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Nearby Plumber — nearbyplumber.com · License-verified plumbing directory · printed Oct 23, 2026
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Plumber directory, checked against state license records.

Search plumbers in Washington by business name or city. Every listing came from a state’s own public records, not a paid directory or a scrape, and is listed A to Z by name. We badge the ones matched to an active credential, say plainly when we have not, and never publish a review we did not collect from a confirmed customer.

How we verify plumbers

All states 28,312 plumbers Texas 6,434 plumbers Minnesota 1,631 plumbers Washington 2,056 plumbers California 17,304 plumbers Nevada 887 plumbers
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140 businesses match your filters in Washington.

✓ L&I Verified Checked Oct 21

Cascade Electric & Plumbing

Kelso · Cowlitz County
Plumbing Contractor — Journey Level CASCAEP781BQ
(360) 425-0600 Request a quote
✓ L&I Verified Checked Oct 21

Cascade Northwest Plumbing Inc.

Yacolt · Clark County
Plumbing Contractor — Journey Level CASCANP772C1
(360) 558-8096 Request a quote
✓ L&I Verified Checked Oct 21

Cascade Plumbing & HTG Inc.

White Salmon · Klickitat County
Plumbing Contractor — Journey Level CASCAPH772P6
(509) 493-4570 Request a quote
✓ L&I Verified Checked Oct 21

Cascade Plumbing LLC

Yakima · Yakima County
Plumbing Contractor — Journey Level CASCAPL786J8
(509) 949-5902 Request a quote
✓ L&I Verified Checked Oct 21

Cascade Plumbing Service Co.

Woodland · Cowlitz County
Plumbing Contractor — Journey Level CASCAPS791RZ
(503) 544-7454 Request a quote
✓ L&I Verified Checked Oct 21

Cascade Plumbing Solutions LLC

Bonney Lake · Pierce County
Plumbing Contractor — Journey Level CASCAPS795OB
(253) 315-5155 Request a quote
✓ L&I Verified Checked Oct 21

Cascadia Mechanical

Kingston · Kitsap County
Plumbing Contractor — Journey Level CASCAM*767QM
(360) 620-3284 Request a quote
✓ L&I Verified Checked Oct 21

Cascadia Plumbing LLC

Colville · Stevens County
Plumbing Contractor — Journey Level CASCAPL755CS
(425) 246-4820 Request a quote
✓ L&I Verified Checked Oct 21

Cascadian Plumbing PLLC

Auburn · King County
Plumbing Contractor — Residential CASCAPP751P8
(253) 347-6736 Request a quote
✓ L&I Verified Checked Oct 21

Cashmere Plumbing Inc.

Cashmere · Chelan County
Plumbing Contractor — Journey Level CASHMPI791NB
(509) 782-4240 Request a quote
Unverified Checked Oct 21

Casiano Transport LLC

Seattle · King County
Plumbing Contractor — Journey Level CASIATL781K6
(559) 899-9219 Request a quote
✓ L&I Verified Checked Oct 21

Castle Plumbing Service Inc.

Langley · Island County
Plumbing Contractor — Journey Level CASTLPS787BR
(360) 321-5188 Request a quote
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