What is a DOB Class 2 violation?
A DOB violation issued for a major but not immediately hazardous condition — still serious enough to require permits or formal corrective action.
Authority: Department of Buildings (DOB)
Severity: Major
Citation: 1 RCNY § 102-01(c); NYC Administrative Code § 28-204.1
Who gets this violation?
Buildings with unpermitted alterations, non-compliant installations (plumbing, electrical, mechanical), or work not built to approved plans.
Common causes
- Unpermitted alterations visible during inspection
- Installations not matching approved construction documents
- Failure to file required inspection reports on time
- Non-compliance with energy code during construction
- Missing or expired Certificate of Occupancy for the current use
Consequences of ignoring it
- Penalties up to $10,000 per violation
- Required correction with permits and DOB sign-off
- Certificate of Occupancy may be withheld or revoked
- Unpaid penalties become judgment liens
- Can complicate refinance, sale, or insurance
How to resolve
- Determine whether permitted work was done without filings, or unpermitted work was done
- Hire a licensed architect or professional engineer as needed
- File the correct DOB application (legalization, alteration, or correction)
- Complete work and schedule DOB inspection
- Certify correction via DOB NOW and attend ECB/OATH hearing
Typical cost
$2,500 – $25,000 per violation
This range includes filing penalties, remediation/repair work, and related legal or consulting fees. Actual cost varies with severity, timing, and responsiveness — resolving within mandated cure windows is always cheaper than allowing fines to compound.
Frequently Asked Questions
Can I check if my building has a DOB Class 2 violation?
Yes. Search any NYC address on RegWatch to see current DOB violations on the property, including their class, issue date, status, and any associated fines. This covers both DOB and HPD violation systems and is sourced directly from the authoritative agency records.
How long do I have to correct a DOB Class 2 violation?
Correction windows vary by severity. Major/hazardous violations typically require correction within 30 days. Check your specific Notice of Violation for the exact deadline.
Does a DOB Class 2 violation become a lien on my property?
Unpaid penalties associated with DOB Class 2 violations become judgment liens on the property when they go unpaid for 90+ days (ECB liens) or through DOF collection. These liens appear on title searches and can block refinance or sale closings until satisfied.
What's the difference between a DOB Class 2 violation and a Notice of Violation (NOV)?
A Notice of Violation (NOV) is the initial citation issued by the agency inspector. The DOB Class 2 classification refers to the severity tier assigned to the NOV. Once issued, the NOV creates both a DOB/HPD violation record and an ECB/OATH summons that carries the imposed penalty.
Where can I file a certification of correction?
For DOB violations, file via DOB NOW. For HPD violations, file via HPD Online with photo evidence of the correction. For ECB/OATH summonses, you must attend a hearing or pay the penalty — correction alone does not dismiss an ECB fine.
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