Onion Construction
Concrete · Walla Walla, WA · License #ONIONC*944NH
Registration expired per WA L&I as of Apr 30, 2025.
Onion Construction is one of 11 Concrete contractors registered in Walla Walla, registered with WA L&I since 2006. Registered longer than roughly 75% of Concrete contractors in Walla Walla. Principals on record since 2006.
How confident can you be in Onion Construction?
Are they licensed, bonded, and insured?
Registration expired per WA L&I as of Apr 30, 2025.
Are they who they say they are?
Not yet verified — Onion Construction 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 Walla Walla.
Do they have jobs on record?
Not yet measured — Onion Construction 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
- Aug 3, 2006
- Expiration date
- Apr 30, 2025
- Suspend date
- Oct 31, 2024
- UBI
- 601079173
- Business type
- Individual
- Phone
- (509) 386-8578
- Location
- Walla Walla, WA 99362
Source: WA L&I contractor registration — checked Sep 27, 2026. Applies to every row above.
Registration lapsed Apr 2025 per WA L&I records.
Is this your business? Claim it free to verify ownership — takes about two minutes.
Claim this free listingBond & 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
| Name | Start date |
|---|---|
| Frank Raymond Magnaghi Jr | Aug 3, 2006 |
What is a Concrete contractor licensed to do in Washington?
A concrete specialty contractor is registered with WA L&I to form, pour, and finish concrete — foundations, slabs, driveways, sidewalks, and similar flatwork or structural concrete. The registration covers concrete work only. The registration requires a $15,000 surety bond and general liability insurance on file with WA L&I. Washington currently lists 11 Concrete contractors registered in Walla Walla.
Looking for reviews of Onion Construction?
Subser doesn't have reviews or star ratings. This page shows Onion Construction's WA L&I record — registration status, bond and liability coverage, and principals on file — plus any endorsements from other licensed contractors.
Own Onion Construction? Claim the listing free. Worked with Onion Construction? Endorse them from your own listing.
Other Concrete contractors in Walla Walla, WA
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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.