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Primarily 1 family with 1 store or office
609 KNICKERBOCKER AVENUE
BROOKLYN · BIN 3076870
💬 Discuss this project
1931Year Built
2Stories
S1Building Class
R6Zoning
2,200 sfGross Floor Area
2Units
1 Open Violation ▸FDNY Report ↗
Primarily 1 family with 1 store or office · Owner of record: PJDL LLC · 1,428 sf lot · 1.54 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbing
Permit Issued — active, not yet Signed-off
RoofUnder Construction18p · 3 filings · 20 docs
Floor 2Under Construction18p · 4 filings · 20 docs
Floor 1Under Construction19p · 4 filings · 20 docs
CellarUnder Construction19p · 2 filings · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
PJDL2509/13/2026
STEEL CONSTRUCTION LLC703/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
03/19/2024$1.2M—— → —$545/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
PAUL GURDAK ARCHITECT705/19/2026
MJE PROFESSIONAL SERVICES108/12/2024
WD ENGINEERING PLLC107/11/2024
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
KX CONSULTING1003/21/2026
SNR EXPEDITING DESIGN203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
STEEL CONSTRUCTION LLCGeneral Contractor603/21/2026
UP CONSTRUCTION AND RESTOGeneral Contractor607/08/2026
SIMPLE CHOICE PLBG AND HTPlumbing207/08/2026
ICE AGE MECHANICAL CORPGeneral Contractor104/09/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
AR ARCHITECT P.C.1171404/11/2025
NORMAN C. LOK818107/11/2024
Building Lifecycle
All (45)Filed (9)Permit Issued (9)Signed Off (1)Violation (1)Inspection (2)Objection (4)Special Inspection (19)
08/10/2026
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.
B01094972-I1
05/19/2026
Filed — Alteration
Replace, remove and install new plumbing fixtures as per plans submitted herewith.
B01042212-P3
11/14/2025
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
10/07/2025
Permit issued — General Construction
B01042210-I1-GC
10/02/2025
Permit issued — General Construction
B01042210-I1-GC
08/19/2025
Permit issued — Plumbing
B01042212-I1-PL
08/06/2025
Permit issued — Sidewalk Shed
B01094972-I1-SH
06/24/2025
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
06/05/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
05/08/2025
Filed — Alteration
Replace, remove and install new plumbing fixtures as per plans submitted herewith.
B01042212-P2
04/22/2025
Permit issued — Mechanical Systems
B01201193-I1-MS
04/11/2025
Filed — Alteration
MECHANICAL INSTALLATION IN CONJUNCTION WITH GENERAL CONSTRUCTION ALTERATION. ALL AS PER PLANS SUBMITTED HEREWITH.
B01201193-I1
04/07/2025
Special inspection requirement — HVAC-R and service water heating system controls
ANGEL ROJAS
04/07/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
ANGEL ROJAS
04/07/2025
Special inspection requirement — Energy Code Compliance Inspections
ANGEL ROJAS
03/26/2025
Special inspection requirement — Mechanical Systems
ANGEL ROJAS
03/26/2025
Special inspection requirement — Final
PAUL GURDAK-WARCHOL
10/08/2024
Permit issued — General Construction
B01042210-I1-GC
09/27/2024
Permit issued — Structural
B01075374-I1-ST
08/15/2024
Permit issued — Plumbing
B01042212-I1-PL
08/13/2024
Permit issued — Sidewalk Shed
B01094972-I1-SH
08/12/2024
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.
B01094972-I1
07/15/2024
Objection raised — Scope
07/15/2024
Objection resolved — Addressed
07/15/2024
Objection raised — Scope
07/15/2024
Objection resolved — Addressed
07/12/2024
Special inspection requirement — Final
PAUL GURDAK-WARCHOL
07/12/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
ANGEL ROJAS
07/12/2024
Special inspection requirement — Energy Code Compliance Inspections
ANGEL ROJAS
07/12/2024
Special inspection requirement — Interior lighting power
ANGEL ROJAS
07/12/2024
Special inspection requirement — Fenestration and door U-factor and product ratings
ANGEL ROJAS
07/12/2024
Special inspection requirement — HVAC-R and service water piping design and insulation
ANGEL ROJAS
07/11/2024
Filed — Alteration
Replace, remove and install new plumbing fixtures as per plans submitted herewith.
B01042212-P1
07/11/2024
Filed — Alteration
RENOVATION TO EXISTING COMMERCIAL SPACE ON 1ST FLOOR AND DWELLING UNIT ON 2ND FLOOR. MINOR WORK IN CELLAR. REMOVE AND CONSTRUCT PARTITIONS AND FINISHES. REPLACE EXISTING STOREFRONT. FACADE REPAIR. REPLACE WINDOWS. ALL AS PER PLANS SUBMITTED HEREWITH.
B01042210-P1
07/11/2024
Filed — Alteration
ROOF JOIST REINFORCEMENT. NEW STEEL BEAMS IN CELLAR TO SUPPORT 1ST FLOOR. MASONRY REPAIRS AND TIEBACKS. NEW SKYLIGHT OPENING SUPPORT ON ROOF. ALL AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY
B01075374-I1
07/02/2024
Special inspection requirement — Post-installed Anchors
ANGEL ROJAS
07/02/2024
Special inspection requirement — Concrete - Cast-In-Place
ANGEL ROJAS
07/02/2024
Special inspection requirement — Structural Stability – Alterations of existing buildings
ANGEL ROJAS
07/02/2024
Special inspection requirement — Structural Wood Frame
ANGEL ROJAS
07/02/2024
Special inspection requirement — Final
ANGEL ROJAS
07/02/2024
Special inspection requirement — Structural Steel - Details
NORMAN LOK
07/02/2024
Special inspection requirement — Masonry
ANGEL ROJAS
07/02/2024
Special inspection requirement — Structural Steel - High Strength Bolting
NORMAN LOK
05/12/2024
Filed — Alteration
Replace, remove and install new plumbing fixtures as per plans submitted herewith.
B01042212-I1
05/12/2024
Filed — Alteration
RENOVATION TO EXISTING COMMERCIAL SPACE ON 1ST FLOOR AND DWELLING UNIT ON 2ND FLOOR. MINOR WORK IN CELLAR. REMOVE AND CONSTRUCT PARTITIONS AND FINISHES. REPLACE EXISTING STOREFRONT. FACADE REPAIR. REPLACE WINDOWS. ALL AS PER PLANS SUBMITTED HEREWITH.
B01042210-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionPermit IssuedUP CONSTRUCTION AND RESTO10/07/2025
DOB NOWGeneral ConstructionPermit IssuedUP CONSTRUCTION AND RESTO10/02/2025
DOB NOWPlumbingSigned-offSIMPLE CHOICE PLBG AND HT08/19/2025
DOB NOWSidewalk ShedSigned-offSTEEL CONSTRUCTION LLC08/06/2025
DOB NOWMechanical SystemsPermit IssuedICE AGE MECHANICAL CORP04/22/2025
DOB NOWGeneral ConstructionPermit IssuedUP CONSTRUCTION AND RESTO10/08/2024
DOB NOWStructuralPermit IssuedUP CONSTRUCTION AND RESTO09/27/2024
DOB NOWPlumbingSigned-offSIMPLE CHOICE PLBG AND HT08/15/2024
DOB NOWSidewalk ShedSigned-offSTEEL CONSTRUCTION LLC08/13/2024
1 project · most recent 04/11/2025
Heating and Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
04/11/2025Permit IssuedICE AGE MECHANICAL CORPHeating and Air Conditioning Systems
Heat / Cool
— MXZ-SM42NLHZ 3,885 CFM · Condensing Unit ×1
MXZ-SM48NLHZ 3,885 CFM · Condensing Unit ×1
1 project · most recent 05/19/2026
Gas Water/Sanitary
FiledStatusContractorScope
05/19/2026Signed-offSIMPLE CHOICE PLBG AND HTGas, Water/Sanitary
2 projects · most recent 06/24/2026
General Wiring
FiledStatusContractorScope
06/24/2026Permit IssuedDENMAR ELECTRIC CORPGeneral Wiring
08/14/2024CompleteRICHARD NEU—
1 project · most recent 07/11/2024
Steel Masonry Wood
FiledStatusContractorScope
07/11/2024Permit IssuedUP CONSTRUCTION AND RESTOSteel, Masonry, Wood
1 project · most recent 08/12/2024
Sidewalk Shed
FiledStatusContractorScope
08/12/2024Signed-offSTEEL CONSTRUCTION LLCSidewalk Shed
▾Field Inspections (DOB CAP) — 2
DateTypeResultReport
06/24/2025Certified Gas-Gas-Piping-RoughingCertifiedView ↗
06/05/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 19
DateRequirementInspectorRole
04/07/2025HVAC-R and service water heating system controlsANGEL ROJASenergy_progress
04/07/2025HVAC-R and service water piping design and insulationANGEL ROJASenergy_progress
04/07/2025Energy Code Compliance InspectionsANGEL ROJASprogress
03/26/2025Mechanical SystemsANGEL ROJASspecial
03/26/2025FinalPAUL GURDAK-WARCHOLprogress
07/12/2024FinalPAUL GURDAK-WARCHOLprogress
07/12/2024Fire-Resistant Penetrations and JointsANGEL ROJASspecial
07/12/2024Energy Code Compliance InspectionsANGEL ROJASprogress
07/12/2024Interior lighting powerANGEL ROJASenergy_progress
07/12/2024Fenestration and door U-factor and product ratingsANGEL ROJASenergy_progress
07/12/2024HVAC-R and service water piping design and insulationANGEL ROJASenergy_progress
07/02/2024Post-installed AnchorsANGEL ROJASspecial
07/02/2024Concrete - Cast-In-PlaceANGEL ROJASspecial
07/02/2024Structural Stability – Alterations of existing buildingsANGEL ROJASspecial
07/02/2024Structural Wood FrameANGEL ROJASprogress
07/02/2024FinalANGEL ROJASprogress
07/02/2024Structural Steel - DetailsNORMAN LOKspecial
07/02/2024MasonryANGEL ROJASspecial
07/02/2024Structural Steel - High Strength BoltingNORMAN LOKspecial
▾Documents — 46 on file (BIS + DOB NOW)
▸Plans & Drawings9
▸DOB NOWPlans/Sketch9
08/24/2026B01042210-I1Request digital key ↗
08/24/2026B01042210-P1Request digital key ↗
08/24/2026B01094972-I1Request digital key ↗
Showing 3 of 9 on file for this type
▸Seals & Professional Certifications27
▸DOB NOWProgress Inspector Seal & Signature11
09/02/2026B01042210-I1Open ↗
09/02/2026B01042210-I1Open ↗
09/02/2026B01042210-I1Open ↗
Showing 3 of 11 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature9
08/24/2026B01042210-I1Open ↗
08/21/2026B01201193-I1Open ↗
08/17/2026B01042212-P3Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature7
09/02/2026B01042210-I1Open ↗
09/01/2026B01201193-I1Open ↗
08/24/2026B01075374-I1Open ↗
Showing 3 of 7 on file for this type
▸Environmental & Asbestos9
▸DOB NOWDEP ACP-5: Asbestos Assessment Report6
08/24/2026B01042210-I1Open ↗
08/17/2026B01042212-P3Open ↗
08/17/2026B01042212-P1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form3
08/21/2026B01201193-I1Open ↗
08/13/2026B01042210-I1Open ↗
08/13/2026B01075374-I1Open ↗
▸Approvals, Objections & Sign-offs1
▸DOB NOWDEP Variance (V5) letter1
08/13/2026B01075374-I1Open ↗