California · Boilers

The boiler inspection rules in force in California now.

Labor Code 7620-7771; Title 8 CCR Boiler and Fired Pressure Vessel Safety Orders (secs. 750-797) and Unfired Pressure Vessel Safety Orders (secs. 450-560). Enforced by Cal/OSHA Pressure Vessel Unit (DOSH, Department of Industrial Relations); inspections by state inspectors or qualified insurance-company inspectors. Checked on the primary source; the state record was last reviewed 2026-11-12.

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Boilers in California

Checked on the source

In force

Labor Code 7620-7771; Title 8 CCR Boiler and Fired Pressure Vessel Safety Orders (secs. 750-797) and Unfired Pressure Vessel Safety Orders (secs. 450-560)

Cal/OSHA permits cover air tanks above about 1.5 cu ft, LPG tanks above 125 gal and power boilers above 15 psig. Law: Labor Code 7620-7771; Title 8 secs. 450-560, 750-797. A proposed emergency fee rule (notice Oct 15, 2026) raises the inspection rate from $150 to $180 per hour and the permit-to-operate fee from $45 to $55.

Source: primary document

Who enforces it

Cal/OSHA Pressure Vessel Unit (DOSH, Department of Industrial Relations); inspections by state inspectors or qualified insurance-company inspectors

Statewide layer. County and city amendments sit on top; confirm the local office for the address.

What changes next

Rulemaking pending

Proposed emergency regulation, 8 CCR 344, 344.1, 344.2 (notice Oct 15, 2026): effective on filing with the Secretary of State; filing date not yet confirmed on the primary page. Confirm current fees with the Cal/OSHA Pressure Vessel Unit

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.

What a building has to do

1 recurring duties

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.

Annual

Boiler: certificate inspection per state programState boiler law · State boiler inspection program · Not yet checked line by line against the source.

Questions about the boiler inspection rules in California

Which boiler inspection rules apply in California today?

Labor Code 7620-7771; Title 8 CCR Boiler and Fired Pressure Vessel Safety Orders (secs. 750-797) and Unfired Pressure Vessel Safety Orders (secs. 450-560). Cal/OSHA permits cover air tanks above about 1.5 cu ft, LPG tanks above 125 gal and power boilers above 15 psig. Law: Labor Code 7620-7771; Title 8 secs. 450-560, 750-797. A proposed emergency fee rule (notice Oct 15, 2026) raises the inspection rate from $150 to $180 per hour and the permit-to-operate fee from $45 to $55.

Who enforces the boiler inspection rules in California?

Cal/OSHA Pressure Vessel Unit (DOSH, Department of Industrial Relations); inspections by state inspectors or qualified insurance-company inspectors.

What changes next for the boiler inspection rules in California?

Rulemaking pending. Proposed emergency regulation, 8 CCR 344, 344.1, 344.2 (notice Oct 15, 2026): effective on filing with the Secretary of State; filing date not yet confirmed on the primary page. Confirm current fees with the Cal/OSHA Pressure Vessel Unit