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How many licensed boiler operators are in California?

How many are licensed in California, what level they hold, and how that compares per resident.

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As of August 24, 2026, California has 733 licensed boiler operators on its state register.

733
licensed boiler operators
1.9
per 100k residents
#10
of 19 states

What level they hold

Journeyman52
Contractor681

How California compares

StateLicensed boiler operatorsPer 100k
Utah1,30238.1
Pennsylvania7926.1
California7331.9
New Mexico46121.8
Connecticut38910.8

California is part of 51,411 licensed boiler operators nationally, and ranks #16 of 19 published states by per-capita density.

Common questions

How many licensed boiler operators are there in California?
As of August 24, 2026, California has 733 licensed boiler operators on its state register.
How many boiler operators per capita does California have?
California has 1.9 licensed boiler operators per 100,000 residents (Census 2023 population).
Is this the same as employment estimates?
No. This is a count of active licenses on the state register, not a BLS survey estimate of employment. Licensed capacity and estimated employment are different numbers.
How often is this updated?
The register is re-pulled and re-judged nightly. Every figure carries its as-of date.

Related pages

Market
California licensed trades supplyElectricians
Electricians in CaliforniaHVAC Technicians
HVAC Technicians in CaliforniaPlumbers
Plumbers in California
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