What is NYC DOB Form BO9 and How Do I File It?
BO9
DOB
Boiler Inspection Report / DEP Boiler Renewal Request
Answer: Annual boiler inspection and DEP renewal form
Quick Facts
Form Number
BO9
Agency
DOB
Category
Boilers
Last Updated
Dec 2025
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Get the official form from DOB and use our guide above to complete it correctly.
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