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Over six families without stores
727 KNICKERBOCKER AVENUE
BROOKLYN · BIN 3078029
💬 Discuss this project
1906Year Built
4Stories
C1Building Class
R6Zoning
8,112 sfGross Floor Area
8Units
Rent Stabilized5 Open Violations 3 unresolved · 2 paperwork only ▸FDNY Report ↗
Over six families without stores · Owner of record: 727 KNICKERBOCKER AVE LLC · 2,600 sf lot · 3.12 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanical
Roof29p · 1 filing · 20 docs
Floor 428p · 1 filing · 20 docs
Floor 327p · 1 filing · 20 docs
Floor 227p · 1 filing · 20 docs
Floor 129p · 1 filing · 20 docs
Cellar32p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
TRIFECTA EQUITIES1707/08/2026
727 KNICKERBOCKER AVE LLC503/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
05/17/2023$2.4M—Private party → 727 KNICKERBOCKER AVE LLC$291/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
HANY RIZKALLA ARCHITECT PLLC908/29/2024
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
XPDITE GROUP LLC (104)903/21/2026
XPDITE GROUP 103503/21/2026
XPDITE GROUP LLC 104403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
TRIPLE CROWN CONSTRUCTIONGeneral Contractor807/08/2026
POWER SURGE ELECTRIC, INCElectrical203/22/2026
KISHAN PLUMBING INCPlumbing107/08/2026
SUPERB PLUMBING & HEATINGPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
CITISCAPE CONSULTING LTD762808/29/2024
Building Lifecycle
All (127)Filed (9)Permit Issued (6)Signed Off (3)Violation (60)Inspection (7)Objection (12)Special Inspection (30)
04/28/2026
Violation issued (ECB, open)
Construction
04/28/2026
Violation issued (ECB, open)
Construction
04/28/2026
Violation issued (ECB, open)
Construction
06/10/2025
Violation issued (HPD, closed)
A
03/23/2025
Violation issued (HPD, closed)
C
03/23/2025
Violation issued (HPD, closed)
A
03/23/2025
Violation issued (HPD, closed)
C
03/23/2025
Violation issued (HPD, closed)
B
03/23/2025
Violation issued (HPD, closed)
C
03/23/2025
Violation issued (HPD, closed)
B
03/23/2025
Violation issued (HPD, closed)
A
03/23/2025
Violation issued (HPD, closed)
A
03/23/2025
Violation issued (HPD, closed)
C
03/23/2025
Violation issued (HPD, closed)
A
03/23/2025
Violation issued (HPD, closed)
C
03/23/2025
Violation issued (HPD, closed)
A
03/23/2025
Violation issued (HPD, closed)
A
02/12/2025
Violation issued (ECB, closed)
Construction
02/12/2025
Violation issued (ECB, closed)
Construction
02/12/2025
Violation issued (ECB, open)
Construction
09/06/2024
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
08/29/2024
Filed — Alteration CO
MECHANICAL APPLICATION FILED IN CONJUNCTION TO ALT-CO APPLICATION #B08053092-I1
B08053092-P6
08/05/2024
Filed — Alteration CO
MECHANICAL APPLICATION FILED IN CONJUNCTION TO ALT-CO APPLICATION #B08053092-I1
B08053092-P5
08/01/2024
Special inspection requirement — Concrete - Cast-In-Place
Joe Lieberman
08/01/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
Joe Lieberman
08/01/2024
Special inspection requirement — Structural Stability – Alterations of existing buildings
Joe Lieberman
08/01/2024
Special inspection requirement — Energy Code Compliance Inspections
Joe Lieberman
08/01/2024
Special inspection requirement — Fenestration areas
Joe Lieberman
08/01/2024
Special inspection requirement — Fenestration and door U-factor and product ratings
Joe Lieberman
08/01/2024
Special inspection requirement — Lighting in dwelling units
Joe Lieberman
08/01/2024
Special inspection requirement — Fire-Resistance Rated Construction
Joe Lieberman
08/01/2024
Special inspection requirement — Fenestration air leakage
Joe Lieberman
06/18/2024
Violation issued (HPD, closed)
B
06/18/2024
Violation issued (HPD, closed)
B
06/04/2024
Violation issued (ECB, closed)
Boilers
05/22/2024
Signed off — Alteration CO
MECHANICAL APPLICATION FILED IN CONJUNCTION TO ALT-CO APPLICATION #B08053092-I1
B08053092-S2
05/22/2024
Signed off — Alteration CO
MECHANICAL APPLICATION FILED IN CONJUNCTION TO ALT-CO APPLICATION #B08053092-I1
B08053092-S1
05/10/2024
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
05/02/2024
Permit issued — Mechanical Systems
B08053092-S2-MS
04/26/2024
Permit issued — General Construction
B08053092-I1-GC
04/15/2024
Special inspection requirement — HVAC-R and service water heating system controls
Joe Lieberman
04/15/2024
Special inspection requirement — HVAC-R and service water heating equipment
Joe Lieberman
04/15/2024
Special inspection requirement — HVAC-R and service water piping design and insulation
Joe Lieberman
04/15/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
Joe Lieberman
04/10/2024
Violation issued (HPD, closed)
A
03/28/2024
Filed — Alteration CO
MECHANICAL APPLICATION FILED IN CONJUNCTION TO ALT-CO APPLICATION #B08053092-I1
B08053092-P4
03/26/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
Joe Lieberman
03/26/2024
Special inspection requirement — HVAC-R and service water heating equipment
Joe Lieberman
03/26/2024
Special inspection requirement — HVAC-R and service water heating system controls
Joe Lieberman
03/26/2024
Special inspection requirement — HVAC-R and service water piping design and insulation
Joe Lieberman
03/19/2024
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
03/18/2024
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
02/26/2024
Signed off — Alteration
INSTALLATION OF TEMORARY CONSTRUCTION FENCE
B00884003-I1
01/19/2024
Inspection — Pass-Final PL - Up to 9 Requested Floors
Pass
View inspection ↗
01/19/2024
Special inspection requirement — Mechanical Systems
Joe Lieberman
01/19/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
Joe Lieberman
01/19/2024
Special inspection requirement — Final
Joe Lieberman
01/19/2024
Special inspection requirement — Maintenance information
Joe Lieberman
01/19/2024
Special inspection requirement — HVAC-R and service water heating equipment
Joe Lieberman
01/19/2024
Special inspection requirement — HVAC-R and service water piping design and insulation
Joe Lieberman
Latest 60 of 127 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offTRIPLE CROWN CONSTRUCTION05/02/2024
DOB NOWGeneral ConstructionPermit IssuedTRIPLE CROWN CONSTRUCTION04/26/2024
DOB NOWPlumbingSigned-offN AND S PLUMBING INC11/01/2023
DOB NOWConstruction FenceSigned-offTRIPLE CROWN CONSTRUCTION06/13/2023
DOB NOWPlumbingSigned-offSUPERB PLUMBING & HEATING06/01/2023
DOB NOWMechanical SystemsSigned-offTRIPLE CROWN CONSTRUCTION04/24/2023
BIS—ISSUEDPENNANT CARPENTRY DRYWALL12/19/2000
BISPLISSUEDTHEODORE WAGNER PLUMBING & HEATI12/19/2000
1 project · most recent 08/29/2024
Heating and Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
08/29/2024Signed-offTRIPLE CROWN CONSTRUCTIONHeating and Air Conditioning Systems
Heat / Cool
Lg LMU363HV 36,000 BTU · Heat Pump Outdoor ×8
LMU480HV 54,000 BTU · Vrf Outdoor ×8
1 project · most recent 08/29/2024
Gas Water/Sanitary
FiledStatusContractorScope
08/29/2024Signed-offKISHAN PLUMBING INCGas, Water/Sanitary
2 projects · most recent 06/28/2024
General Wiring
FiledStatusContractorScope
06/28/2024CompletePOWER SURGE ELECTRIC, INCGeneral Wiring
12/08/2023CompletePOWER SURGE ELECTRIC, INCGeneral Wiring
▾Field Inspections (DOB CAP) — 7
DateTypeResultReport
09/06/2024Pass-Final CND-Occupancy InspectionPassView ↗
05/10/2024Pass-Final CND-Occupancy InspectionPassView ↗
03/19/2024Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
03/18/2024Pass-Final PL - Up to 3 Requested FloorsPassView ↗
01/19/2024Pass-Final PL - Up to 9 Requested FloorsPassView ↗
11/22/2023Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
11/22/2023Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 40
DateRequirementInspectorRole
08/01/2024Concrete - Cast-In-PlaceJoe Liebermanspecial
08/01/2024Fire-Resistant Penetrations and JointsJoe Liebermanspecial
08/01/2024Structural Stability – Alterations of existing buildingsJoe Liebermanspecial
08/01/2024Energy Code Compliance InspectionsJoe Liebermanprogress
08/01/2024Fenestration areasJoe Liebermanenergy_progress
08/01/2024Fenestration and door U-factor and product ratingsJoe Liebermanenergy_progress
08/01/2024Lighting in dwelling unitsJoe Liebermanenergy_progress
08/01/2024Fire-Resistance Rated ConstructionJoe Liebermanprogress
08/01/2024Fenestration air leakageJoe Liebermanenergy_progress
04/15/2024HVAC-R and service water heating system controlsJoe Liebermanenergy_progress
04/15/2024HVAC-R and service water heating equipmentJoe Liebermanenergy_progress
04/15/2024HVAC-R and service water piping design and insulationJoe Liebermanenergy_progress
04/15/2024Fire-Resistant Penetrations and JointsJoe Liebermanspecial
03/26/2024Fire-Resistant Penetrations and JointsJoe Liebermanspecial
03/26/2024HVAC-R and service water heating equipmentJoe Liebermanenergy_progress
03/26/2024HVAC-R and service water heating system controlsJoe Liebermanenergy_progress
03/26/2024HVAC-R and service water piping design and insulationJoe Liebermanenergy_progress
01/19/2024Mechanical SystemsJoe Liebermanspecial
01/19/2024Fire-Resistant Penetrations and JointsJoe Liebermanspecial
01/19/2024FinalJoe Liebermanprogress
01/19/2024Maintenance informationJoe Liebermanenergy_progress
01/19/2024HVAC-R and service water heating equipmentJoe Liebermanenergy_progress
01/19/2024HVAC-R and service water piping design and insulationJoe Liebermanenergy_progress
01/19/2024HVAC-R and service water heating system controlsJoe Liebermanenergy_progress
01/11/2024FinalJoe Liebermanprogress
Latest 25 of 40.
▾Documents — 51 on file (BIS + DOB NOW)
▸Plans & Drawings9
▸DOB NOWPlans/Sketch9
08/27/2026B00884003-I1Request digital key ↗
08/25/2026B08053092-P6Request digital key ↗
08/25/2026B08053092-P5Request digital key ↗
Showing 3 of 9 on file for this type
▸Zoning, Tax Lot & Property Records1
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026B08053092-I1Open ↗
▸Seals & Professional Certifications25
▸DOB NOWProgress Inspector Seal & Signature10
08/31/2026B08053092-P4Open ↗
08/31/2026B08053092-S2Open ↗
08/31/2026B08053092-S2Open ↗
Showing 3 of 10 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature9
08/25/2026B08053092-S2Open ↗
08/25/2026B08053092-P5Open ↗
08/25/2026B08053092-P4Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature6
08/31/2026B08053092-P4Open ↗
08/31/2026B08053092-S2Open ↗
08/30/2026B08053092-S1Open ↗
Showing 3 of 6 on file for this type
▸Safety & Tenant Protection5
▸DOB NOWStreet Tree Checklist4
08/13/2026B08053092-I1Open ↗
08/13/2026B08053092-P6Open ↗
08/13/2026B08053092-P5Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/13/2026B08053092-I1Open ↗
▸Environmental & Asbestos7
▸DOB NOWDEP ACP-5: Asbestos Assessment Report7
08/25/2026B08053092-P5Open ↗
08/25/2026B08053092-P4Open ↗
08/25/2026B08053092-P1Open ↗
Showing 3 of 7 on file for this type
▸Other Documents4
▸DOB NOWProperty Ownership Certification4
08/25/2026B08053092-P6Open ↗
08/25/2026B08053092-P5Open ↗
08/25/2026B08053092-P1Open ↗
Showing 3 of 4 on file for this type