New York City has some of the most complex building compliance requirements in the country. Between the Department of Buildings (DOB), Fire Department (FDNY), and Department of Environmental Protection (DEP), a single commercial building can have a dozen different inspection and filing deadlines in a given year. Missing any one of them can result in violations that cost building owners thousands in fines and put your inspection company's reputation at risk.
Here is a comprehensive guide to the compliance deadlines that matter most in 2026.
Boiler Inspections — Annual, Due by Operating Certificate Expiration
Every boiler in New York City must be inspected annually by an authorized insurance company or a licensed high-pressure boiler operating engineer. The inspection must be completed before the operating certificate expires, and the renewed certificate must be filed with the DOB. Low-pressure boilers used only for heating must be inspected before each heating season, typically by October 1st. High-pressure boilers used for process steam require year-round monitoring.
The critical detail many inspection companies miss is that the DOB requires the inspection report to be filed within 45 days of the inspection date. Completing the inspection on time but filing late still results in a violation.
Fire Alarm Systems — FDNY Annual Testing
All fire alarm systems in buildings that fall under the New York City Fire Code must be tested annually. The testing must be performed by a company holding an FDNY Certificate of Approval, and the results must be filed using the FDNY Certificates of Fitness system. For buildings with central station monitoring, the monitoring company must also confirm that signals were received and processed correctly during testing.
FDNY has been increasing enforcement on fire alarm testing compliance since 2024. Buildings found with expired or missing test reports face immediate violations and potential Vacate Orders for repeat offenders.
Sprinkler Systems — NFPA 25 Quarterly, Semi-Annual, and Annual
Sprinkler system inspections follow the NFPA 25 schedule, which includes quarterly visual inspections, semi-annual valve inspections, and annual comprehensive inspections including flow testing. In NYC, these inspections must be documented and available for review by the FDNY at any time.
The 2026 calendar breaks down as follows. Q1 inspections are due by March 31st. Q2 inspections are due by June 30th. Q3 inspections are due by September 30th. Q4 inspections are due by December 31st. Annual comprehensive inspections with flow tests should be scheduled in Q1 or Q2 to allow time for any required repairs before the end of the year.
Facade Inspections — Local Law 11 / FISP Cycle 9
The Facade Inspection and Safety Program (FISP), formerly known as Local Law 11, requires buildings taller than six stories to have their exterior walls and appurtenances inspected every five years by a Qualified Exterior Wall Inspector (QEWI). Cycle 9 filing deadlines are staggered by the last digit of the building's block number. If your clients have buildings in the current filing window, reports must be submitted to the DOB before the cycle deadline.
FISP violations are among the most expensive in the DOB system. An unsafe condition finding requires immediate remediation, and failure to file on time results in escalating penalties that can reach tens of thousands of dollars.
Backflow Prevention — DEP Annual Testing
All backflow prevention devices in NYC must be tested annually by a licensed DEP Backflow Prevention Device Tester. Test reports must be submitted to the DEP within 30 days of the test date. The DEP cross-references test submissions with their device registry, so any device in the system that does not have a current test report will generate a violation notice.
The DEP has moved most backflow reporting to their online portal. Make sure your testing company is registered and submitting reports digitally to avoid processing delays.
Elevator Inspections — DOB Category 1 and Category 5
Elevators in NYC require two types of periodic inspections. Category 1 inspections are performed annually and cover the general operation and safety of the elevator. Category 5 inspections are performed every five years and include a full-load safety test. Both must be performed by a DOB-licensed elevator inspection agency.
The DOB has significantly increased penalties for overdue elevator inspections. As of 2026, buildings with Category 1 inspections more than 60 days overdue face automatic violations with fines starting at one thousand dollars per device.
How to Stay on Top of Every Deadline
The inspection companies that never miss deadlines share one thing in common. They do not rely on memory or manual tracking. They use systems that automatically track every piece of equipment, its compliance status, and its next due date. When a deadline is 30 days out, the system alerts both the inspection company and the building contact. When a filing is due, the system generates the report in the required format.
Compliance tracking is not a nice-to-have feature. It is the core value proposition of every inspection business. Your clients hire you specifically so they do not have to worry about deadlines. Make sure your systems live up to that promise.
KomplyOS Team
Product & Industry Insights
Sharing practical insights on building compliance, inspection operations, and growing a successful compliance business in New York City.