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Three families
422 PROSPECT AVENUE
BROOKLYN · BIN 3398931
💬 Discuss this project
2005Year Built
3Stories
C0Building Class
R5BZoning
—Gross Floor Area
3Units
12 Open Violations ▸FDNY Report ↗
Three families · Owner of record: 422 PROSPECT AVE LLC · 1.55 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanical
Permit Issued — active, not yet Signed-off
RoofUnder Construction10p · 1 filing · 18 docs
Floor 3Under Construction8p · 1 filing · 18 docs
Floor 2Under Construction7p · 1 filing · 18 docs
Floor 1Under Construction7p · 1 filing · 18 docs
CellarUnder Construction6p · 1 filing · 18 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
422 PROSPECT AVE LLC609/01/2026
ADDA 422 PROSPECT AVENUE703/22/2026
WAYNE'S BUILDERS & CONSTR103/22/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
FIELD LINES208/10/2026
IVAN DESIGN ENG. ANALYSIS, PLLC104/22/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
SILVERSTONE CONSTRUCTIONGeneral Contractor308/18/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
IVAN DESIGN ENGINEERING &6983104/22/2026
O'ROURKE ENGINEERING, LLC5873104/22/2026
Building Lifecycle
All (51)Filed (3)Permit Issued (3)Violation (21)Inspection (4)Special Inspection (20)
08/17/2026
Permit issued — Construction Fence
B01435013-I1-FN
08/14/2026
Permit issued — Structural
B01382192-S1-ST
08/14/2026
Permit issued — General Construction
B01382192-I1-GC
08/10/2026
Filed — Alteration
INSTALLATION OF TEMPORARY CONSTRUCTION FENCE AS PER PLANS FILED HEREWITH.
B01435013-I1
07/14/2026
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
07/14/2026
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
07/14/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
07/10/2026
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
05/08/2026
Violation issued (HPD, open)
A
04/22/2026
Filed — Alteration
REBUILT NEW FRONT FACADE, REINFORCE EXISTING ROOF FRAMING AND EXTENDED A NEW STAIR BULKHEAD.
B01382192-I1
04/22/2026
Filed — Alteration
REBUILT NEW FRONT FACADE, REINFORCE EXISTING ROOF FRAMING AND EXTENDED A NEW STAIR BULKHEAD.
B01382192-S1
04/21/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
BRIAN O'ROURKE
04/21/2026
Special inspection requirement — Energy Code Compliance Inspections
Marc Ackerson
04/21/2026
Special inspection requirement — Fire-Resistance Rated Construction
BRIAN O'ROURKE
04/21/2026
Special inspection requirement — Fenestration areas
Marc Ackerson
04/21/2026
Special inspection requirement — Air barrier - visual inspection
Marc Ackerson
04/21/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
Marc Ackerson
04/21/2026
Special inspection requirement — Insulation placement and R values
Marc Ackerson
04/21/2026
Special inspection requirement — Interior lighting power
Marc Ackerson
04/21/2026
Special inspection requirement — Fenestration air leakage
Marc Ackerson
04/21/2026
Special inspection requirement — Permanent certificate
Marc Ackerson
04/20/2026
Special inspection requirement — Final
Marc Ackerson
04/02/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
Ivan Luk
04/02/2026
Special inspection requirement — Construction Utilizing CLT or SCL, Type IV
Ivan Luk
04/02/2026
Special inspection requirement — Structural Steel - High Strength Bolting
Ivan Luk
04/02/2026
Special inspection requirement — Structural Steel - Welding
Ivan Luk
04/02/2026
Special inspection requirement — Structural Cold-Formed Steel
Ivan Luk
04/02/2026
Special inspection requirement — Structural Steel - Details
Ivan Luk
04/02/2026
Special inspection requirement — Wood – Seismic Resistance
Ivan Luk
04/02/2026
Special inspection requirement — Structural Wood Frame
Ivan Luk
04/02/2026
Special inspection requirement — Final
Ivan Luk
11/19/2025
Violation issued (HPD, open)
I
06/16/2025
Violation issued (HPD, open)
A
11/26/2024
Violation issued (HPD, open)
I
04/17/2024
Violation issued (HPD, open)
A
11/20/2023
Violation issued (HPD, open)
I
03/31/2023
Violation issued (HPD, open)
A
11/09/2022
Violation issued (HPD, open)
I
03/10/2022
Violation issued (HPD, open)
A
03/10/2022
Violation issued (HPD, open)
I
04/20/2021
Violation issued (HPD, open)
I
04/20/2021
Violation issued (HPD, open)
A
01/05/2007
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/31/2006
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/11/2006
Violation issued (ECB, closed)
Construction
01/06/2006
Violation issued (ECB, closed)
Unknown
01/05/2006
Violation issued (ECB, closed)
Construction
11/16/2005
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
11/09/2005
Violation issued (ECB, closed)
Site Safety
09/22/2005
Violation issued (ECB, closed)
Site Safety
09/22/2005
Violation issued (ECB, closed)
Construction
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWConstruction FencePermit IssuedSILVERSTONE CONSTRUCTION08/17/2026
DOB NOWStructuralPermit IssuedSILVERSTONE CONSTRUCTION08/14/2026
DOB NOWGeneral ConstructionPermit IssuedSILVERSTONE CONSTRUCTION08/14/2026
BISEQISSUEDMAX ENTERPRISES04/16/2007
BIS—ISSUEDMAX EXPTERPRISES04/16/2007
BISPLISSUEDTOM BRAUN PL & HTG INC01/29/2007
BISEQISSUEDMAX ENTERPRISES01/02/2007
BISEQISSUEDMAX ENTERPRISES09/13/2006
BIS—ISSUEDMAX EXPTERPRISES09/13/2006
BIS—ISSUEDWAYNE'S BUILDERS & CONSTR.09/08/2005
BISEQISSUEDMAX ENTERPRISES LLC07/18/2005
1 project · most recent 08/10/2026
Fence
FiledStatusContractorScope
08/10/2026Permit IssuedSILVERSTONE CONSTRUCTIONFence
▾Field Inspections (DOB CAP) — 4
DateTypeResultReport
07/14/2026Certified Gas-Gas-Piping-RoughingCertifiedView ↗
07/14/2026Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
07/14/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
07/10/2026Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 20
DateRequirementInspectorRole
04/21/2026Fire-Resistant Penetrations and JointsBRIAN O'ROURKEspecial
04/21/2026Energy Code Compliance InspectionsMarc Ackersonprogress
04/21/2026Fire-Resistance Rated ConstructionBRIAN O'ROURKEprogress
04/21/2026Fenestration areasMarc Ackersonenergy_progress
04/21/2026Air barrier - visual inspectionMarc Ackersonenergy_progress
04/21/2026Fenestration and door U-factor and product ratingsMarc Ackersonenergy_progress
04/21/2026Insulation placement and R valuesMarc Ackersonenergy_progress
04/21/2026Interior lighting powerMarc Ackersonenergy_progress
04/21/2026Fenestration air leakageMarc Ackersonenergy_progress
04/21/2026Permanent certificateMarc Ackersonenergy_progress
04/20/2026FinalMarc Ackersonprogress
04/02/2026Structural Stability – Alterations of existing buildingsIvan Lukspecial
04/02/2026Construction Utilizing CLT or SCL, Type IVIvan Lukspecial
04/02/2026Structural Steel - High Strength BoltingIvan Lukspecial
04/02/2026Structural Steel - WeldingIvan Lukspecial
04/02/2026Structural Cold-Formed SteelIvan Lukspecial
04/02/2026Structural Steel - DetailsIvan Lukspecial
04/02/2026Wood – Seismic ResistanceIvan Lukspecial
04/02/2026Structural Wood FrameIvan Lukprogress
04/02/2026FinalIvan Lukprogress
▾Documents — 20 on file (BIS + DOB NOW)
▸Plans & Drawings3
▸DOB NOWPlans/Sketch3
08/17/2026B01382192-I1Request digital key ↗
08/17/2026B01382192-S1Request digital key ↗
08/16/2026B01435013-I1Request digital key ↗
▸Seals & Professional Certifications17
▸DOB NOWSpecial Inspector Seal & Signature8
09/17/2026B01382192-S1Open ↗
09/17/2026B01382192-S1Open ↗
09/17/2026B01382192-S1Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWProgress Inspector Seal & Signature6
09/17/2026B01382192-S1Open ↗
09/17/2026B01382192-S1Open ↗
09/16/2026B01382192-I1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature3
08/17/2026B01382192-S1Open ↗
08/17/2026B01382192-I1Open ↗
08/16/2026B01435013-I1Open ↗