William Leonard LLC

Plumbing Contractor in Seattle, Washington

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

Call (206) 850-7524 Send a message Map ↗

Public-record details

Address: 415 N 70th St, Seattle, WA 98103
Phone: (206) 850-7524
Trade: Plumbing contractors
L&I licence number: WILLILL790P9
Licence type: Plumbing Contractor
Specialty: Journey Level
Status: Active
Business type: Limited Liability Company
UBI number: 602 455 125
Primary principal: William Keith Leonard
Registration effective: February 15, 2022
Registration expires: February 15, 2028
Bond on file: $6,000 (Lexon Ins Co)
Bond effective: December 10, 2021
Bond expires: Until canceled
Liability insurance on file: $1,000,000 (Federated Mutual Ins Co)
Insurance expires: August 8, 2027

Washington L&I licence WILLILL790P9: active, expires February 15, 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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