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Miscellaneous one family
305 HUMBOLDT STREET
BROOKLYN · BIN 3069447
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1910Year Built
2Stories
A9Building Class
R6BZoning
1,491 sfGross Floor Area
1Units
Rent StabilizedFDNY Report ↗
Miscellaneous one family · Owner of record: 305 HUMBOLDT LLC · 1,083 sf lot · 1.38 FAR built · Flood zone X
Locations of Work
ArchitectureElectricalGeneral
Floor 34p · 1 filing · 20 docs
Floor 21p · 1 filing · 20 docs
Floor 11p · 1 filing · 20 docs
Cellar1p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
PSA BROOKLYN DEVELOPMENT LLC2007/08/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
12/19/2025$3.1M—305 HUMBOLDT LLC → Private party$2,079/sf building
10/15/2024$1.4M—Private party → 305 HUMBOLDT LLC$939/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
CQ&J CORPORATION705/12/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
WM ARCH1403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
MORELL BUILDERS INCGeneral Contractor407/08/2026
SUPERIOR PLUMBING & HEATINGPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
NKM ENGINEERING PLLC6244405/12/2025
Building Lifecycle
All (44)Filed (7)Permit Issued (3)Signed Off (3)Inspection (7)Special Inspection (24)
06/26/2025
Signed off — Alteration
EXISTING 1 FAMILY BUILDING WITH INTERIOR RENOVATION ON PARTITION WORK AT THE CELLAR, BASEMENT, 1ST, 2ND & 3RD FLOORS ONLY. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01136213-I1
06/24/2025
Inspection — Pass-Final General Construction Non-Directive 14
Pass
View inspection ↗
06/20/2025
Signed off — Alteration
EXISTING 1 FAMILY BUILDING WITH INTERIOR RENOVATION ON PARTITION WORK AT THE CELLAR, BASEMENT, 1ST, 2ND & 3RD FLOORS ONLY. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01136213-S1
06/17/2025
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
06/13/2025
Inspection — Fail-Final General Construction Non-Directive 14
Fail
View inspection ↗
06/13/2025
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
06/09/2025
Signed off — Alteration
B01140449-I1
05/12/2025
Filed — Alteration
EXISTING 1 FAMILY BUILDING WITH INTERIOR RENOVATION ON PARTITION WORK AT THE CELLAR, BASEMENT, 1ST, 2ND & 3RD FLOORS ONLY. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01136213-P3
05/12/2025
Filed — Alteration
EXISTING 1 FAMILY BUILDING WITH INTERIOR RENOVATION ON PARTITION WORK AT THE CELLAR, BASEMENT, 1ST, 2ND & 3RD FLOORS ONLY. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01136213-P4
05/12/2025
Special inspection requirement — Energy Code Compliance Inspections
CALVIN TRAN
05/12/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
CALVIN TRAN
05/12/2025
Special inspection requirement — Maintenance information
CALVIN TRAN
05/12/2025
Special inspection requirement — HVAC-R and service water heating system controls
CALVIN TRAN
05/12/2025
Special inspection requirement — HVAC-R and service water heating equipment
CALVIN TRAN
05/05/2025
Special inspection requirement — Air barrier - visual inspection
CALVIN TRAN
05/05/2025
Special inspection requirement — Interior lighting power
CALVIN TRAN
05/05/2025
Special inspection requirement — Fenestration air leakage
CALVIN TRAN
05/05/2025
Special inspection requirement — HVAC-R and service water heating equipment
05/05/2025
Special inspection requirement — Maintenance information
05/05/2025
Special inspection requirement — Metering
CALVIN TRAN
05/05/2025
Special inspection requirement — Insulation placement and R values
CALVIN TRAN
05/05/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
05/05/2025
Special inspection requirement — HVAC-R and service water heating system controls
05/05/2025
Special inspection requirement — Energy Code Compliance Inspections
CALVIN TRAN
05/05/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
CALVIN TRAN
05/05/2025
Special inspection requirement — HVAC-R and service water heating system controls
CALVIN TRAN
05/05/2025
Special inspection requirement — HVAC-R and service water heating equipment
CALVIN TRAN
05/05/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
05/05/2025
Special inspection requirement — Maintenance information
CALVIN TRAN
05/05/2025
Special inspection requirement — Energy Code Compliance Inspections
CALVIN TRAN
05/05/2025
Special inspection requirement — Fire-Resistance Rated Construction
CALVIN TRAN
05/05/2025
Special inspection requirement — Fenestration areas
CALVIN TRAN
05/05/2025
Special inspection requirement — Fenestration and door U-factor and product ratings
CALVIN TRAN
02/07/2025
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
02/07/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
02/07/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
01/24/2025
Permit issued — Plumbing
B01136213-S1-PL
01/03/2025
Filed — Alteration
EXISTING 1 FAMILY BUILDING WITH INTERIOR RENOVATION ON PARTITION WORK AT THE CELLAR, BASEMENT, 1ST, 2ND & 3RD FLOORS ONLY. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01136213-S1
01/03/2025
Filed — Alteration
EXISTING 1 FAMILY BUILDING WITH INTERIOR RENOVATION ON PARTITION WORK AT THE CELLAR, BASEMENT, 1ST, 2ND & 3RD FLOORS ONLY. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01136213-P2
12/20/2024
Filed — Alteration
EXISTING 1 FAMILY BUILDING WITH INTERIOR RENOVATION ON PARTITION WORK AT THE CELLAR, BASEMENT, 1ST, 2ND & 3RD FLOORS ONLY. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01136213-P1
11/18/2024
Permit issued — General Construction
B01136213-I1-GC
11/14/2024
Permit issued — Construction Fence
B01140449-I1-FN
11/11/2024
Filed — Alteration
B01140449-I1
11/06/2024
Filed — Alteration
EXISTING 1 FAMILY BUILDING WITH INTERIOR RENOVATION ON PARTITION WORK AT THE CELLAR, BASEMENT, 1ST, 2ND & 3RD FLOORS ONLY. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01136213-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingSigned-offSUPERIOR PLUMBING & HEATI01/24/2025
DOB NOWGeneral ConstructionSigned-offMORELL BUILDERS INC11/18/2024
DOB NOWConstruction FenceSigned-offMORELL BUILDERS INC11/14/2024
1 project · most recent 08/08/2025
General Wiring
FiledStatusContractorScope
08/08/2025CompleteINFINITI ELECTRIC CORPGeneral Wiring
▾Field Inspections (DOB CAP) — 7
DateTypeResultReport
06/24/2025Pass-Final General Construction Non-Directive 14PassView ↗
06/17/2025Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
06/13/2025Fail-Final General Construction Non-Directive 14FailView ↗
06/13/2025Pass-Final PL - Up to 3 Requested FloorsPassView ↗
02/07/2025Certified Gas-Gas-Piping-RoughingCertifiedView ↗
02/07/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
02/07/2025Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 24
DateRequirementInspectorRole
05/12/2025Energy Code Compliance InspectionsCALVIN TRANprogress
05/12/2025HVAC-R and service water piping design and insulationCALVIN TRANenergy_progress
05/12/2025Maintenance informationCALVIN TRANenergy_progress
05/12/2025HVAC-R and service water heating system controlsCALVIN TRANenergy_progress
05/12/2025HVAC-R and service water heating equipmentCALVIN TRANenergy_progress
05/05/2025Air barrier - visual inspectionCALVIN TRANenergy_progress
05/05/2025Interior lighting powerCALVIN TRANenergy_progress
05/05/2025Fenestration air leakageCALVIN TRANenergy_progress
05/05/2025HVAC-R and service water heating equipment—energy_progress
05/05/2025Maintenance information—energy_progress
05/05/2025MeteringCALVIN TRANenergy_progress
05/05/2025Insulation placement and R valuesCALVIN TRANenergy_progress
05/05/2025HVAC-R and service water piping design and insulation—energy_progress
05/05/2025HVAC-R and service water heating system controls—energy_progress
05/05/2025Energy Code Compliance InspectionsCALVIN TRANprogress
05/05/2025HVAC-R and service water piping design and insulationCALVIN TRANenergy_progress
05/05/2025HVAC-R and service water heating system controlsCALVIN TRANenergy_progress
05/05/2025HVAC-R and service water heating equipmentCALVIN TRANenergy_progress
05/05/2025Fire-Resistant Penetrations and JointsNARESH MAHANGUspecial
05/05/2025Maintenance informationCALVIN TRANenergy_progress
05/05/2025Energy Code Compliance InspectionsCALVIN TRANprogress
05/05/2025Fire-Resistance Rated ConstructionCALVIN TRANprogress
05/05/2025Fenestration areasCALVIN TRANenergy_progress
05/05/2025Fenestration and door U-factor and product ratingsCALVIN TRANenergy_progress
▾Documents — 27 on file (BIS + DOB NOW)
▸Plans & Drawings7
▸DOB NOWPlans/Sketch7
08/23/2026B01140449-I1Request digital key ↗
08/23/2026B01136213-S1Request digital key ↗
08/23/2026B01136213-P1Request digital key ↗
Showing 3 of 7 on file for this type
▸Seals & Professional Certifications14
▸DOB NOWDPL-1: Design Professional Seal & Signature7
08/23/2026B01140449-I1Open ↗
08/23/2026B01136213-S1Open ↗
08/23/2026B01136213-I1Open ↗
Showing 3 of 7 on file for this type
▸DOB NOWProgress Inspector Seal & Signature6
08/28/2026B01136213-P3Open ↗
08/28/2026B01136213-P3Open ↗
08/26/2026B01136213-P4Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature1
08/28/2026B01136213-P3Open ↗
▸Environmental & Asbestos6
▸DOB NOWDEP ACP-5: Asbestos Assessment Report6
08/23/2026B01136213-S1Open ↗
08/23/2026B01136213-P1Open ↗
08/23/2026B01136213-P4Open ↗
Showing 3 of 6 on file for this type