This page is a free snapshot. Track the same market as it changes, every night: new licenses, contractors adding a trade, and companies going dark.Start tracking
How many licensed plumbers are in California?
Licensed-supply count from the California register, by credential tier and per capita.
As of 2026-08-09, California has 14,076 licensed plumbers
on its state register.
14,076
licensed plumbers
36.1
per 100k residents
#8
of 42 states
California plumbers by credential tier
Contractor14,076
How California compares
State
Licensed plumbers
Per 100k
Maine
16,869
1208.6
Illinois
15,751
125.5
California
14,076
36.1
Indiana
12,526
182.5
Idaho
11,107
565.3
California is part of 324,175 licensed plumbers nationally, and ranks #35 of 42 published states by per-capita density.
Questions
How many licensed plumbers are there in California?
As of 2026-08-09, California has 14,076 licensed plumbers on its state register.
How many plumbers per capita does California have?
California has 36.1 licensed plumbers 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.
New licenses, ladder upgrades, classification changes and lapses, by market and credential tier. Read the quarterly free, or license the underlying data.