Knockout Plumbing & Mech LLC

Plumbing Contractor in Seattle, Washington

Licensed, bonded & insuredBond $6,000Insurance $1,000,000

Call (206) 858-2211 Send a message Map ↗

Public-record details

Address: 1724 S Spokane St, Seattle, WA 98144
Phone: (206) 858-2211
Trade: Plumbing contractors
L&I licence number: KNOCKPM782DB
Licence type: Plumbing Contractor
Specialty: Residential
Status: Active
Business type: Limited Liability Company
UBI number: 604 427 827
Primary principal: Zachary Stephen Miller
Registration effective: March 25, 2022
Registration expires: March 25, 2028
Bond on file: $6,000 (Western Surety Co)
Bond effective: March 25, 2022
Bond expires: Until canceled
Liability insurance on file: $1,000,000 (Federated Mutual Ins Co)
Insurance expires: July 14, 2027

Washington L&I licence KNOCKPM782DB: active, expires March 25, 2028; bond and liability insurance on file (checked 2026-09-30). Source: Washington L&I contractor registration, bond and insurance files (record). Data as of 2026-09-30.

Data comes from Washington L&I's public contractor, bond and insurance files. Before hiring, re-check the licence at secure.lni.wa.gov/verify (it also shows violations and lawsuits) and ask for the written disclosure statement. Planning an ADU in Seattle or Bellevue? See ADU Builder Index.

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