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State files updated Oct 31, 2026
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Washington contractor license

Csi Plumbing LLC

Csi Plumbing LLC of Deer Park holds Washington license CSIPLPL751CS (PC-01 Journey Level). The L&I file dated Oct 31, 2026 lists it as active.1 It expires Feb 10, 2027.

Active

  • Liability insurance ends Dec 1, 2026 (31 days)

Csi Plumbing LLC, Deer Park

License
CSIPLPL751CS
Class
PC-01 Journey Level
Expires
Feb 10, 2027
Bond
$6,000
Liability insurance
$300,000 to Dec 1, 2026

L&I file dated Oct 31, 2026

From the L&I file dated Oct 31, 2026. Not a consumer report; check the board before you hire.

Has the board taken action on this license?

None in the L&I file dated Oct 31, 2026. Confirm with the board: L&I contractor lookup

What bond, insurance and workers' comp are on file?

Bond
$6,000Swiss RE Corporate Solutions America Insurance Corporation, from Feb 7, 2025, continuous
Liability insurance
$300,000Midvale Indemnity Comp, from Dec 1, 2025, to Dec 1, 2026
Workers' comp
Not in the L&I fileCheck with the board

What work does this license cover?

License level: Plumbing Contractor. Issued Feb 10, 2025.

Which other Deer Park businesses hold PC-01 Journey Level?

Washington plumbing contractors

What should you check before hiring?

What to ask before you hire

  1. Ask whether it has been renewed. Something on this license ends within 60 days. Check again before you pay a deposit.
  2. Get the license number in writing. The name on the license should match the name on your contract and invoice.
  3. Check the class covers the job. A license for one trade doesn't cover another. Washington license classes
  4. Ask for a certificate of insurance sent to you by the insurance agent, not handed over by the contractor. How to read a COI
  5. Ask who will be on site. If a crew works on your property, ask for proof of workers' comp. The L&I file doesn't record workers' comp, so ask for the certificate.
  6. Put it in a written contract: license number, price, start date and payment schedule. Check the license again on the day you sign.

If the license is lapsed

  1. Don't sign or pay a deposit until the L&I shows the license active again.
  2. Ask the contractor why. For a bond or insurance lapse, ask for proof that the new bond or policy was filed with the L&I, then check again.
  3. If work has started, hold further payments, keep the contract, receipts and photos, and file a complaint with Department of Labor and Industries (L&I).
  4. Check another contractor. Washington license lookup

Sources

  1. L&I contractor license data (data.wa.gov, Oct 31, 2026)
  2. Department of Labor and Industries (L&I)