Licensed contractors in Washington, by county

64,473 contractor and trade licences in force across 38 counties, as of October 11, 2026.

County	Licences	General / home improvement	HVAC	Plumbing	Electrical	Roofing	Other trades
King	15,862	10,912	122	412	970	87	3,359
Snohomish	8,802	5,856	93	259	538	70	1,986
Pierce	7,289	4,776	88	235	593	63	1,534
Spokane	5,016	3,474	56	161	373	36	916
Clark	4,966	3,345	61	169	385	38	968
Whatcom	2,279	1,649	12	63	140	8	407
Kitsap	2,156	1,484	13	93	153	13	400
Thurston	1,945	1,334	16	62	148	10	375
Benton	1,665	1,164	11	51	123	8	308
Skagit	1,513	1,050	10	45	96	14	298
Yakima	1,436	966	21	29	168	8	244
Chelan	972	670	13	35	74	5	175
Clallam	880	626	5	30	58	5	156
Island	833	559	5	32	61	7	169
Lewis	769	548	7	23	67	3	121
Franklin	763	548	9	14	32	5	155
Mason	736	523	4	22	43	3	141
Cowlitz	715	516	7	24	56	2	110
Grant	672	497	10	17	51	4	93
Kittitas	642	445	3	17	59	2	116
Walla Walla	522	357	6	22	32	3	102
Grays Harbor	520	391	3	13	36	1	76
San Juan	500	372	4	15	35	0	74
Okanogan	459	336	6	15	42	0	60
Douglas	449	295	1	15	24	9	105
Jefferson	380	278	4	7	21	1	69
Stevens	331	243	2	16	20	1	49
Klickitat	262	211	0	12	17	1	21
Pacific	194	151	3	4	8	0	28
Whitman	176	116	2	5	17	0	36
Pend Oreille	133	92	1	2	9	0	29
Asotin	129	88	1	4	9	2	25
Adams	115	91	0	2	12	0	10
Lincoln	112	83	0	3	13	1	12
Ferry	103	78	0	3	11	0	11
Skamania	82	63	0	1	6	0	12
Columbia	52	43	0	2	5	0	2
Wahkiakum	43	32	0	0	3	1	7

Places with fewer than 20 licences are not listed. A licence can cover more than one trade, so trade columns can add up to more than the total.

These counts are free and refresh monthly.
They come straight from each state's licensing register. Other public-record datasets are available now.
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