BROOKLYN · BIN 3091072
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1910Year Built
3Stories
C0Building Class
R5Zoning
4,968 sfGross Floor Area
3Units
Rent Stabilized0 Open Violations
Three families · Owner of record: 45 HEMLOCK LLC · 2,500 sf lot · 1.99 FAR built · Flood zone X
Locations of Work
ArchitectureMechanicalPlumbing
Permit Issued — active, not yet Signed-off
Floor 3Under Construction8p · 1 filing · 6 docs
Floor 2Under Construction8p · 1 filing · 6 docs
Floor 1Under Construction8p · 1 filing · 6 docs
CellarUnder Construction10p · 1 filing · 6 docs
1 job · most recent 06/09/2026
Heating and Air Conditioning Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
06/09/2026Permit IssuedCOMPLEX DEVELOPMENT INCHeating and Air Conditioning Systems, Ventilation Systems
Heat / Cool
Mitsubishi Electric PKFY-M08NLMU-A 237 CFM · Vrf Indoor ×6
PKFY-M12NLMU-A 297 CFM · Vrf Indoor ×6
MXZ-SM48NL 2,140 CFM · Condensing Unit ×3
Ventilation
Delta Breeze ×3
1 job · most recent 06/09/2026
Gas Water/Sanitary
FiledStatusContractorScope
06/09/2026Permit IssuedSIGNORE & SONS PLBG CORPGas, Water/Sanitary
1 job · most recent 04/20/2026
General Wiring
FiledStatusContractorScope
04/20/2026Permit IssuedWCK ELECTRIC CORP.General Wiring
Building Lifecycle
All (19)Filed (2)Permit Issued (3)Violation (9)Inspection (5)
08/18/2026
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
06/26/2026
Permit issued — Mechanical Systems
B01392577-I1-MS
06/24/2026
Permit issued — General Construction
B01392577-I1-GC
06/24/2026
Permit issued — Plumbing
B01392577-S1-PL
06/09/2026
Filed — Alteration
PLUMBING WORK IN CONNECTION WITH INTERIOR RENOVATION OF THREE DWELLING UNITS. RELOCATE KITCHENS, INSTALL NEW BATHROOMs as per submitted plans.
B01392577-S1
06/08/2026
Filed — Alteration
PLUMBING WORK IN CONNECTION WITH INTERIOR RENOVATION OF THREE DWELLING UNITS. RELOCATE KITCHENS, INSTALL NEW BATHROOMs as per submitted plans.
B01392577-I1
11/18/2025
Violation issued (HPD, closed)
I
06/09/2025
Violation issued (HPD, closed)
A
01/30/2025
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
01/28/2025
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
10/31/2024
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
10/31/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
04/10/2024
Violation issued (HPD, closed)
A
03/23/2023
Violation issued (HPD, closed)
A
11/07/2022
Violation issued (HPD, closed)
I
02/25/2022
Violation issued (HPD, closed)
A
04/09/2021
Violation issued (HPD, closed)
A
11/09/2016
Violation issued (HPD, closed)
I
10/09/2015
Violation issued (HPD, closed)
I
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
45 HEMLOCK LLC103/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
02/07/2025$1.3M—Private party → 45 HEMLOCK LLC$257/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
CQ&J CORPORATION206/09/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
COMPLEX DEVELOPMENT INCGeneral Contractor206/28/2026
SIGNORE & SONS PLBG CORPPlumbing106/27/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
AA BUILDING & INSPECTION1519106/08/2026
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsPermit IssuedCOMPLEX DEVELOPMENT INC06/26/2026
DOB NOWGeneral ConstructionPermit IssuedCOMPLEX DEVELOPMENT INC06/24/2026
DOB NOWPlumbingPermit IssuedSIGNORE & SONS PLBG CORP06/24/2026
▾Field Inspections (DOB CAP) — 5
DateTypeResultReport
08/18/2026Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
01/30/2025Certified Gas-Gas-Piping-RoughingCertifiedView ↗
01/28/2025Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
10/31/2024Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
10/31/2024Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Documents — 6 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/16/2026B01392577-S1Request digital key ↗
08/16/2026B01392577-I1Request digital key ↗
▸Seals & Professional Certifications2
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/16/2026B01392577-S1Open ↗
08/16/2026B01392577-I1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/16/2026B01392577-S1Open ↗
08/16/2026B01392577-I1Open ↗