O'Brien Plumbing

Plumbing Specialty · Seattle, WA · License #OBRIEP*092MA

Re-licensed per WA L&I — this registration was replaced.

WA L&I status: RE-LICENSED

What do these mean?

O'Brien Plumbing is one of 61 Plumbing Specialty contractors registered in Seattle, registered with WA L&I since 1991. Registered longer than roughly 75% of Plumbing Specialty contractors in Seattle.

How confident can you be in O'Brien Plumbing?

Are they licensed, bonded, and insured?

Registration not currently active per WA L&I.

Source:License facts on this pageVerify at WA L&I

Are they who they say they are?

Not yet verified — O'Brien Plumbing hasn't claimed this listing. Own this business? Claim it free.

Do other pros stand behind them?

No endorsements yet from other licensed contractors in Seattle.

Do they have jobs on record?

Not yet measured — O'Brien Plumbing hasn't run jobs through Subser. Performance data comes from real jobs, not reviews.

Subser doesn't do star ratings or reviews — just verified records. What do these mean?

License facts

License type
CONSTRUCTION CONTRACTOR
Effective date
Jul 1, 1991
Expiration date
Jul 1, 2022
UBI
601321003
Business type
Individual
Phone
(206) 284-3240
Location
Seattle, WA 98199

Source: WA L&I contractor registration — checked Sep 27, 2026. Applies to every row above.

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Bond & insurance on file

What the bond and insurance requirements mean for homeowners

To register as a specialty contractor in Washington, a business must file a $15,000 surety bond with the Department of Labor & Industries; general contractors file $30,000.

The bond is a limited fund a homeowner (or subcontractor or supplier) can make a claim against, through the courts, if a registered contractor fails to meet its obligations on a job. Contractors must also keep general liability insurance on file — at least $50,000 in property damage and $200,000 in public liability coverage, or a $250,000 combined single limit — which covers damage the contractor causes, not workmanship disputes. The rows above are the bond and insurance filings L&I publishes for this registration; whether a specific filing applies to a specific project depends on its dates and terms.

What is a Plumbing Specialty contractor licensed to do in Washington?

A plumbing specialty contractor registration with WA L&I covers plumbing installation and repair work. Individual plumbers in Washington are additionally certified through a separate state plumber-certification program; the contractor registration shown here is the business-level registration. As a condition of registration, contractors in this category file a $15,000 surety bond and proof of general liability insurance with WA L&I. Washington currently lists 61 Plumbing Specialty contractors registered in Seattle.

Looking for reviews of O'Brien Plumbing?

Subser doesn't have reviews or star ratings. This page shows O'Brien Plumbing's WA L&I record — registration status, bond and liability coverage, and principals on file — plus any endorsements from other licensed contractors.

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Built from Washington State L&I public records, updated Sep 27, 2026. Subser doesn't do star ratings or reviews — just verified records.