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O'brien Plumbing

Registered with Washington L&I Active
OBRIEP*776L7 · Plumbing Contractor · renews September 2027

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

(206) 284-3240Phone on their state registration Reviews on GoogleOpens Google Maps
Journey levelSpecialty on the register

Before you hire them

1Check the name on your estimate matches O'brien Plumbing and registration OBRIEP*776L7.
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 O'brien Plumbing 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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