ContractorHistory

Washington contractor

K5 PLUMBING & MECHANICAL LLC

First registered in Washington on December 22, 2021

License number
K5PLUPM793RH
UBI
604708532
Trade
Plumbing(all plumbing contractors in Washington)
L&I license type and specialty
PLUMBING CONTRACTOR · RESIDENTIAL
City
MOSES LAKE, WA(all contractors in Moses Lake)
Phone
(509) 770-3974

A newer license record under the same UBI is on file: K5 PLUMBING & MECHANICAL LLC, license K5PLUPM792R7, EXPIRED, effective December 27, 2021. See Related licenses below.

Current verification

  • Found: No Attorney General complaint records found
  • Review: Registration is not currently active
  • Review: Registration appears to be expired
  • Review: 2 other license records under the same UBI

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

Registration

Status
EXPIRED
Effective date
December 22, 2021
Expiration date
December 22, 2023
Suspension date
February 22, 2023

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

Related licenses

2 other license numbers are registered under the same UBI, 604708532. 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.

  • K5 PLUMBING & MECHANICAL LLCEXPIRED

    License K5PLUPM792R7 · CONSTRUCTION CONTRACTOR · December 27, 2021 to December 27, 2023 · suspension date March 4, 2023

  • K5 PLUMBING & MECHANICAL LLCRE-LICENSED

    License K5PLUPM797DP · CONSTRUCTION CONTRACTOR · March 17, 2021 to March 17, 2023 · suspension date February 22, 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

L&I does not publish bond records for contractors with EXPIRED status.

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

Liability insurance

L&I does not publish liability insurance records for contractors with EXPIRED status.

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.

  • MILLS, JASON LESLIESince November 29, 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: K5 PLUMBING MECHANICAL in MOSES LAKE. Complaints filed under another name or city are not included.

2 other registered contractors share this business name and city: K5 PLUMBING & MECHANICAL LLC (K5PLUPM792R7, EXPIRED), K5 PLUMBING & MECHANICAL LLC (K5PLUPM797DP, 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 K5PLUPM793RH).