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Property Audit ReportBBL 4034590031Generated Jun 9, 2026
Walk-up apt
754 Onderdonk Avenue
Overall
Caution — Review Before Signing
Caution — Review Before Signing
Open Violations
35
DOB + HPD
Unpaid Fines
$0
OATH / ECB
Flood Zone
X
FEMA designation
Audit Score
50/100
Composite index
Address-level public record preview
754 Onderdonk Avenue is tracked in NYC Property Audit as BBL 4034590031, located in QN, built in 1913, 7 residential units, 35 open DOB/HPD violation signals, FEMA flood zone X. The free preview keeps address-level facts crawl-visible while the full due-diligence report remains available in the audit.
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Key Findings
2 items
35 open violations on record· DOB · HPD
Annual property tax estimated at ~$50,068 (Tax Class 2)· NYC DOF
Building Details
✓ Verified · PLUTO
Building Area
6,250 sf
Zoning
R6B
Basement
0
Land Use
Multi-Family Walk-Up Buildings
Registered Owner
Rent Regulation
Yes · 7 regulated units(DHCR)
Quick facts
- How many units does this building have?
- 7 residential units.
- How tall is this building?
- 3 stories, fireproof construction, built in 1913.
- How big is the lot?
- 2,500 sq ft (25 ft × 100 ft).
- What's the building class?
- Class C1 — Walk-up apt.
- How many buildings are on this lot?
- 1 building on the lot.
Overall Outlook
Long-term signal for residential or commercial viability
Standard Urban
Maintenance Reliability
Multiple open violations — proceed with caution
85 / 100
Safety
Elevated activity — consider before signing
50 / 100
Daily Life
Transit access via Seneca Av (M)
~2 min subway
Compliance · 10-year history
Violation timeline
201620182020202220242026
Active3Resolved with debt0Resolved51Hover any dot for detail
Violations & maintenance history
HPD · DOB · OATH — 3 open, 51 resolved
Open Issues — 3
Minor
§ 27-2010, 2011, 2012 ADM code remove the accumulation of refuse and/or rubbish and maintain in a clean condition the ladder , shoes, garbage bagsans card boards at 1st public hall bulkhead from north, 3rd story
HPD · Filed Apr 2026 · Open
Minor
§ 300 M/D law file plans and application and legalize the following alteration or restore to the legal condition existing prior to the making of said alteration acoustic tile drop ceiling
Apt 3L · 3rd floor · 1st apartment from south at west
HPD · Filed Jan 2026 · Open ·
Minor
§ 300 M/D law file plans and application and legalize the following alteration or restore to the legal condition existing prior to the making of said alteration acoustic tile drop ceiling
Apt 3L · 3rd floor · 1st room from north at east · 1st apartment from south at west
HPD · Filed Jan 2026 · Open ·
Resolved History — 51 (showing 3)
Closed
§ 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 missing or defective spring at bulkhead , 3rd story
HPD · Filed Feb 2026 · Closed
Closed
§ 27-2028, 2032 ADM code provide an adequate supply of heat from an approved central heating system, or an approved system of gas or electrical heating in good operating condition for the dwelling unit
Apt 2R · 2nd floor · 2nd apartment from east at south
HPD · Filed Feb 2026 · Closed ·
Closed
§ 27-2028, 2032 ADM code provide an adequate supply of heat from an approved central heating system, or an approved system of gas or electrical heating in good operating condition for the dwelling unit
Apt 3L · 3rd floor · 1st apartment from east at south
HPD · Filed Feb 2026 · Closed ·
Nearby buildings to audit
Other properties in the area with active violation history — useful comparables when evaluating risk.