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Four families
521 DECATUR STREET
BROOKLYN · Bedford-Stuyvesant (East) · BIN 3040316
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1906Year Built
3Stories
C3Building Class
R5BZoning
3,240 sfGross Floor Area
4Units
Rent Stabilized14 Open Violations ▸FDNY Report ↗
Four families · Owner of record: 521 DECATUR ST, LLC · 1,867 sf lot · 1.74 FAR built · Flood zone X
Locations of Work
Architecture
Cellar1p · 1 filing · 12 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
RAISNER GROUP804/09/2026
521 DECATUR ST, LLC103/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
11/07/2024$2.1M—Private party → 521 DECATUR ST, LLC$662/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
CHUN ENGINEERING CONSULTANT PLLC212/06/2024
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
BARRAN DESIGNS203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
NYC BUILDING SOLUTIONS COGeneral Contractor104/09/2026
JUST PLBG & HTG INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
WORLD DESIGN ARCHITECTURE9323212/06/2024
Building Lifecycle
All (48)Filed (2)Permit Issued (2)Signed Off (2)Violation (28)Inspection (2)Special Inspection (12)
04/15/2026
Violation issued (HPD, closed)
C
01/14/2026
Signed off — Alteration
APPLICATION FILED HEREWITH TO PROPOSE INTERIOR RENOVATIONS TO EXISTING 3 STORY 4 FAMILY DWELLING WITH BASEMENT AND CELLAR. NO CHANGE TO EGRESS, USE AND OCCUPANCY.
B01146004-I1
12/07/2025
Violation issued (HPD, closed)
B
11/21/2025
Violation issued (HPD, open)
A
11/21/2025
Violation issued (HPD, open)
A
11/21/2025
Violation issued (HPD, open)
A
11/21/2025
Violation issued (HPD, open)
A
11/21/2025
Violation issued (HPD, open)
A
11/21/2025
Violation issued (HPD, open)
A
08/06/2025
Violation issued (HPD, open)
B
08/06/2025
Violation issued (HPD, open)
A
08/06/2025
Violation issued (HPD, open)
B
08/06/2025
Violation issued (HPD, open)
A
07/21/2025
Violation issued (HPD, open)
A
07/21/2025
Violation issued (HPD, open)
B
07/21/2025
Violation issued (HPD, open)
A
07/21/2025
Violation issued (HPD, open)
B
07/10/2025
Signed off — Alteration
APPLICATION FILED HEREWITH TO PROPOSE INTERIOR RENOVATIONS TO EXISTING 3 STORY 4 FAMILY DWELLING WITH BASEMENT AND CELLAR. NO CHANGE TO EGRESS, USE AND OCCUPANCY.
B01146004-S1
06/09/2025
Violation issued (HPD, closed)
A
04/17/2025
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
01/30/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
12/20/2024
Permit issued — Plumbing
B01146004-S1-PL
12/06/2024
Filed — Alteration
APPLICATION FILED HEREWITH TO PROPOSE INTERIOR RENOVATIONS TO EXISTING 3 STORY 4 FAMILY DWELLING WITH BASEMENT AND CELLAR. NO CHANGE TO EGRESS, USE AND OCCUPANCY.
B01146004-S1
12/04/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
William Alicea
12/04/2024
Special inspection requirement — HVAC-R and service water piping design and insulation
William Alicea
12/04/2024
Special inspection requirement — Energy Code Compliance Inspections
William Alicea
12/03/2024
Permit issued — General Construction
B01146004-I1-GC
11/29/2024
Violation issued (HPD, closed)
I
11/23/2024
Filed — Alteration
APPLICATION FILED HEREWITH TO PROPOSE INTERIOR RENOVATIONS TO EXISTING 3 STORY 4 FAMILY DWELLING WITH BASEMENT AND CELLAR. NO CHANGE TO EGRESS, USE AND OCCUPANCY.
B01146004-I1
11/22/2024
Special inspection requirement — Air barrier - visual inspection
William Alicea
11/22/2024
Special inspection requirement — Insulation placement and R values
William Alicea
11/22/2024
Special inspection requirement — Fenestration and door U-factor and product ratings
William Alicea
11/22/2024
Special inspection requirement — Lighting in dwelling units
William Alicea
11/22/2024
Special inspection requirement — Interior lighting power
William Alicea
11/21/2024
Special inspection requirement — Final
William Alicea
11/21/2024
Special inspection requirement — Fire-Resistance Rated Construction
William Alicea
11/21/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
William Alicea
11/21/2024
Special inspection requirement — Energy Code Compliance Inspections
William Alicea
03/22/2023
Violation issued (HPD, closed)
A
11/14/2022
Violation issued (HPD, closed)
I
02/24/2022
Violation issued (HPD, closed)
A
02/24/2022
Violation issued (HPD, closed)
I
04/08/2021
Violation issued (HPD, closed)
A
04/08/2021
Violation issued (HPD, closed)
I
10/29/2019
Violation issued (HPD, closed)
I
10/16/2018
Violation issued (HPD, closed)
I
11/21/2017
Violation issued (HPD, closed)
I
11/04/2016
Violation issued (HPD, closed)
I
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingSigned-offMOHAMED ABDELRAZEK12/20/2024
DOB NOWGeneral ConstructionSigned-offNYC BUILDING SOLUTIONS CO12/03/2024
BISPLISSUEDARANDA PLBG & HTG CORP12/05/2022
BISPLISSUEDARANDA PLBG & HTG CORP07/05/2019
BISOTISSUEDSKY LAUNDRY SYSTEMS CORP06/14/2019
BISOTISSUEDMCDUFFEY & REDDICK CONTRACTORS I11/20/2001
2 projects · most recent 07/10/2023
General Wiring
FiledStatusContractorScope
07/10/2023CompleteDONALD MCGEACHY, INC.General Wiring
01/06/2021CompleteAPPO ELECTRICAL CONTRS INGeneral Wiring
▾Field Inspections (DOB CAP) — 2
DateTypeResultReport
04/17/2025Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
01/30/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 12
DateRequirementInspectorRole
12/04/2024Fire-Resistant Penetrations and JointsWilliam Aliceaspecial
12/04/2024HVAC-R and service water piping design and insulationWilliam Aliceaenergy_progress
12/04/2024Energy Code Compliance InspectionsWilliam Aliceaprogress
11/22/2024Air barrier - visual inspectionWilliam Aliceaenergy_progress
11/22/2024Insulation placement and R valuesWilliam Aliceaenergy_progress
11/22/2024Fenestration and door U-factor and product ratingsWilliam Aliceaenergy_progress
11/22/2024Lighting in dwelling unitsWilliam Aliceaenergy_progress
11/22/2024Interior lighting powerWilliam Aliceaenergy_progress
11/21/2024FinalWilliam Aliceaprogress
11/21/2024Fire-Resistance Rated ConstructionWilliam Aliceaprogress
11/21/2024Fire-Resistant Penetrations and JointsWilliam Aliceaspecial
11/21/2024Energy Code Compliance InspectionsWilliam Aliceaprogress
▾Documents — 46 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/23/2026B01146004-I1Request digital key ↗
08/23/2026B01146004-S1Request digital key ↗
▸Applications & Permits10
▸BISPLAN / WORK APPROVAL APPLICATION7
02/08/2023301244909Open ↗
01/20/2023301244909Open ↗
10/04/2022340668682Open ↗
Showing 3 of 7 on file for this type
▸BISWORK PERMIT APPLICATION3
12/07/2022340668682Open ↗
07/08/2019340668682Open ↗
06/14/2019340668682Open ↗
▸Seals & Professional Certifications11
▸DOB NOWProgress Inspector Seal & Signature4
09/01/2026B01146004-S1Open ↗
09/01/2026B01146004-S1Open ↗
08/26/2026B01146004-I1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/23/2026B01146004-S1Open ↗
08/23/2026B01146004-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature2
09/01/2026B01146004-S1Open ↗
08/26/2026B01146004-I1Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
05/13/2019340668682Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
05/13/2019340668682Open ↗
▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1
05/13/2019340668682Open ↗
▸Trade Schedules & Equipment3
▸BISSCHEDULE B - PLUMBING3
09/13/2022340668682Open ↗
03/23/2022340668682Open ↗
05/13/2019340668682Open ↗
▸Safety & Tenant Protection1
▸BIS* TENANT PROTECTION PLAN MEMO1/6/841
04/19/2023301244909Open ↗
▸Environmental & Asbestos3
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/23/2026B01146004-I1Open ↗
08/23/2026B01146004-S1Open ↗
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
05/13/2019340668682Open ↗
▸Energy Compliance4
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY2
09/25/2023340668682Open ↗
05/13/2019340668682Open ↗
▸BISAS-BUILT ENERGY ANALYSIS1
09/25/2023340668682Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1
05/13/2019340668682Open ↗
▸Inspections & Test Reports4
▸BISTECHNICAL REPORT: RESPONSIBILITY3
09/25/2023340668682Open ↗
04/11/2023301244909Open ↗
05/13/2019340668682Open ↗
▸BIS* FINAL INSPECTION DIRECTIVE 14 OF 19751
04/11/2023301244909Open ↗
▸Approvals, Objections & Sign-offs2
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST2
09/29/2023340668682Open ↗
04/21/2023301244909Open ↗
▸Cost, Insurance & Ownership2
▸BISCOST AFFIDAVIT2
09/25/2023340668682Open ↗
05/13/2019340668682Open ↗
▸Filing & Intake Forms2
▸BISEFILING JOB APPLICATION COVER SHEET1
05/13/2019340668682Open ↗
▸BISADDITIONAL INFORMATION1
04/05/2022340668682Open ↗
▸Other Documents2
▸BIS* FIRE STOPS 27-3451
04/11/2023301244909Open ↗
▸BIS* VENT. SYS.-ENGINEER/INSTALLER 27-136,7791
04/11/2023301244909Open ↗