Diamond Plumbing & Heating LLC

Plumbing Contractor in Edmonds, Washington

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

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Public-record details

Address: 18814 90th Pl W, Edmonds, WA 98026
Phone: (206) 696-2460
Trade: Plumbing contractors
L&I licence number: DIAMOPH791NT
Licence type: Plumbing Contractor
Specialty: Journey Level
Status: Active
Business type: Limited Liability Company
UBI number: 603 282 226
Primary principal: Kristen Ltnn Sweetwood
Registration effective: September 24, 2021
Registration expires: September 24, 2027
Bond on file: $6,000 (Nationwide Mutual Ins Co)
Bond effective: September 10, 2026
Bond expires: Until canceled
Liability insurance on file: $1,000,000 (Trisura Specialty Insurance CO)
Insurance expires: March 12, 2027

Washington L&I licence DIAMOPH791NT: active, expires September 24, 2027; 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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