Maryland · Boilers

The boiler inspection rules in force in Maryland now.

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. Verified on the primary source, re-checked weekly.

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Boilers in Maryland

Verified on the source
In force

Maryland Boiler and Pressure Vessel Safety Act (Public Safety Art. Title 12, Subtitle 9) and COMAR 09.12.01 (Board of Boiler Rules)

Power and high-pressure water boilers get annual certificate and external inspections (extendable to 2 years with continuous water treatment); other boilers/vessels follow COMAR-set intervals by type and age.

Source: primary document

Who enforces it

Division of Labor and Industry, Boiler and Pressure Vessel Safety Inspection Unit; insurer-employed special inspectors also qualify

Statewide layer. County and city amendments sit on top; the building view resolves them from your ZIP.

What changes next

In force

In force; no pending amendment found

The federal layer

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.

Dated items

Next 24 months
Jan 13, 2027
2027 regular session of the Maryland General Assembly convenes in Annapolis (through Apr 12, 2027) - watch for fire, building-code, elevator, boiler and pool billsMaryland General Assembly
Dated

Questions about the boiler inspection rules in Maryland

Which boiler inspection rules apply in Maryland today?

Maryland Boiler and Pressure Vessel Safety Act (Public Safety Art. Title 12, Subtitle 9) and COMAR 09.12.01 (Board of Boiler Rules). Power and high-pressure water boilers get annual certificate and external inspections (extendable to 2 years with continuous water treatment); other boilers/vessels follow COMAR-set intervals by type and age.

Who enforces the boiler inspection rules in Maryland?

Division of Labor and Industry, Boiler and Pressure Vessel Safety Inspection Unit; insurer-employed special inspectors also qualify.

What changes next for the boiler inspection rules in Maryland?

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.

Other areas in Maryland

Everything in force in Maryland

Priced per building. Your whole team is included.

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