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Two family converted from one family
527A HANCOCK STREET
BROOKLYN · BIN 3045789
💬 Discuss this project
1899Year Built
3Stories
B3Building Class
R6BZoning
3,240 sfGross Floor Area
2Units
Rent Stabilized1 Open Violation ▸FDNY Report ↗
Two family converted from one family · Owner of record: ARI VENTURE INC · 1,800 sf lot · 1.8 FAR built · Flood zone X
Locations of Work
No floor-level scope or drawing coverage on file for this building.
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
718 DEVELOPMENT GROUP807/08/2026
RESIDENCE AT HANCOCK 527A LL303/21/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
12/23/2020$2.4M—THE RESIDENCE AT HANCOCK 527A LLC → ARI VENTURE INC$733/sf building
08/21/2017$1.2M—— → —$371/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
JUNG Y. SHIN LLC105/10/2018
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
EXPERTDESIGNERS CONSULTING203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
EXPERTDESIGNERS,DESIGNGeneral Contractor707/08/2026
Building Lifecycle
All (13)Filed (1)Permit Issued (3)Signed Off (1)Violation (8)
11/24/2025
Violation issued (HPD, closed)
I
12/04/2024
Violation issued (HPD, closed)
I
11/28/2023
Violation issued (HPD, closed)
I
11/17/2022
Violation issued (HPD, closed)
I
03/16/2022
Violation issued (HPD, closed)
I
03/03/2021
Violation issued (HPD, open)
C
02/04/2020
Signed off — Alteration
B00042579-I1
12/04/2019
Permit issued — Construction Fence
B00042579-I1-FN
11/07/2019
Violation issued (HPD, closed)
I
09/18/2018
Permit issued — Construction Fence
B00042579-I1-FN
05/10/2018
Filed — Alteration
B00042579-I1
05/10/2018
Permit issued — Construction Fence
B00042579-I1-FN
04/23/2004
Violation issued (HPD, closed)
C
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWConstruction FenceSigned-offEXPERTDESIGNERS,DESIGN12/04/2019
DOB NOWConstruction FenceSigned-offEXPERTDESIGNERS,DESIGN09/18/2018
DOB NOWConstruction FenceSigned-offEXPERTDESIGNERS,DESIGN05/10/2018
BIS—ISSUEDEXPERTDESIGNERS,DESIGN06/29/2018
BISPLISSUEDAMC PLBG, HTG & CLNG, INC01/22/2018
BIS—ISSUEDEXPERTDESIGNERS,DESIGN01/17/2018
2 projects · most recent 04/30/2019
General Wiring
FiledStatusContractorScope
04/30/2019CompleteDENNISON ELECTRIC CORPGeneral Wiring
01/12/2018CompleteK.A.B. ELECTRIC CORPGeneral Wiring
Nothing on file for this building.
▾Documents — 56 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
09/03/2026B00042579-I1Request digital key ↗
▸Applications & Permits21
▸BISPLAN - WORK & PERMITS - SUPPPORTING DOCUMENTATION13
10/10/2019321486799Open ↗
10/10/2019321486799Open ↗
05/29/2019321486799Open ↗
Showing 3 of 13 on file for this type
▸BISPLAN / WORK APPROVAL APPLICATION4
11/14/2019321486799Open ↗
06/06/2019321486799Open ↗
03/28/2019321486799Open ↗
Showing 3 of 4 on file for this type
▸BISWORK PERMIT APPLICATION3
07/03/2018321486799Open ↗
01/23/2018321486799Open ↗
01/17/2018321486799Open ↗
▸BISCERTIFICATE OF OCCUPANCY: APPLICATION1
02/22/2019321486799Open ↗
▸Zoning, Tax Lot & Property Records1
▸BISADDRESS: NEW HOUSE NUMBER APPROVED1
10/01/2019321486799Open ↗
▸Seals & Professional Certifications4
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION3
08/26/2019321486799Open ↗
08/26/2019321486799Open ↗
03/11/2019321486799Open ↗
▸DOB NOWDPL-1: Design Professional Seal & Signature1
09/03/2026B00042579-I1Open ↗
▸Trade Schedules & Equipment2
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE2
12/19/2018321486799Open ↗
11/09/2017321486799Open ↗
▸Safety & Tenant Protection1
▸BISSTREET TREE CHECKLIST1
11/09/2017321486799Open ↗
▸Environmental & Asbestos1
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
11/09/2017321486799Open ↗
▸Energy Compliance4
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS3
08/26/2019321486799Open ↗
08/26/2019321486799Open ↗
03/11/2019321486799Open ↗
▸BISAS-BUILT ENERGY ANALYSIS1
03/11/2019321486799Open ↗
▸Approvals, Objections & Sign-offs5
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST3
03/20/2020321486799Open ↗
01/09/2020321486799Open ↗
10/01/2019321486799Open ↗
▸BISSCHEDULE A - OCCUPANCY / USE2
11/14/2019321486799Open ↗
11/09/2017321486799Open ↗
▸Cost, Insurance & Ownership6
▸BISCOST AFFIDAVIT6
11/19/2019321486799Open ↗
10/01/2019321486799Open ↗
10/01/2019321486799Open ↗
Showing 3 of 6 on file for this type
▸Filing & Intake Forms9
▸BISBOROUGH INTAKE FORM4
03/20/2020321486799Open ↗
01/09/2020321486799Open ↗
10/01/2019321486799Open ↗
Showing 3 of 4 on file for this type
▸BISADDITIONAL INFORMATION4
07/05/2019321486799Open ↗
05/23/2019321486799Open ↗
03/11/2019321486799Open ↗
Showing 3 of 4 on file for this type
▸BISEFILING COVER SHEET1
11/09/2017321486799Open ↗
▸Other Documents1
▸BISPLOT DIAGRAM1
10/01/2019321486799Open ↗