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Primarily 1 family with 1 store or office
3900 12 AVENUE
BROOKLYN · Borough Park · BIN 3135309
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1920Year Built
2Stories
S1Building Class
R6Zoning
2,000 sfGross Floor Area
2Units
FDNY Report ↗
Primarily 1 family with 1 store or office · Owner of record: 1170 39TH ST REALTY LLC · 1,340 sf lot · 1.49 FAR built · Flood zone X
Locations of Work
Mechanical
Roof1p · 1 filing · 3 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
1170 39TH ST403/21/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
RISE ARCHITECTURE111/03/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
JACK JAFFA & ASSOCIATES203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
ALL BOROUGH RENOVATIONS CGeneral Contractor107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
BIZ DESIGNS LLC6312111/03/2025
Building Lifecycle
All (23)Filed (1)Permit Issued (1)Signed Off (1)Objection (20)
01/29/2026
Signed off — Alteration
Replace condenser unit at roof as shown on plans filed herewith.
B01309552-I1
01/25/2026
Permit issued — Mechanical Systems
B01309552-I1-MS
12/24/2025
Objection resolved — Addressed
12/24/2025
Objection resolved — Addressed
12/24/2025
Objection resolved — Addressed
12/24/2025
Objection resolved — Addressed
12/24/2025
Objection resolved — Addressed
12/24/2025
Objection resolved — Addressed
12/24/2025
Objection resolved — Addressed
12/24/2025
Objection resolved — Addressed
12/24/2025
Objection resolved — Addressed
12/24/2025
Objection resolved — Addressed
11/18/2025
Objection raised — Other
11/18/2025
Objection raised — Other
11/18/2025
Objection raised — Other
11/18/2025
Objection raised — Other
11/18/2025
Objection raised — Cost
11/18/2025
Objection raised — Other
11/18/2025
Objection raised — Other
11/18/2025
Objection raised — Other
11/18/2025
Objection raised — Other
11/18/2025
Objection raised — Other
11/03/2025
Filed — Alteration
Replace condenser unit at roof as shown on plans filed herewith.
B01309552-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offALL BOROUGH RENOVATIONS C01/25/2026
BISMHISSUED21ST CENTURY CONSTRUCTION & DEV12/18/2002
BISPLISSUEDS & J INDUSTRIAL CORP02/12/2001
BISEQISSUED21ST CENTURY CONSTRUCTION INC01/25/2001
BIS—ISSUED21 CENTURY CONSTRUCTION INC01/25/2001
BIS—ISSUED21 CENTURY CONSTRUCTION INC09/01/2000
Nothing on file for this building.
Nothing on file for this building.
▾Documents — 3 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/14/2026B01309552-I1Request digital key ↗
▸Seals & Professional Certifications1
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/13/2026B01309552-I1Open ↗
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/13/2026B01309552-I1Open ↗