Free preview · 2 pages
Unlock the full PDF
All findings, all sources, one defensible document.
One-time payment · $9.99 · Secure Stripe checkout
New search
Property Audit ReportBBL 4034020002Generated Jun 11, 2026
Walk-up apt
413 Onderdonk Avenue
Overall
Caution — Review Before Signing
Caution — Review Before Signing
Open Violations
30
DOB + HPD
Unpaid Fines
$0
OATH / ECB
Flood Zone
X
FEMA designation
Audit Score
72/100
Composite index
Address-level public record preview
413 Onderdonk Avenue is tracked in NYC Property Audit as BBL 4034020002, located in QN, built in 1930, 6 residential units, 30 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.
Free preview — Pro unlocks: owner of record · mortgage details · fine amounts · permit costs · school ratings · neighborhood demographics Unlock full report →
Key Findings
4 items
30 open violations on record· DOB · HPD
Annual property tax estimated at ~$44,492 (Tax Class 2)· NYC DOF
Last sold for $825,000 in February 2026· ACRIS
Most recent mortgage: $536,250 from MORTGAGE ELECTRONIC REGISTRATION SYSTEMS, INC in 2026 (+1 more on Financials)· ACRIS
Building Details
✓ Verified · PLUTO
Building Area
4,125 sf
Zoning
R6B
Basement
Converted
Land Use
Multi-Family Walk-Up Buildings
Registered Owner
Rent Regulation
Yes · 4 regulated units(DHCR)
Quick facts
- How many units does this building have?
- 6 residential units.
- How tall is this building?
- 3 stories, non-fireproof construction, built in 1930.
- How big is the lot?
- 2,542 sq ft (25 ft × 101.67 ft).
- What's the building class?
- Class C2 — 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
Elevated Risk
Maintenance Reliability
Multiple open violations — proceed with caution
31 / 100
Safety
Moderate activity — typical urban
72 / 100
Daily Life
Transit access via DeKalb Av (L)
~8 min subway
Compliance · 10-year history
Violation timeline
201620182020202220242026
Active25Resolved with debt0Resolved31Hover any dot for detail
Violations & maintenance history
HPD · DOB · OATH — 25 open, 31 resolved
Tip: this building has 6 residential units and 25 open violations across all of them. To see only the records affecting your apartment, run a new search with your unit number (e.g. 5A or PH2) in the APT / UNIT field on the homepage.
Open Issues — 25
Minor
567 (c) § 27-2017, 27-2017.1, 27-2017.4, 27-2017.5, 27-2017.8, 27-2019, 27-2021 HMC: abate the nuisance consisting of evidence of rats and all underlying causes creating the pest infestations, by using integrated pest management (ipm), eliminate all burrow entry and passageways, pest nests, holes, gaps or cracks in walls, ceilings, floors, fixing leaks and managing garbage in public areas. Evidence found at , yard
HPD · Filed Mar 2026 · Open
Minor
Properly repair or replace the broken or defective wash basin cabinet
§ 27-2005 HMCApt 1R · 1st floor · 1st apartment from north at east
HPD · Filed Mar 2026 · Open ·
Minor
Properly repair or replace the broken or defective intercom system from building entrance to the west wall
§ 27-2005 HMCApt 1R · 1st floor · 1st apartment from north at east
HPD · Filed Mar 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 drop ceiling
Apt 1R · 1st floor · 4th room from east · 1st apartment from east at south
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 drop ceiling
Apt 1R · 1st floor · 3rd room from east · 1st apartment from east at south
HPD · Filed Jan 2026 · Open ·
Resolved History — 31 (showing 3)
Closed
Abate the nuisance consisting of scalding hot water exceeding the maximum temperature of 130 degrees fahrenheit at all hot water fixtures
§ 27-2005 ADM CODE & 309 M/D LAWApt 1R · 1st floor · 1st apartment from east at south
HPD · Filed Jan 2026 · Closed ·
Closed
Properly repair or replace the broken or defective intercom system at the north wall
§ 27-2005 HMCApt 1R · 1st floor · 1st apartment from east at south
HPD · Filed Jun 2025 · Closed ·
Closed
HMC ADM code: § 27-2017.4 abate the infestation consisting of mice
Apt 1R · 1st floor · 1st apartment from east at south
HPD · Filed Jun 2025 · Closed ·
Nearby buildings to audit
Other properties in the area with active violation history — useful comparables when evaluating risk.