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Single or multiple dwelling with stores or offices
501 ONDERDONK AVENUE
QUEENS · Ridgewood · BIN 4434225
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1901Year Built
2Stories
S9Building Class
R6BZoning
3,000 sfGross Floor Area
4Units
Rent Stabilized1 Open Violation ▸FDNY Report ↗
Single or multiple dwelling with stores or offices · Owner of record: 501 ONDERDONK LLC · 3,000 sf lot · 1 FAR built · Flood zone X
Locations of Work
ArchitectureStructural
Floor 21p · 1 filing · 4 docs
Floor 1
Cellar1p · 1 filing · 5 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
NORTHBRIDGE CONTRACTING507/08/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
12/03/2021$1.6M—Private party → 501 ONDERDONK LLC$525/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
SUNG HO SHIN ARCHITECT, PC207/28/2022
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
NORTHBRIDGE CONTRACTING LGeneral Contractor303/21/2026
KATAN P & H INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
SUNG HO SHIN ARCHITECT2997207/28/2022
Building Lifecycle
All (24)Filed (2)Permit Issued (2)Signed Off (2)Violation (11)Inspection (4)Special Inspection (3)
11/21/2025
Violation issued (HPD, closed)
I
11/14/2025
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
12/02/2024
Violation issued (HPD, closed)
I
07/29/2024
Signed off — Alteration
Q00739979-I1
07/19/2024
Inspection — Fail-Final General Construction Non-Directive 14
Fail
View inspection ↗
04/16/2024
Violation issued (HPD, closed)
A
11/27/2023
Violation issued (HPD, closed)
I
07/10/2023
Signed off — Alteration
INTERIOR RENOVATION OF EXIST'G MIXED-USE BUILDING EXCEPT COMMERCIAL SPACE 001. NO CHANGE IN USE, OCCUPANCY,OR EGRESS IS INVOLVED UNDER THIS APPLICATION.
Q00739686-I1
10/14/2022
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
09/16/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
09/16/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
09/12/2022
Permit issued — Plumbing
Q00739686-I1-PL
07/28/2022
Filed — Alteration
INTERIOR RENOVATION OF EXIST'G MIXED-USE BUILDING EXCEPT COMMERCIAL SPACE 001. NO CHANGE IN USE, OCCUPANCY,OR EGRESS IS INVOLVED UNDER THIS APPLICATION.
Q00739686-I1
07/25/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
SUNG HO SHIN
06/30/2022
Permit issued — General Construction
Q00739979-I1-GC
05/18/2022
Filed — Alteration
Q00739979-I1
05/17/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
SUNG HO SHIN
05/17/2022
Special inspection requirement — Energy Code Compliance Inspections
SUNG HO SHIN
03/04/2022
Violation issued (HPD, closed)
A
04/16/2021
Violation issued (HPD, closed)
A
01/06/2006
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/19/2003
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/26/2002
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/26/2002
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingSigned-offKATAN P & H INC09/12/2022
DOB NOWGeneral ConstructionSigned-offNORTHBRIDGE CONTRACTING L06/30/2022
1 project · most recent 09/26/2025
FiledStatusContractorScope
09/26/2025CompleteNELSON & TOM MAINT INC DB5 meters, 1 new_meters
▾Field Inspections (DOB CAP) — 4
DateTypeResultReport
07/19/2024Fail-Final General Construction Non-Directive 14FailView ↗
10/14/2022Pass-Final PL - Up to 3 Requested FloorsPassView ↗
09/16/2022Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
09/16/2022Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 3
DateRequirementInspectorRole
07/25/2022Fire-Resistant Penetrations and JointsSUNG HO SHINspecial
05/17/2022Fire-Resistant Penetrations and JointsSUNG HO SHINspecial
05/17/2022Energy Code Compliance InspectionsSUNG HO SHINprogress
▾Documents — 9 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/26/2026Q00739979-I1Request digital key ↗
08/26/2026Q00739686-I1Request digital key ↗
▸Seals & Professional Certifications5
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/13/2026Q00739979-I1Open ↗
08/13/2026Q00739686-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature2
08/25/2026Q00739979-I1Open ↗
08/24/2026Q00739686-I1Open ↗
▸DOB NOWProgress Inspector Seal & Signature1
08/25/2026Q00739979-I1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/13/2026Q00739686-I1Open ↗
08/13/2026Q00739979-I1Open ↗