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Miscellaneous one family
20 JEFFERSON AVENUE
BROOKLYN · Bedford-Stuyvesant (West) · BIN 3057379
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1899Year Built
2Stories
A9Building Class
R6BZoning
2,205 sfGross Floor Area
1Units
0 Open ViolationsFDNY Report ↗
Miscellaneous one family · 2,100 sf lot · 1.05 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbingEquipmentGeneral
Floor 347p · 4 filings · 20 docs
Floor 246p · 4 filings · 20 docs
Floor 146p · 5 filings · 20 docs
Cellar33p · 2 filings · 13 docs
Sub-Basement3p · 1 filing · 7 docs
Site & exterior6p · 1 filing · 2 docs
Filed — no permit issued5p · 1 filing · 4 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
BLOCPOWER707/08/2026
R.N.K. ROMEO CONSTRUCTION INC703/22/2026
JASCO, INC503/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
07/22/2021$1.4M—— → —$624/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
WELLS ENGINEERING, PLLC308/04/2023
MOSTAFA112/09/2022
ARQUITECTURA VARELA411/01/2022
ASR ENGINEERING PC110/03/2022
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
NOEL BUILDING CONSULTING INC603/21/2026
RP DEVELOPMENT GROUP203/21/2026
ADVANCED BUILDERS SERVICES103/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
R.N.K. ROMEO CONST INCGeneral Contractor1007/08/2026
JASCO, INCGeneral Contractor303/21/2026
MAVEN ELECTRIC INCElectrical103/22/2026
CLIMATE CHANGE MECHANICALGeneral Contractor107/08/2026
DV PLUMBING INCPlumbing107/08/2026
WASOFF PLBG & UTILITY COPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
WELLS DESIGN & CONSULTING7750308/04/2023
HRF SERVICES CORP5616112/09/2022
BUTTERFIELD & O'CONNOR4189311/01/2022
Building Lifecycle
All (40)Filed (9)Permit Issued (8)Signed Off (1)Violation (4)Inspection (1)Special Inspection (17)
01/19/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
12/13/2023
Permit issued — Plumbing
B00751805-I1-PL
08/08/2023
Special inspection requirement — Energy Code Compliance Inspections
Tyrone Wells
08/08/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
Tyrone Wells
08/04/2023
Filed — Alteration
Installation of bathroom and kitchen fixtures. No change in use, egress, or occupancy under this application. See comment#24
B00751805-P1
07/17/2023
Special inspection requirement — Energy Code Compliance Inspections
Tyrone Wells
07/17/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
Tyrone Wells
06/09/2023
Permit issued — Construction Fence
B00753181-I1-FN
05/05/2023
Signed off — Alteration
B08013143-I1
03/24/2023
Permit issued — Mechanical Systems
B00751837-I1-MS
03/02/2023
Violation issued (ECB, closed)
Construction
02/24/2023
Permit issued — Structural
B08049582-I1-ST
02/14/2023
Permit issued — Plumbing
B00751805-I1-PL
01/04/2023
Special inspection requirement — Wood – Seismic Resistance
FAHAD FATEH
12/09/2022
Filed — Alteration
B08049582-I1
12/08/2022
Special inspection requirement — Structural Stability – Alterations of existing buildings
FAHAD FATEH
12/08/2022
Special inspection requirement — Structural Steel - Welding
FAHAD FATEH
12/08/2022
Special inspection requirement — Wood – High-Load Diaphragms
FAHAD FATEH
12/05/2022
Special inspection requirement — Structural Steel - Details
FAHAD FATEH
12/05/2022
Special inspection requirement — Final
FAHAD FATEH
11/02/2022
Special inspection requirement — Final
Vicente Varela
11/02/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
BRIAN T. O'CONNOR
11/02/2022
Special inspection requirement — Energy Code Compliance Inspections
BRIAN T. O'CONNOR
11/01/2022
Filed — Alteration
HEREWITH FILING FOR INTERIOR RENOVATION ON FLOORS 1ST, 2ND AND 3RD TO INCLUDE REPLACEMENT OF FLOOR FINISHES, REMOVAL OF NON-LOAD BEARING PARTITIONS, INSTALLATION OF NEW NON-LOAD BEARING PARTITIONS, REMOVAL AND INSTALLATION OF NEW PLUMBING FIXTURES.
B00717261-P1
10/26/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
BRIAN T. O'CONNOR
10/26/2022
Special inspection requirement — Energy Code Compliance Inspections
BRIAN T. O'CONNOR
10/26/2022
Special inspection requirement — Final
Vicente Varela
10/24/2022
Violation issued (ECB, closed)
Construction
10/24/2022
Violation issued (ECB, closed)
Construction
10/24/2022
Violation issued (ECB, closed)
Construction
10/20/2022
Filed — Alteration
Installation of bathroom and kitchen fixtures. No change in use, egress, or occupancy under this application. See comment#24
B00751805-I1
10/19/2022
Filed — Alteration
Installation of new HVAC equipment, ductwork, and piping for renovated One-family home. No change of use, egress, or occupancy under this application.
B00751837-I1
10/03/2022
Filed — Alteration
B08013143-I1
10/03/2022
Permit issued — Supported Scaffold
B08013143-I1-SF
06/08/2022
Permit issued — Construction Fence
B00753181-I1-FN
06/07/2022
Filed — Alteration
B00753181-I1
05/17/2022
Permit issued — General Construction
B00717261-I1-GC
05/02/2022
Filed — Alteration
HEREWITH FILING FOR INTERIOR RENOVATION ON FLOORS 1ST, 2ND AND 3RD TO INCLUDE REPLACEMENT OF FLOOR FINISHES, REMOVAL OF NON-LOAD BEARING PARTITIONS, INSTALLATION OF NEW NON-LOAD BEARING PARTITIONS, REMOVAL AND INSTALLATION OF NEW PLUMBING FIXTURES.
B00717261-I1
05/02/2022
Filed — Alteration
PLUMBING MODIFICATIONS AS PER PLANS
B00720331-I1
04/18/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
BRIAN T. O'CONNOR
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingPermit IssuedWASOFF PLBG & UTILITY CO12/13/2023
DOB NOWConstruction FencePermit IssuedR.N.K. ROMEO CONST INC06/09/2023
DOB NOWMechanical SystemsPermit IssuedCLIMATE CHANGE MECHANICAL03/24/2023
DOB NOWStructuralSigned-offR.N.K. ROMEO CONST INC02/24/2023
DOB NOWPlumbingPermit IssuedDV PLUMBING INC02/14/2023
DOB NOWSupported ScaffoldSigned-offJASCO, INC10/03/2022
DOB NOWConstruction FencePermit IssuedR.N.K. ROMEO CONST INC06/08/2022
DOB NOWGeneral ConstructionPermit IssuedR.N.K. ROMEO CONST INC05/17/2022
BISOTISSUEDEMANUEL BROS CONSTRUCTION10/10/1997
1 project · most recent 10/19/2022
Associated Ducts and Piping Heating and Air Conditioning Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
10/19/2022Permit IssuedCLIMATE CHANGE MECHANICALAssociated Ducts and Piping, Heating and Air Conditioning Systems, Ventilation Systems
Heat / Cool
Daikin RZQ18TAVJUA 38,000 BTU · Heat Pump Outdoor ×1
RZQ30TAVJUA 64,000 BTU · Vrf Outdoor ×1
RZQ48TAVJUA 102,000 BTU · Heat Pump Outdoor ×1
Ventilation
Broan Erv200 210 CFM · Exhaust Fan ×1
Ervs100 100 CFM · Exhaust Fan ×1
Ducts & Piping
N/A N/A 1 CFM ×5
2 projects · most recent 08/04/2023
Gas Water/Sanitary
FiledStatusContractorScope
08/04/2023Permit IssuedWASOFF PLBG & UTILITY COGas, Water/Sanitary
05/02/2022——Gas, Water/Sanitary
1 project · most recent 08/14/2023
FiledStatusContractorScope
08/14/2023CompleteMAVEN ELECTRIC INC1 meters, 1 new_meters
▾Field Inspections (DOB CAP) — 1
DateTypeResultReport
01/19/2024Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 17
DateRequirementInspectorRole
08/08/2023Energy Code Compliance InspectionsTyrone Wellsprogress
08/08/2023Fire-Resistant Penetrations and JointsTyrone Wellsspecial
07/17/2023Energy Code Compliance InspectionsTyrone Wellsprogress
07/17/2023Fire-Resistant Penetrations and JointsTyrone Wellsspecial
01/04/2023Wood – Seismic ResistanceFAHAD FATEHspecial
12/08/2022Structural Stability – Alterations of existing buildingsFAHAD FATEHspecial
12/08/2022Structural Steel - WeldingFAHAD FATEHspecial
12/08/2022Wood – High-Load DiaphragmsFAHAD FATEHspecial
12/05/2022Structural Steel - DetailsFAHAD FATEHspecial
12/05/2022FinalFAHAD FATEHprogress
11/02/2022FinalVicente Varelaprogress
11/02/2022Fire-Resistant Penetrations and JointsBRIAN T. O'CONNORspecial
11/02/2022Energy Code Compliance InspectionsBRIAN T. O'CONNORprogress
10/26/2022Fire-Resistant Penetrations and JointsBRIAN T. O'CONNORspecial
10/26/2022Energy Code Compliance InspectionsBRIAN T. O'CONNORprogress
10/26/2022FinalVicente Varelaprogress
04/18/2022Fire-Resistant Penetrations and JointsBRIAN T. O'CONNORspecial
▾Documents — 40 on file (BIS + DOB NOW)
▸Plans & Drawings9
▸DOB NOWPlans/Sketch9
08/29/2026B00720331-I1Request digital key ↗
08/29/2026B00753181-I1Request digital key ↗
08/28/2026B08013143-I1Request digital key ↗
Showing 3 of 9 on file for this type
▸Seals & Professional Certifications24
▸DOB NOWDPL-1: Design Professional Seal & Signature9
08/28/2026B00717261-I1Open ↗
08/28/2026B08049582-I1Open ↗
08/13/2026B00720331-I1Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature8
08/29/2026B00751805-I1Open ↗
08/28/2026B00720331-I1Open ↗
08/28/2026B00717261-I1Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWProgress Inspector Seal & Signature7
08/29/2026B00751805-I1Open ↗
08/28/2026B00717261-I1Open ↗
08/28/2026B00717261-I1Open ↗
Showing 3 of 7 on file for this type
▸Environmental & Asbestos7
▸DOB NOWDEP ACP-5: Asbestos Assessment Report7
08/28/2026B00717261-I1Open ↗
08/28/2026B08049582-I1Open ↗
08/13/2026B00720331-I1Open ↗
Showing 3 of 7 on file for this type