Plumber License Difficulty by State (2026)

Compare plumber license difficulty across 51 states. Average difficulty: 26/100. Easiest in Nebraska (13), hardest in Hawaii (38).

Average

Easiest

Nebraska

Score: 13

Hardest

Hawaii

Score: 38

#	State	Score	Grade	Label	Confidence
1	Nebraska	13	A	Very Easy	50%
2	Wyoming	13	A	Very Easy	50%
3	Alabama	14	A	Very Easy	83%
4	Kansas	18	A	Very Easy	33%
5	Missouri	18	A	Very Easy	33%
6	New York	18	A	Very Easy	33%
7	Pennsylvania	18	A	Very Easy	33%
8	Indiana	22	B	Easy	83%
9	North Dakota	24	B	Easy	83%
10	Alaska	25	B	Easy	83%
11	Arizona	25	B	Easy	83%
12	Arkansas	25	B	Easy	83%
13	California	25	B	Easy	83%
14	Kentucky	25	B	Easy	83%
15	Louisiana	25	B	Easy	83%
16	Mississippi	25	B	Easy	83%
17	Montana	25	B	Easy	83%
18	Nevada	25	B	Easy	83%
19	New Hampshire	25	B	Easy	83%
20	Oklahoma	25	B	Easy	83%
21	South Carolina	25	B	Easy	83%
22	South Dakota	25	B	Easy	83%
23	Tennessee	25	B	Easy	83%
24	Texas	25	B	Easy	83%
25	Virginia	25	B	Easy	83%
26	Colorado	26	B	Easy	83%
27	District of Columbia	26	B	Easy	83%
28	Florida	26	B	Easy	83%
29	Georgia	26	B	Easy	83%
30	Idaho	26	B	Easy	83%
31	Iowa	26	B	Easy	83%
32	Minnesota	26	B	Easy	83%
33	New Mexico	26	B	Easy	83%
34	Utah	26	B	Easy	83%
35	Washington	27	B	Easy	83%
36	Connecticut	29	B	Easy	67%
37	Delaware	29	B	Easy	67%
38	Maine	29	B	Easy	67%
39	Maryland	29	B	Easy	67%
40	Michigan	29	B	Easy	67%
41	North Carolina	29	B	Easy	67%
42	Oregon	29	B	Easy	67%
43	Rhode Island	29	B	Easy	67%
44	West Virginia	29	B	Easy	67%
45	Massachusetts	31	B	Easy	83%
46	Illinois	33	B	Easy	83%
47	New Jersey	33	B	Easy	83%
48	Ohio	33	B	Easy	83%
49	Wisconsin	34	B	Easy	83%
50	Vermont	37	B	Easy	83%
51	Hawaii	38	B	Easy	67%

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FAQ

Which state is easiest to get a plumber license?

Nebraska has the easiest plumber license with a difficulty score of 13/100.

Which state is hardest to get a plumber license?

Hawaii has the hardest plumber license with a difficulty score of 38/100.

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