Professional Source Intrs INC

General · Rainier, WA · License #PROFESI859D6

Registration expired per WA L&I as of Jun 14, 2024.

What do these mean?

Professional Source Intrs INC is one of 117 General contractors registered in Rainier, registered with WA L&I since 2015. Registered longer than roughly 75% of General contractors in Rainier. Principals on record since 2015.

How confident can you be in Professional Source Intrs INC?

Are they licensed, bonded, and insured?

Registration expired per WA L&I as of Jun 14, 2024.

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

Are they who they say they are?

Not yet verified — Professional Source Intrs INC 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 Rainier.

Do they have jobs on record?

Not yet measured — Professional Source Intrs INC 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
Mar 26, 2015
Expiration date
Jun 14, 2024
Suspend date
Mar 24, 2020
UBI
603476700
Business type
Corporation
Phone
(360) 446-6446
Location
Rainier, WA 98576

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

Registration lapsed Jun 2024 per WA L&I records.

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Bond & insurance on file

What the bond and insurance requirements mean for homeowners

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

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
Sean Antonius ZiemathisMar 26, 2015
Jennifer ZiemathisMar 26, 2015
What is a General contractor licensed to do in Washington?

A general contractor in Washington is registered with the Department of Labor & Industries to perform or oversee work in multiple building trades. General contractors can take on whole projects — remodels, additions, new construction — and can hire specialty subcontractors for individual trades. As a condition of registration, contractors in this category file a $30,000 surety bond and proof of general liability insurance with WA L&I. Washington currently lists 117 General contractors registered in Rainier.

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Subser doesn't have reviews or star ratings. This page shows Professional Source Intrs INC'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.