501 ONDERDONK AVENUE
501 ONDERDONK AVENUE is a Class S9 (misc mixed-use) building in Queens (BBL 4034050013) built in 1901, with 4 residential units across 2 floors.
The building is in NYC community district 405, council district 34, zoning district R6B, on a 3,000-square-foot lot with a building footprint of 3,000 square feet.
The current registered owner of record per NYC PLUTO is 501 ONDERDONK LLC.
The most recent ACRIS deed transfer for this BBL was recorded on December 3, 2021 when GOVERNALE, DAWN conveyed the property to 501 ONDERDONK LLC for $1.57M. The transaction was financed with a $1.75M mortgage from Iberiabank.
The building is registered with NYC HPD's landlord-registration system and has no open HPD housing-maintenance code violations on record as of May 18, 2026.
Data sourced daily from NYC PLUTO (Department of City Planning), NYC ACRIS (Department of Finance), and NYC HPD housing-maintenance code violations.
Owner of record
HPD registered contacts
- Head OfficerMATT BADER
- Corporate Owner501 ONDERDONK LLC
Most recent deed
Recent ACRIS documents (last 2)
Building stats
- Zoning:
- R6B
- Lot size:
- 3,000 sqft
- Building area:
- 3,000 sqft
- Floors:
- 2
- Assessed value:
- $336K
- Community district:
- 405
- Council district:
- 34
HPD violations
Recent HPD violation details
- Class IInspected Nov 21, 2025§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
- Class IInspected Dec 2, 2024§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
- Class AInspected Apr 16, 2024(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
- Class IInspected Nov 27, 2023§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
- Class AInspected Mar 4, 2022(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
Recent ACRIS activity
Frequently asked questions about 501 ONDERDONK AVENUE
Who owns 501 ONDERDONK AVENUE?
The current registered owner of record for 501 ONDERDONK AVENUE per NYC PLUTO is 501 ONDERDONK LLC. The most recent ACRIS deed transfer for this BBL was recorded on December 3, 2021 when the property was conveyed to 501 ONDERDONK LLC. PLUTO ownership is refreshed monthly by NYC Department of Finance; the registered owner may not reflect transactions recorded within the last 30 days.
When was 501 ONDERDONK AVENUE last sold?
The most recent ACRIS deed transfer for 501 ONDERDONK AVENUE was recorded on December 3, 2021, when GOVERNALE, DAWN conveyed the property to 501 ONDERDONK LLC for $1.57M. The transaction was financed with a $1.75M mortgage from Iberiabank.
How many HPD violations does 501 ONDERDONK AVENUE have?
No open HPD housing-maintenance code violations are on record for 501 ONDERDONK AVENUE as of May 18, 2026. The building is registered with NYC HPD's landlord-registration system. HPD violation data is pulled daily from the NYC Open Data violations feed.
What is the assessed value of 501 ONDERDONK AVENUE?
NYC Department of Finance assesses 501 ONDERDONK AVENUE at $336K for the current tax year. NYC assesses property at a fraction of estimated market value (the assessment ratio varies by tax class — 6% for tax class 1 one-to-three-family dwellings, approximately 45% for tax class 2 rental apartment buildings), so the market value implied by this assessment is meaningfully higher. Assessment data is published by NYC Department of Finance.
What building class is 501 ONDERDONK AVENUE and what does that mean?
501 ONDERDONK AVENUE is NYC building class S9 — Misc mixed-use. Miscellaneous mixed residential and commercial building. Building class is assigned by NYC Department of Finance and recorded in PLUTO; it determines the property's tax class and the regulatory regime that applies.