General contractor · Mercer Island, WA
Cornerstone Const & Maint LLC
Active Washington registration CORNECM858DQ · per L&I records
LicensedBondedInsured
Is Cornerstone Const & Maint LLC Licensed?
Washington L&I records list Cornerstone Const & Maint LLC with registration number CORNECM858DQ and status ACTIVE, valid until Mar 30, 2027. The business address on file is in Mercer Island, WA 98040.
License Details
- License #
CORNECM858DQ- Status
- ACTIVE
- License type
- Construction Contractor
- Specialty
- General
- First effective
- Mar 18, 2015
- Expires
- Mar 30, 2027
- Business type
- Limited Liability Company
- UBI (state business ID)
- 603191543
- City
- Mercer Island, WA 98040
Bond and Insurance on File
- Surety bond
- $30,000 · Western Surety Co
Effective Mar 15, 2025 · Until Canceled - Liability insurance
- $1,000,000 · Scottsdale Ins Co
Expires Mar 15, 2027
Accuracy notice. Data from Washington L&I open data (public domain, PDDL), not affiliated with any government. Records change; confirm on the official L&I Verify tool before hiring. Search other businesses with the Washington contractor license lookup.
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