DEP Triennial Inspections
The New York City Department of Environmental Protection (DEP) requires many building systems to undergo triennial inspections—meaning once every three years—to ensure ongoing code compliance and protect public health and safety. Metropolitan Heat & Power makes the process seamless: we handle every detail, from reminders to city filings, so you stay compliant and worry-free.
Request Triennial InspectionWhat is a DEP Triennial Inspection?
- Required by NYC DEP for select building systems, including certain boilers, water treatment equipment, and other regulated devices.
- Must be performed every three years (triennially) by a licensed and certified professional.
- Ensures continued compliance, public safety, and helps avoid costly violations or service disruptions.
- Inspection and filing deadlines are strictly enforced by the city.
Who Needs Triennial Inspections?
- Owners and managers of commercial, industrial, and many multi-family properties in NYC.
- Any property with DEP-regulated systems subject to triennial review and testing.
- Buildings notified by the city or with equipment previously registered with DEP.
Our Process
1
Deadline Tracking
We monitor your city-required inspection cycle and notify you well in advance.
2
Inspection Scheduling
Book your triennial inspection at a time that works for you—our team is flexible and responsive.
3
On-Site Inspection
A licensed technician performs the full DEP-mandated inspection and tests all relevant systems.
4
Filing & Documentation
We prepare and submit all required reports to DEP, keeping your records in perfect order.
5
Ongoing Compliance
Receive reminders for your next inspection and have a partner to resolve any city issues.
Benefits of Professional DEP Triennial Inspections
- Full compliance with NYC DEP and DOB rules—avoid violations and fines
- Proactive reminders and deadline management
- Licensed, insured, and city-approved inspection teams
- All paperwork, filing, and documentation handled for you
- Quick response and flexible scheduling
- Trusted partner for NYC properties for over 75 years
Frequently Asked Questions
- How do I know if my building needs a DEP triennial inspection?
- If you have equipment or systems registered with DEP, you are likely required to perform inspections every three years. We can help check your status.
- What happens if I miss my triennial deadline?
- The city may issue violations, fines, or even suspend certain services. Our service ensures you never miss a deadline.
- Do you help with inspection filings?
- Yes, we handle all DEP filings and provide you with a full copy of your records for your files.
- Can you assist with violations or corrections?
- Absolutely. If any issues are found during the inspection, our team can perform the required corrections and submit proof to the city.
- Do you serve all boroughs?
- Yes! We serve Brooklyn, Manhattan, Queens, the Bronx, and Staten Island.