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Three families
623 JEFFERSON AVENUE
BROOKLYN · BIN 3045432
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1899Year Built
3Stories
C0Building Class
R6BZoning
3,548 sfGross Floor Area
3Units
Rent Stabilized6 Open Violations ▸FDNY Report ↗
Three families · 1,900 sf lot · 1.87 FAR built · Flood zone X
Locations of Work
ArchitectureMechanicalPlumbing
Floor 34p · 1 filing · 20 docs
Floor 24p · 1 filing · 20 docs
Floor 13p · 1 filing · 20 docs
Cellar4p · 1 filing · 20 docs
Sub-Basement3p · 1 filing · 20 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
12/08/2022$1.8M—— → —$507/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
OCV ARCHITECTS804/29/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
OCV ARCHITECTS603/21/2026
EC BUILDING CONSULTANTS403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
COBURN CONSTRUCTION MANAGGeneral Contractor304/09/2026
WAWEL PLBG AND HTG CORPPlumbing207/08/2026
RYBURN PHILLIPSElectrical103/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
ACE STRUCTURAL ENGINEERIN496402/27/2025
Building Lifecycle
All (5)Permit Issued (5)
11/01/2024
Permit issued — Plumbing
B00832810-S1-PL
07/13/2023
Permit issued — Mechanical Systems
B00832810-S4-MS
06/05/2023
Permit issued — Structural
B00832810-S2-ST
05/04/2023
Permit issued — Plumbing
B00832810-S1-PL
03/02/2023
Permit issued — General Construction
B00832810-I1-GC
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingSigned-offWAWEL PLBG AND HTG CORP11/01/2024
DOB NOWMechanical SystemsSigned-offCOBURN CONSTRUCTION MANAG07/13/2023
DOB NOWStructuralSigned-offCOBURN CONSTRUCTION MANAG06/05/2023
DOB NOWPlumbingSigned-offWAWEL PLBG AND HTG CORP05/04/2023
DOB NOWGeneral ConstructionPermit IssuedCOBURN CONSTRUCTION MANAG03/02/2023
BIS—ISSUEDKAMAL CONST07/26/2007
1 project · most recent 04/29/2025
Heating and Air Conditioning Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
04/29/2025Signed-offCOBURN CONSTRUCTION MANAGHeating and Air Conditioning Systems, Ventilation Systems
Heat / Cool
Mitsubishi Electric MXZSM48NAMU1 48,000 BTU · Condensing Unit ×4
Ventilation
Mitsubishi Electric PEFY-P18NMAU-E4 320 CFM · Vrf Indoor ×6
PEFY-P12NMAU-E4 300 CFM · Vrf Indoor ×4
PEFY-P15NMAU-E4 420 CFM · Vrf Indoor ×4
PEFYP15NMAUE 220 CFM · Vrf Indoor ×2
1 project · most recent 04/29/2025
Gas Water/Sanitary
FiledStatusContractorScope
04/29/2025Signed-offWAWEL PLBG AND HTG CORPGas, Water/Sanitary
3 projects · most recent 03/19/2025
General Wiring
FiledStatusContractorScope
03/19/2025Permit IssuedAE ELECTRIC INCGeneral Wiring
08/10/2023Permit IssuedJP & SON ELECTRIC CORPGeneral Wiring
03/17/2023CompleteAE ELECTRIC INC—
Nothing on file for this building.
Nothing on file for this building.