ContractorHistory

Washington contractor

COLUMBIA BASIN PLUMBING LLC

Registered in Washington for 5 years

License number
COLUMBP799MF
UBI
603565922
Trade
Plumbing(all plumbing contractors in Washington)
L&I license type and specialty
PLUMBING CONTRACTOR · JOURNEY LEVEL
City
Kennewick, WA(all contractors in Kennewick)
Phone
(509) 619-5003

Current verification

  • Found: Active Washington contractor registration
  • Found: Current bond record found
  • Found: Current liability insurance record found
  • Found: No Attorney General complaint records found
  • Review: 1 other license record under the same UBI

From the state records below; each section shows its source and when it was last synced.

Registration

Status
ACTIVE
Effective date
August 20, 2021
Expiration date
August 20, 2027

Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.

Related licenses

One other license number is registered under the same UBI, 603565922. A UBI identifies one business with the state; a business may hold more than one license, renew under a new number, or register a new license after an earlier one closed.

  • COLUMBIA BASIN PLUMBINGRE-LICENSED

    License COLUMBP845BO · CONSTRUCTION CONTRACTOR · January 20, 2016 to January 20, 2022

    L&I describes this status as "relicensed under another name, structure, or specialty." Relicensing is common: a business is given a new license number when it changes its legal structure, name, or specialty.

Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.

Bond

Current bond

  • Bond company
    Western Surety Co
    Bond number
    66761984
    Amount
    $6,000
    Effective date
    August 15, 2023
    Expiration date
    Until canceled

Bond history

  • Bond company
    Merchants Bonding Co (Mutual)
    Bond number
    WA5616830
    Amount
    $6,000
    Effective date
    July 12, 2021
    Expiration date
    Not on record
    Cancellation date
    August 12, 2023

Source: L&I Contractor License Data - Bond, Washington State Department of Labor & Industries. Last synced October 9, 2026.

Liability insurance

Current policy

  • Carrier
    Cincinnati Indemnity Company
    Policy number
    EPP 0493074
    Coverage amount
    $1,000,000
    Effective date
    June 18, 2026
    Expiration date
    June 18, 2027

L&I publishes only the policy currently on file. Earlier policies are kept from our own nightly syncs, which began October 6, 2026.

Source: L&I Contractor License Data - Insurance, Washington State Department of Labor & Industries. Last synced October 9, 2026.

People

Principals L&I lists for this license.

  • SIMONIS, JASON RAYSince July 1, 2021

Source: L&I Contractor License - Principal Data, Washington State Department of Labor & Industries. Last synced October 9, 2026.

Attorney General complaints

No Attorney General complaint records found.

Matched on business name and city: COLUMBIA BASIN PLUMBING in Kennewick. Complaints filed under another name or city are not included.

One other registered contractor shares this business name and city: COLUMBIA BASIN PLUMBING (COLUMBP845BO, RE-LICENSED). Complaints are matched by business name and city, so any complaint records shown here also appear on those pages. The records do not say which of these contractors a complaint was about.

A complaint record does not establish that the business violated the law.

Source: Attorney General Consumer Complaints, Washington State Attorney General's Office. Last synced October 9, 2026.

Record history

Changes to this contractor's state records since we began tracking them. The state's current-status tools do not show these.

No changes recorded since our records began on October 6, 2026.

Sources

Record last synced October 7, 2026.

Check this record against the state directly on L&I's Verify a Contractor page (search by license number COLUMBP799MF).