Corstone Contractors LLC

Construction Contractor in Snohomish, Washington

Licensed, bonded & insuredBond $30,000Insurance $1,000,000

Call (360) 862-8316 Send a message Map ↗

Public-record details

Address: 1910 BICKFORD AVENUE, Suite A, Snohomish, WA 98290
Phone: (360) 862-8316
Trade: General contractors & remodelers
L&I licence number: CORSTCL984KZ
Licence type: Construction Contractor
Specialty: General
Status: Active
Business type: Limited Liability Company
UBI number: 602 202 840
Primary principal: Mark Christopher Tapert
Registration effective: May 9, 2002
Registration expires: May 9, 2028
Bond on file: $30,000 (Merchants Bonding Co (Mutual))
Bond effective: May 9, 2026
Bond expires: Until canceled
Liability insurance on file: $1,000,000 (Hartford Fire Ins Co)
Insurance expires: May 1, 2027

Washington L&I licence CORSTCL984KZ: active, expires May 9, 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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