← Back
Walk-up cooperative
521 DEAN STREET
BROOKLYN · Prospect Heights · BIN 3027629
💬 Discuss this project
1930Year Built
—Stories
C6Building Class
R6BZoning
7,428 sfGross Floor Area
10Units
Rent Stabilized3 Open Violations 2 unresolved · 1 paperwork only ▸FDNY Report ↗
Walk-up cooperative · Owner of record: 521 DEAN ST OWNERS CORP · 3,135 sf lot · 2.37 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
A D GENERAL CONTRACTORS404/09/2026
521 DEAN ST OWNERS CORP303/22/2026
521DEANST OWNERS203/21/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NKM ENGINEERING PLLC107/14/2026
BANGASH ASSOCIATES INC.110/24/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
GREEN STUDIO203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
A & D GENERAL CONTR INCGeneral Contractor104/09/2026
Building Lifecycle
All (20)Filed (2)Permit Issued (1)Violation (11)Objection (6)
08/31/2026
Objection resolved — Resolved
08/31/2026
Objection resolved — Resolved
08/31/2026
Objection resolved — Resolved
08/04/2026
Objection raised — Other
08/04/2026
Objection raised — Other
08/04/2026
Objection raised — Other
07/14/2026
Filed — Alteration
Extend existing chimney above roof to achieve code-compliant termination height. Install matching brick masonry, extend flue liner as required, and provide new concrete crown and chimney cap. No change in use, egress, occupancy, or floor area.
B01428156-I1
12/03/2025
Violation issued (ECB, open)
Unknown
10/27/2025
Permit issued — Sidewalk Shed
B01308555-I1-SH
10/24/2025
Filed — Alteration
B01308555-I1
08/12/2025
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
02/28/2025
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
08/05/2012
Violation issued (HPD, open)
C
08/05/2012
Violation issued (HPD, closed)
C
08/05/2012
Violation issued (HPD, closed)
C
08/05/2012
Violation issued (HPD, closed)
A
08/05/2012
Violation issued (HPD, closed)
A
03/19/2003
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
09/16/1997
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
07/25/1994
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSidewalk ShedPermit IssuedA & D GENERAL CONTR INC10/27/2025
BISPLISSUEDVIGILANTE CONTRACTING CO06/28/2018
BISOTISSUEDBNH CONSTRUCTION NY INC05/22/2018
BISOTISSUEDBNOLIMIT CONSULTING LLC01/08/2013
1 project · most recent 11/12/2025
FiledStatusContractorScope
11/12/2025Permit IssuedRICHARD NEU—
Nothing on file for this building.
▾Documents — 70 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/20/2026B01308555-I1Request digital key ↗
08/15/2026B01428156-I1Request digital key ↗
▸Applications & Permits6
▸BISWORK PERMIT APPLICATION3
06/28/2018340588224Open ↗
05/22/2018340588224Open ↗
01/09/2013320690169Open ↗
▸BISPLAN / WORK APPROVAL APPLICATION3
03/13/2018340588224Open ↗
08/16/2013320690169Open ↗
12/12/2012320690169Open ↗
▸Seals & Professional Certifications15
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION7
09/13/2019340588224Open ↗
09/04/2019340588224Open ↗
07/26/2019340588224Open ↗
Showing 3 of 7 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/20/2026B01308555-I1Open ↗
08/16/2026B01428156-I1Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM1
12/12/2012320690169Open ↗
▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1
03/13/2018340588224Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
03/13/2018340588224Open ↗
▸BISAPPLICANT OWNER SIGNATURE1
03/13/2018340588224Open ↗
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
12/12/2012320690169Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
03/13/2018340588224Open ↗
▸Trade Schedules & Equipment2
▸BISSCHEDULE B - PLUMBING2
03/13/2018340588224Open ↗
12/12/2012320690169Open ↗
▸Safety & Tenant Protection1
▸BISTENANT PROTECTION PLAN AND NOTES1
03/13/2018340588224Open ↗
▸Environmental & Asbestos3
▸BISASBESTOS: CERTIFICATION (DEP ACP5)2
03/13/2018340588224Open ↗
12/12/2012320690169Open ↗
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/15/2026B01428156-I1Open ↗
▸Energy Compliance12
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS4
07/26/2019340588224Open ↗
06/03/2019340588224Open ↗
10/21/2013320690169Open ↗
Showing 3 of 4 on file for this type
▸BISAS-BUILT ENERGY ANALYSIS3
06/03/2019340588224Open ↗
02/27/2019340588224Open ↗
10/21/2013320690169Open ↗
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY2
02/27/2019340588224Open ↗
03/13/2018340588224Open ↗
▸BISENERGY CODE COMPLIANCE INSPECTIONS1
03/13/2018340588224Open ↗
▸BISINTERIOR LIGHTING POWER1
03/13/2018340588224Open ↗
▸BISHVAC INSULATION AND SEALING1
03/13/2018340588224Open ↗
▸Inspections & Test Reports6
▸BISTECHNICAL REPORT: RESPONSIBILITY4
02/27/2019340588224Open ↗
02/27/2019340588224Open ↗
03/13/2018340588224Open ↗
Showing 3 of 4 on file for this type
▸BISFIRE-RESISTANT PENETRATIONS AND JOINTS (FIRESTOP)1
03/13/2018340588224Open ↗
▸BISDIR-14 ID OF RESPONSIBILITY (TR1)1
03/13/2018340588224Open ↗
▸Approvals, Objections & Sign-offs9
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST7
09/04/2019340588224Open ↗
08/23/2019340588224Open ↗
07/26/2019340588224Open ↗
Showing 3 of 7 on file for this type
▸BISFINAL1
03/13/2018340588224Open ↗
▸BISADMINISTRATIVE OBJECTIONS1
12/12/2012320690169Open ↗
▸Cost, Insurance & Ownership5
▸BISCOST AFFIDAVIT5
06/03/2019340588224Open ↗
02/27/2019340588224Open ↗
03/13/2018340588224Open ↗
Showing 3 of 5 on file for this type
▸Filing & Intake Forms9
▸BISBOROUGH INTAKE FORM7
09/13/2019340588224Open ↗
09/04/2019340588224Open ↗
08/23/2019340588224Open ↗
Showing 3 of 7 on file for this type
▸BISEFILING COVER SHEET1
12/12/2012320690169Open ↗
▸BISEFILING JOB APPLICATION COVER SHEET1
03/13/2018340588224Open ↗