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BuildNYC
Four families
5806 21ST AVENUE
BROOKLYN · BIN 3131589
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1931Year Built
2Stories
C3Building Class
R5Zoning
3,280 sfGross Floor Area
4Units
Rent Stabilized6 Active Violations ▸FDNY Report ↗
Four families · 2,481 sf lot · 1.32 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbingEquipmentGeneralOther
Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.
Permit Issued — active, not yet Signed-off
RoofPlumbing work3p · 2 filings · 20 docs
Floor 3Plumbing work48p · 2 filings · 20 docs
Floor 2Plumbing workUnder Construction54p · 3 filings · 20 docs
Floor 1Plumbing workUnder Construction57p · 4 filings · 20 docs
CellarPlumbing workUnder Construction56p · 3 filings · 20 docs
Site & exterior5p · 1 filing · 2 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
201 Foster Holdings2109/13/2026
Chaim Fishman Associates Company709/14/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
06/22/2015$1.4M—Private party → Private party$427/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
Asher Architect608/06/2026
Pramodray Shah, P.E506/30/2026
Asher Hershkowitz101/21/2026
Mje Professional Services205/27/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
NYC Permit Services1203/21/2026
SNR Expediting Design403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
Alef ConstructionGeneral Contractor407/08/2026
Reliable EnterprisesScaffold304/09/2026
WNW & Sons Plumbing & HeatingPlumbing307/29/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
Shahrish Shuvo Engineering8524506/03/2026
Building Lifecycle
All (50)Filed (14)Permit Issued (10)Signed Off (2)Violation (20)Inspection (4)
08/06/2026
Filed — Alteration
plumbing worktype in conjunction with job #B01036650-I1
B01036650-P2
07/28/2026
Permit issued — Plumbing
B01036650-S1-PL
07/06/2026
Inspection — Certified Storm Drainage-ST-Fixtures-Finish
Certified
View inspection ↗
06/30/2026
Filed — Alteration
Plumbing work as per plan.
B01263628-P3
06/10/2026
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
06/03/2026
Filed — Alteration CO
Adding a new story to an existing 2 story, 4 family dwelling. Work as per plan.
B01029312-P4
06/02/2026
Filed — Alteration
Plumbing work as per plan.
B01263628-P1
05/25/2026
Filed — Alteration
plumbing worktype in conjunction with job #B01036650-I1
B01036650-P1
05/01/2026
Violation issued (HPD, open)
A
04/28/2026
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
04/24/2026
Filed — Alteration CO
Adding a new story to an existing 2 story, 4 family dwelling. Work as per plan.
B01029312-P2
04/17/2026
Inspection — Fail-Final CND-Occupancy Inspection
Fail
View inspection ↗
01/21/2026
Filed — Alteration CO
Adding a new story to an existing 2 story, 4 family dwelling. Work as per plan.
B01029312-P1
11/18/2025
Violation issued (HPD, open)
I
11/05/2025
Signed off — Alteration
PROPOSED INSTALLATION OF HEAVY DUTY SIDEWALK SHED AS PER PLANS. LIVE LOAD 300 LBS PER SQUARE FEET. SIDEWALK SHED SHALL COMPLY WITH CHAPTER #33 OF THE NYC BUILDING CODE. NO CHANGE IN USE, OCCUPANCY, OR EGRESS UNDER THIS APPLICATION.
B01231032-I1
11/05/2025
Signed off — Alteration
PROPOSED INSTALLATION OF TEMPORARY PIPE SCAFFOLD AS PER PLANS. WORK SHALL COMPLY WITH CHAPTER #33 OF THE NYC BUILDING CODE. NO CHANGE IN USE, OCCUPANCY, OR EGRESS UNDER THIS APPLICATION.
B01231066-I1
09/26/2025
Permit issued — General Construction
B01036650-I1-GC
09/04/2025
Violation issued (ECB, closed)
Construction
08/21/2025
Permit issued — Plumbing
B01263628-I1-PL
08/15/2025
Filed — Alteration
Plumbing work as per plan.
B01263628-I1
06/27/2025
Permit issued — General Construction
B01029312-I1-GC
06/16/2025
Violation issued (ECB, closed)
Construction
06/09/2025
Permit issued — Structural
B01029312-S5-ST
06/06/2025
Violation issued (HPD, open)
A
06/01/2025
Filed — Alteration CO
Adding a new story to an existing 2 story, 4 family dwelling. Work as per plan.
B01029312-S5
05/30/2025
Violation issued (ECB, closed)
Construction
05/30/2025
Violation issued (ECB, closed)
Construction
05/30/2025
Violation issued (ECB, closed)
Construction
05/30/2025
Violation issued (ECB, closed)
Construction
05/30/2025
Violation issued (ECB, closed)
Unknown
05/27/2025
Filed — Alteration
PROPOSED INSTALLATION OF HEAVY DUTY SIDEWALK SHED AS PER PLANS. LIVE LOAD 300 LBS PER SQUARE FEET. SIDEWALK SHED SHALL COMPLY WITH CHAPTER #33 OF THE NYC BUILDING CODE. NO CHANGE IN USE, OCCUPANCY, OR EGRESS UNDER THIS APPLICATION.
B01231032-I1
05/27/2025
Filed — Alteration
PROPOSED INSTALLATION OF TEMPORARY PIPE SCAFFOLD AS PER PLANS. WORK SHALL COMPLY WITH CHAPTER #33 OF THE NYC BUILDING CODE. NO CHANGE IN USE, OCCUPANCY, OR EGRESS UNDER THIS APPLICATION.
B01231066-I1
05/27/2025
Permit issued — Sidewalk Shed
B01231032-I1-SH
05/27/2025
Permit issued — Supported Scaffold
B01231066-I1-SF
04/25/2025
Violation issued (ECB, closed)
Construction
04/10/2025
Permit issued — General Construction
B01029312-I1-GC
01/28/2025
Permit issued — Plumbing
B01036650-S1-PL
11/25/2024
Violation issued (HPD, open)
I
09/26/2024
Permit issued — General Construction
B01036650-I1-GC
07/16/2024
Filed — Alteration
plumbing worktype in conjunction with job #B01036650-I1
B01036650-S1
06/17/2024
Filed — Alteration CO
Adding a new story to an existing 2 story, 4 family dwelling. Work as per plan.
B01029312-I1
05/29/2024
Filed — Alteration
plumbing worktype in conjunction with job #B01036650-I1
B01036650-I1
04/03/2024
Violation issued (HPD, open)
A
04/03/2024
Violation issued (ECB, closed)
Construction
11/17/2023
Violation issued (HPD, open)
I
02/22/2022
Violation issued (HPD, closed)
A
04/06/2021
Violation issued (HPD, closed)
A
11/16/2017
Violation issued (HPD, closed)
I
11/01/2016
Violation issued (HPD, closed)
I
10/06/2015
Violation issued (HPD, closed)
I
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingPermit IssuedWNW & Sons Plumbing & Heating07/28/2026
DOB NOWGeneral ConstructionPermit IssuedAlef Construction09/26/2025
DOB NOWPlumbingSigned-offWNW & Sons Plumbing & Heating08/21/2025
DOB NOWGeneral ConstructionPermit IssuedAlef Construction06/27/2025
DOB NOWStructuralPermit IssuedJ & N Construction Group06/09/2025
DOB NOWSidewalk ShedSigned-offReliable Enterprises05/27/2025
DOB NOWSupported ScaffoldSigned-offReliable Enterprises05/27/2025
DOB NOWGeneral ConstructionPermit IssuedAlef Construction04/10/2025
DOB NOWPlumbingPermit IssuedWNW & Sons Plumbing & Heating01/28/2025
DOB NOWGeneral ConstructionPermit IssuedAlef Construction09/26/2024
1 project · most recent 06/30/2026
FiledStatusContractorScope
06/30/2026——3 heads
2 projects · most recent 08/06/2026
Gas Storm Water/Sanitary Plumbing-Sprinkler
FiledStatusContractorScope
08/06/2026Permit IssuedWNW & Sons Plumbing & HeatingGas, Storm, Water/Sanitary
06/30/2026Signed-offWNW & Sons Plumbing & HeatingGas, Plumbing-Sprinkler, Storm, Water/Sanitary
2 projects · most recent 05/28/2025
General Wiring
FiledStatusContractorScope
05/28/2025CompleteRichard Neu—
04/09/2025Permit IssuedLens ElectricGeneral Wiring
1 project · most recent 06/03/2026
Steel
FiledStatusContractorScope
06/03/2026Permit IssuedAlef ConstructionSteel
▾Field Inspections (DOB CAP) — 4
DateTypeResultReport
07/06/2026Certified Storm Drainage-ST-Fixtures-FinishCertifiedView ↗
06/10/2026Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
04/28/2026Pass-Final CND-Occupancy InspectionPassView ↗
04/17/2026Fail-Final CND-Occupancy InspectionFailView ↗
▾Special Inspection Requirements (DOB NOW) — 16
DateRequirementInspectorRole
04/22/2026FinalPRAMODRAY SHAHprogress
04/22/2026Structural Steel - DetailsShahrish Shuvospecial
04/22/2026Structural Cold-Formed SteelShahrish Shuvospecial
01/22/2025Energy Code Compliance InspectionsShahrish Shuvoprogress
01/22/2025Fire-Resistance Rated ConstructionShahrish Shuvoprogress
01/22/2025MeteringShahrish Shuvoenergy_progress
01/22/2025Fire-Resistant Penetrations and JointsShahrish Shuvospecial
01/22/2025Structural Stability – Alterations of existing buildingsShahrish Shuvospecial
09/24/2024Permanent certificateShahrish Shuvoenergy_progress
09/24/2024Air barrier - visual inspectionShahrish Shuvoenergy_progress
09/24/2024Fenestration areasShahrish Shuvoenergy_progress
09/24/2024Fenestration and door U-factor and product ratingsShahrish Shuvoenergy_progress
09/24/2024Fenestration air leakageShahrish Shuvoenergy_progress
09/24/2024Interior lighting powerShahrish Shuvoenergy_progress
09/24/2024Insulation placement and R valuesShahrish Shuvoenergy_progress
04/17/2024FinalPRAMODRAY SHAHprogress
▾Documents — 51 on file (BIS + DOB NOW)
▸Plans & Drawings13
▸DOB NOWPlans/Sketch13
08/21/2026B01231032-I1Request digital key ↗
08/21/2026B01231066-I1Request digital key ↗
08/21/2026B01263628-P1Request digital key ↗
Showing 3 of 13 on file for this type
▸Zoning, Tax Lot & Property Records5
▸DOB NOWZD1: DOB Zoning Diagram3
08/15/2026B01029312-P4Open ↗
08/13/2026B01029312-P1Open ↗
08/13/2026B01029312-I1Open ↗
▸DOB NOWHouse Number Verification: TOPO Stamp2
08/13/2026B01029312-P1Open ↗
08/13/2026B01029312-I1Open ↗
▸Seals & Professional Certifications19
▸DOB NOWDPL-1: Design Professional Seal & Signature13
08/21/2026B01231066-I1Open ↗
08/21/2026B01263628-P3Open ↗
08/21/2026B01263628-P1Open ↗
Showing 3 of 13 on file for this type
▸DOB NOWProgress Inspector Seal & Signature4
10/04/2026B01036650-I1Open ↗
09/02/2026B01029312-I1Open ↗
09/02/2026B01029312-I1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature2
09/02/2026B01029312-I1Open ↗
08/27/2026B01029312-P2Open ↗
▸Safety & Tenant Protection3
▸DOB NOWStreet Tree Checklist2
08/15/2026B01029312-I1Open ↗
08/15/2026B01029312-P4Open ↗
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/13/2026B01029312-I1Open ↗
▸Other Documents11
▸DOB NOWSite Survey: Initial3
08/15/2026B01029312-P4Open ↗
08/13/2026B01029312-I1Open ↗
08/13/2026B01029312-P1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone3
08/15/2026B01029312-P4Open ↗
08/13/2026B01029312-P1Open ↗
08/13/2026B01029312-I1Open ↗
▸DOB NOWPlot Diagram3
08/15/2026B01029312-P4Open ↗
08/13/2026B01029312-I1Open ↗
08/13/2026B01029312-P1Open ↗
▸DOB NOWProperty Ownership Certification2
08/15/2026B01029312-I1Open ↗
08/15/2026B01029312-P4Open ↗