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Two family converted from one family
6308 21 AVENUE
BROOKLYN · BIN 3133285
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1915Year Built
2Stories
B3Building Class
R5Zoning
1,640 sfGross Floor Area
2Units
FDNY Report ↗
Two family converted from one family · 2,208 sf lot · 0.74 FAR built · Flood zone X
Locations of Work
ArchitectureMechanical
Floor 21p · 1 filing · 20 docs
Floor 1
Basement2p · 1 filing · 20 docs
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
CONSTRCTN. MGNT. & SFTY. CON., INC.209/15/2022
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
BEYOND BUILDING INCGeneral Contractor407/08/2026
JIAN YANG YUElectrical103/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
CMSC, INC6098209/15/2022
Building Lifecycle
All (25)Filed (2)Permit Issued (2)Signed Off (1)Objection (2)Special Inspection (18)
10/06/2022
Signed off — Alteration
REPLACE EXISTING WINDOWS, PARTITION WALLS, DOORS, CEILING AND FLOORING ON BASEMENT, 1ST FLOOR AND 2ND FLOOR. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
B00448176-I1
09/20/2022
Special inspection requirement — Fenestration air leakage
EDUARD GRINFELD
09/20/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
EDUARD GRINFELD
09/20/2022
Special inspection requirement — Energy Code Compliance
EDUARD GRINFELD
09/20/2022
Special inspection requirement — Fire-Resistance Rated Construction
EDUARD GRINFELD
09/20/2022
Special inspection requirement — Energy Code Compliance Inspections
EDUARD GRINFELD
09/20/2022
Special inspection requirement — Air barrier - visual inspection
EDUARD GRINFELD
09/20/2022
Special inspection requirement — Insulation placement and R values
EDUARD GRINFELD
09/20/2022
Special inspection requirement — Fenestration and door U-factor and product ratings
EDUARD GRINFELD
09/20/2022
Special inspection requirement — Fenestration areas
EDUARD GRINFELD
09/19/2022
Objection raised — Scope
09/19/2022
Objection resolved — Addressed
09/15/2022
Filed — Alteration
REPLACE EXISTING WINDOWS, PARTITION WALLS, DOORS, CEILING AND FLOORING ON BASEMENT, 1ST FLOOR AND 2ND FLOOR. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
B00448176-P1
09/14/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
EDUARD GRINFELD
09/14/2022
Special inspection requirement — Energy Code Compliance
EDUARD GRINFELD
09/14/2022
Special inspection requirement — Energy Code Compliance Inspections
EDUARD GRINFELD
09/14/2022
Special inspection requirement — Fire-Resistance Rated Construction
EDUARD GRINFELD
09/14/2022
Special inspection requirement — Air barrier - visual inspection
EDUARD GRINFELD
09/14/2022
Special inspection requirement — Insulation placement and R values
EDUARD GRINFELD
09/14/2022
Special inspection requirement — Fenestration air leakage
EDUARD GRINFELD
09/14/2022
Special inspection requirement — Fenestration areas
EDUARD GRINFELD
09/14/2022
Special inspection requirement — Fenestration and door U-factor and product ratings
EDUARD GRINFELD
03/09/2021
Permit issued — General Construction
B00448176-I1-GC
01/23/2021
Permit issued — General Construction
B00448176-I1-GC
01/08/2021
Filed — Alteration
REPLACE EXISTING WINDOWS, PARTITION WALLS, DOORS, CEILING AND FLOORING ON BASEMENT, 1ST FLOOR AND 2ND FLOOR. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
B00448176-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionSigned-offBEYOND BUILDING INC03/09/2021
DOB NOWGeneral ConstructionSigned-offBEYOND BUILDING INC01/23/2021
1 project · most recent 12/10/2020
General Wiring
FiledStatusContractorScope
12/10/2020CompleteJ Y ELECTRIC INCGeneral Wiring
▾Special Inspection Requirements (DOB NOW) — 18
DateRequirementInspectorRole
09/20/2022Fenestration air leakageEDUARD GRINFELDenergy_progress
09/20/2022Fire-Resistant Penetrations and JointsEDUARD GRINFELDspecial
09/20/2022Energy Code ComplianceEDUARD GRINFELDprogress
09/20/2022Fire-Resistance Rated ConstructionEDUARD GRINFELDprogress
09/20/2022Energy Code Compliance InspectionsEDUARD GRINFELDprogress
09/20/2022Air barrier - visual inspectionEDUARD GRINFELDenergy_progress
09/20/2022Insulation placement and R valuesEDUARD GRINFELDenergy_progress
09/20/2022Fenestration and door U-factor and product ratingsEDUARD GRINFELDenergy_progress
09/20/2022Fenestration areasEDUARD GRINFELDenergy_progress
09/14/2022Fire-Resistant Penetrations and JointsEDUARD GRINFELDspecial
09/14/2022Energy Code ComplianceEDUARD GRINFELDprogress
09/14/2022Energy Code Compliance InspectionsEDUARD GRINFELDprogress
09/14/2022Fire-Resistance Rated ConstructionEDUARD GRINFELDprogress
09/14/2022Air barrier - visual inspectionEDUARD GRINFELDenergy_progress
09/14/2022Insulation placement and R valuesEDUARD GRINFELDenergy_progress
09/14/2022Fenestration air leakageEDUARD GRINFELDenergy_progress
09/14/2022Fenestration areasEDUARD GRINFELDenergy_progress
09/14/2022Fenestration and door U-factor and product ratingsEDUARD GRINFELDenergy_progress
▾Documents — 25 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch - General Construction2
09/01/2026B00448176-I1Request digital key ↗
08/15/2026B00448176-P1Request digital key ↗
▸Seals & Professional Certifications20
▸DOB NOWProgress Inspector Seal & Signature16
09/01/2026B00448176-P1Open ↗
09/01/2026B00448176-P1Open ↗
09/01/2026B00448176-P1Open ↗
Showing 3 of 16 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature2
09/01/2026B00448176-I1Open ↗
09/01/2026B00448176-P1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature2
09/01/2026B00448176-P1Open ↗
08/23/2026B00448176-I1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
09/01/2026B00448176-I1Open ↗
08/15/2026B00448176-P1Open ↗
▸Energy Compliance1
▸DOB NOWEN2: As Built Energy Analysis.1
08/13/2026B00448176-I1Open ↗