Mad Pipers Plumbing LLC

Plumbing Specialty · Snohomish, WA · License #MADPIPP820QE

Registration expired per WA L&I as of Nov 5, 2022.

What do these mean?

Mad Pipers Plumbing LLC is one of 20 Plumbing Specialty contractors registered in Snohomish, registered with WA L&I since 2018. Principals on record since 2018.

How confident can you be in Mad Pipers Plumbing LLC?

Are they licensed, bonded, and insured?

Registration expired per WA L&I as of Nov 5, 2022.

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

Are they who they say they are?

Not yet verified — Mad Pipers Plumbing LLC 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 Snohomish.

Do they have jobs on record?

Not yet measured — Mad Pipers Plumbing LLC 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
Nov 5, 2018
Expiration date
Nov 5, 2022
UBI
604340258
Business type
Limited Liability Company
Phone
(425) 418-0814
Location
Snohomish, WA 98290

Source: WA L&I contractor registration — checked Nov 14, 2026. Applies to every row above.

Registration lapsed Nov 2022 per WA L&I records.

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Bond & insurance on file

What the bond and insurance requirements mean for homeowners

Washington requires specialty contractors to file a $15,000 surety bond with the Department of Labor & Industries as a condition of registration ($30,000 for general contractors).

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.

Principals

NameStart date
Zechariah David WalkerNov 5, 2018
Ragen John RossNov 5, 2018
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. The registration requires a $15,000 surety bond and general liability insurance on file with WA L&I. Washington currently lists 20 Plumbing Specialty contractors registered in Snohomish.

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Subser doesn't have reviews or star ratings. This page shows Mad Pipers Plumbing LLC'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 Nov 14, 2026. Subser doesn't do star ratings or reviews — just verified records.