Maryland Boiler and Pressure Vessel Safety Act (Public Safety Art. Title 12, Subtitle 9) and COMAR 09.12.01 (Board of Boiler Rules). Enforced by Division of Labor and Industry, Boiler and Pressure Vessel Safety Inspection Unit; insurer-employed special inspectors also qualify. Checked on the primary source; the state record was last reviewed 2026-11-12.
Statute text read: power and high-pressure, high-temperature water boilers get an annual certificate inspection; the Board may extend a power boiler to 2 years with supervised continuous water treatment. Other intervals are set by regulation. Exempt: farm agricultural boilers, heating boilers in private residences or apartment houses under six units, certain exhibition boilers. COMAR 09.12.01 text not read.
Source: primary document
Statewide layer. County and city amendments sit on top; confirm the local office for the address.
In force per statute read Oct 19, 2026; no pending amendment found
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.
Maryland Boiler and Pressure Vessel Safety Act (Public Safety Art. Title 12, Subtitle 9) and COMAR 09.12.01 (Board of Boiler Rules). Statute text read: power and high-pressure, high-temperature water boilers get an annual certificate inspection; the Board may extend a power boiler to 2 years with supervised continuous water treatment. Other intervals are set by regulation. Exempt: farm agricultural boilers, heating boilers in private residences or apartment houses under six units, certain exhibition boilers. COMAR 09.12.01 text not read.
Division of Labor and Industry, Boiler and Pressure Vessel Safety Inspection Unit; insurer-employed special inspectors also qualify.
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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