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NYC Building Records · BBL 4034340037

512 ONDERDONK AVENUE

Queens · Block 3434 · Lot 37 · Walk-up, five to six (Class C2)

512 ONDERDONK AVENUE is a Class C2 (walk-up, five to six) building in Queens (BBL 4034340037) built in 1930, with 6 residential units across 3 floors.

The building is in NYC community district 405, council district 34, zoning district R6B, on a 2,500-square-foot lot with a building footprint of 4,725 square feet.

The current registered owner of record per NYC PLUTO is ONDERDONK VILLAS LLC.

The most recent ACRIS deed transfer for this BBL was recorded on August 31, 2022 when ONDERDONK GREENE TERRACE LLC conveyed the property to ONDERDONK VILLAS LLC for $1.55M. The transaction was financed with a $1.16M mortgage from Broadview Capital Llc.

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

ONDERDONK VILLAS LLC
HPD-registered head officer: KALMEN FRIEDMAN

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerKALMEN FRIEDMAN
  • Corporate OwnerONDERDONK VILLAS LLC
  • Managing AgentJOEL STAUBER

Most recent deed

Last transferred on Aug 31, 2022 for $1.6M to ONDERDONK VILLAS LLC.
Previous owner: ONDERDONK GREENE TERRACE LLC
Mortgage: $1.2M recorded Aug 31, 2022 with Broadview Capital Llc. Loan-to-value: 75%.
🔒 See all transfers before the 2022 sale →

Recent ACRIS documents (last 5)

DateTypeAmountParties
Nov 22, 2023MTGE$174KParties redacted — full names in MetroDeeds Scout+
Nov 22, 2023AGMT$2.5MParties redacted — full names in MetroDeeds Scout+
Aug 31, 2022MTGE$1.2MParties redacted — full names in MetroDeeds Scout+
Aug 31, 2022MTGE$1.2MParties redacted — full names in MetroDeeds Scout+
Aug 31, 2022DEED$1.6MParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 5 redacted buyer/seller names above →

Building stats

Units
6
Year built
1930
Class
C2
Borough
Queens
Zoning:
R6B
Lot size:
2,500 sqft
Building area:
4,725 sqft
Floors:
3
Assessed value:
$361K
Community district:
405
Council district:
34

HPD violations

0 open
Most severe class on record: Class C (immediately hazardous)
No open violations on record. Source: NYC HPD.
🔒 See every closed violation + inspection history →

Recent HPD violation details

Most recent 5 violations issued by NYC HPD at this address:
  • Class AInspected May 7, 2026
    (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 CInspected Sep 27, 2024
    § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE FIRE ESCAPE WINDOW UPPER SASH GLASS IN THE 5th ROOM FROM EAST LOCATED AT A…
  • Class CInspected Sep 27, 2024
    § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MIS…
  • Class CInspected Sep 27, 2024
    § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MIS…
  • Class AInspected Sep 18, 2024
    § 27-2046.1 HMC: POST A PROPER NOTICE OF CARBON MONOXIDE DETECTING DEVICE REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, IN A COMMON…
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

5 documents in the last 5 years (most recent Nov 22, 2023).

Frequently asked questions about 512 ONDERDONK AVENUE

Who owns 512 ONDERDONK AVENUE?

The current registered owner of record for 512 ONDERDONK AVENUE per NYC PLUTO is ONDERDONK VILLAS LLC. The most recent ACRIS deed transfer for this BBL was recorded on August 31, 2022 when the property was conveyed to ONDERDONK VILLAS 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 512 ONDERDONK AVENUE last sold?

The most recent ACRIS deed transfer for 512 ONDERDONK AVENUE was recorded on August 31, 2022, when ONDERDONK GREENE TERRACE LLC conveyed the property to ONDERDONK VILLAS LLC for $1.55M. The transaction was financed with a $1.16M mortgage from Broadview Capital Llc.

How many HPD violations does 512 ONDERDONK AVENUE have?

No open HPD housing-maintenance code violations are on record for 512 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 512 ONDERDONK AVENUE?

NYC Department of Finance assesses 512 ONDERDONK AVENUE at $361K 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 512 ONDERDONK AVENUE and what does that mean?

512 ONDERDONK AVENUE is NYC building class C2 — Walk-up, five to six. A 3-to-6-story walk-up apartment building, 5-6 residential units. 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.

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