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Cook's Plumbing LLC

Registered with Washington L&I Active
COOKSPL781N6 · Plumbing Contractor · renews October 2028

From the state register, October 17, 2026. Confirm on L&I, which also shows their bond and insurance.

(206) 529-7112Phone on their state registration Reviews on GoogleOpens Google Maps
ResidentialSpecialty on the register

Before you hire them

1Check the name on your estimate matches Cook's Plumbing LLC and registration COOKSPL781N6.
2Ask whether the job needs a permit, and who pulls it.
3Get a written estimate first. No big cash deposits.
Ask this pro to call me

Free. Goes to one pro registered with Washington L&I.

Referral service, not a contractor. Privacy.

"Get a pro to call me" goes to Cook's Plumbing LLC if they can take it; if not, to one other registered plumber near Seattle.

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All plumbers in Seattle

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