Superior Custom Plumbing LLC
Residential · Marysville, WA · License #SUPERCP783DC
Superior Custom Plumbing LLC is one of 27 Residential contractors registered in Marysville, registered with WA L&I since 2022. Registered longer than roughly half of Residential contractors in Marysville. Current filings: $6,000 surety bond (continuous) and $1,000,000 liability coverage through Feb 10, 2027.
How confident can you be in Superior Custom Plumbing LLC?
Are they licensed, bonded, and insured?
Active license, $6,000 bond and $1,000,000 liability on file — checked against WA L&I records, updated daily.
Are they who they say they are?
Not yet verified — Superior Custom 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 Marysville.
Do they have jobs on record?
Not yet measured — Superior Custom 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.
License facts
- License type
- PLUMBING CONTRACTOR
- Effective date
- Mar 8, 2022
- Expiration date
- Mar 8, 2028
- UBI
- 604074421
- Business type
- Limited Liability Company
- Phone
- (425) 356-1994
- Location
- Marysville, WA 98270
Source: WA L&I contractor registration — checked Aug 17, 2026. Applies to every row above.
Registration is current through Mar 2028.
Is this your business? Claim it free to verify ownership — takes about two minutes.
Claim this free listingBond & insurance on file
| Bond firm | Amount | Effective | Expiration |
|---|---|---|---|
| Nationwide Mutual Ins Co | $6,000 | Jan 9, 2022 | Continuous — until canceled |
| Insurance company | Amount | Agency | Effective | Expiration |
|---|---|---|---|---|
| Ohio Security Ins Co | $1,000,000 | INTEGRITY INSURANCE & FINANCIA | Feb 10, 2023 | Feb 10, 2027 |
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). This contractor's current filing shows a $6,000 bond.
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
| Name | Start date |
|---|---|
| Anthony Richard Thetford | Feb 25, 2022 |
What is a Residential contractor licensed to do in Washington?
A residential specialty registration with WA L&I covers certain work on residential structures as defined by the department. The registration requires a $15,000 surety bond and general liability insurance on file with WA L&I. Washington currently lists 27 Residential contractors registered in Marysville.
Looking for reviews of Superior Custom Plumbing LLC?
Subser doesn't have reviews or star ratings. This page shows Superior Custom Plumbing LLC's WA L&I record — registration status, bond and liability coverage, and principals on file — plus any endorsements from other licensed contractors.
Own Superior Custom Plumbing LLC? Claim the listing free. Worked with Superior Custom Plumbing LLC? Endorse them from your own listing.
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Browse the directory
Built from Washington State L&I public records, updated Aug 17, 2026. Subser doesn't do star ratings or reviews — just verified records.