How often is annual boiler inspection required for a boiler in California?

Annually. Pressure boilers are inspected by the state and carry a posted permit; most need it yearly. Code reference: 8 CCR §770 (Cal/OSHA Boiler and Fired Pressure Vessel Safety Orders).

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Boiler inspection requirements in California

1 code-mandated inspection, each with the section that requires it. Generated from the same catalog that runs Muniment, so this page cannot drift from what the product actually enforces.

Annual boiler inspection

Annually

Pressure boilers are inspected by the state and carry a posted permit; most need it yearly.

Code reference: 8 CCR §770 (Cal/OSHA Boiler and Fired Pressure Vessel Safety Orders)
Who may perform it: CA state boiler inspector

Read the operative sentence

“All boilers subject to these Orders are subject to annual internal and external inspection, except as provided in subsection (b). NOTE: §770(b) allows 18-month intervals for single-turbine turboelectric plants, and on application the Division may grant up to 36 months (fired boilers) or 72 months (process steam generators). §771 exempts some boilers from annual inspection entirely.”

8 CCR §770, official DIR publication · read Aug 22, 2026

Muniment tracks every one of these for you.

Add a boiler to a building and its schedule appears — dated, cited, and chased before it lapses. The record is yours, exportable, and it outlives whichever contractor does the work.

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Muniment tracks inspection schedules against published code references. It is not legal advice, and the authority having jurisdiction has final say. Last generated from the catalog at https://usemuniment.com.