DCMR Title 12, Ch.10E (Boilers, Water Heaters and Pressure Vessels) and Title 17, Ch.4 (Steam Engineers); DOB page names the ASME Boiler and Pressure Vessel Code, Sections I-XI, 2007 edition, as the enforced standard. Enforced by DC Department of Buildings (DOB), Boiler Inspection Service. Checked on the primary source; the state record was last reviewed 2026-11-12.
DOB boiler page (read Oct 15, 2026): boilers and unfired pressure vessels must be inspected at least once a year by DOB inspectors or boiler insurance companies licensed by the District; an annual Certificate of Inspection is issued to the owner for posting. Fees listed: $50 per boiler and per air compressor; insurance inspection card $200. Confirm with DOB.
Source: primary document
Statewide layer. County and city amendments sit on top; confirm the local office for the address.
In force; DOB page re-read Oct 22, 2026 (yearly inspection, annual certificate); the ASME edition it names (2007) is older than the 2017 Construction Codes, so confirm the controlling edition with DOB
There is no federal boiler certificate; the state program below is the whole obligation, with the ASME Boiler and Pressure Vessel Code and the National Board Inspection Code as the referenced standards.
These apply when the building has the equipment or fits the type named. The frequency is the standard one; your local official can set a stricter one, so confirm it for the address.
DCMR Title 12, Ch.10E (Boilers, Water Heaters and Pressure Vessels) and Title 17, Ch.4 (Steam Engineers); DOB page names the ASME Boiler and Pressure Vessel Code, Sections I-XI, 2007 edition, as the enforced standard. DOB boiler page (read Oct 15, 2026): boilers and unfired pressure vessels must be inspected at least once a year by DOB inspectors or boiler insurance companies licensed by the District; an annual Certificate of Inspection is issued to the owner for posting. Fees listed: $50 per boiler and per air compressor; insurance inspection card $200. Confirm with DOB.
DC Department of Buildings (DOB), Boiler Inspection Service.
Nothing is scheduled. The rule above stays in force until the state adopts a newer edition or amends the program; AHJ Radar re-checks the source weekly.
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