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Plumber shortage in Hawaii: the licensed-supply numbers
What the Hawaii register actually shows, by tier and per capita, updated nightly.
As of 2026-08-09, Hawaii carries 3,329 licensed plumbers
on its state register, or 232.0 per 100,000 residents.
3,329
licensed plumbers
232.0
per 100k residents
#14
density rank of 42
Hawaii does not issue a separate apprentice license for this trade, so no pipeline ratio is published here. The tier counts below are what the register itself records.
By credential tier
Every plumber license on the Hawaii register, normalized to one ladder.
Tier
Licensed
Share
Journeyman
2,650
80%
Master
679
20%
Against comparable states
States nearest Hawaii on licensed plumbers per capita.
State
Licensed plumbers
Per 100k
Hawaii
3,329
232.0
West Virginia
5,514
311.5
South Dakota
2,677
291.2
Arkansas
8,846
288.4
Connecticut
7,110
196.6
Indiana
12,526
182.5
Louisiana
8,305
181.6
Counts, not a capacity opinion. We publish the licensed supply and the pipeline
ratio; whether a market can absorb a given project is a judgement for the reader, not a claim we make.
Frequently asked
Is there a plumbers shortage in Hawaii?
Reporting on the shortage rarely states how many are actually licensed. Hawaii carries 3,329 licensed plumbers on its register as of 2026-08-09, or 232.0 per 100,000 residents. Readers can weigh that supply against demand directly.
How many licensed plumbers does Hawaii have?
3,329 on the state register as of 2026-08-09, including 679 at master level.
Where does the shortage narrative come from?
Industry analyses project national shortfalls of hundreds of thousands of skilled-trades workers against data-center and electrification demand. Those are demand-side estimates; the figure here is the licensed supply on the register today.
New licenses, ladder upgrades, classification changes and lapses, by market and credential tier. Read the quarterly free, or license the underlying data.