General contractor · Federal Way, WA

Cornerstone Construction Servs

Active Washington registration CORNECS787K3 · per L&I records

LicensedBondedInsured

Is Cornerstone Construction Servs Licensed?

Washington L&I records list Cornerstone Construction Servs with registration number CORNECS787K3 and status ACTIVE, valid until May 23, 2028. The business address on file is in Federal Way, WA 98023.

License Details

License #: CORNECS787K3
Status: ACTIVE
License type: Construction Contractor
Specialty: General
First effective: May 23, 2022
Expires: May 23, 2028
Business type: Limited Liability Company
UBI (state business ID): 602665764
City: Federal Way, WA 98023

Bond and Insurance on File

Surety bond: $30,000 · Nationwide Mutual Ins Co
Effective Apr 22, 2026 · Until Canceled
Liability insurance: $1,000,000 · Contractors Bonding & Insuranc
Expires Apr 22, 2027

What Active Status Means

The registration is current: L&I has a bond and liability insurance on file and the term has not ended. ACTIVE is necessary but not sufficient, so also check the expiry date, the bond and the insurance below.

Can this business work under this registration? Can work while it stays active.

The registration has 570 days left before it expires on May 23, 2028. Check that date against your project timeline.

All status codes are explained in Washington Contractor License Statuses Explained.

Checks for General Contractors

General contractors must file a $30,000 surety bond (RCW 18.27.040, effective July 1, 2024). This record lists a $30,000 bond. See General vs Specialty Contractor Registration in Washington.
Use a general contractor when the project involves more than one trade. Subcontractors on your job must be registered too.
Compare bids on scope, schedule and payment terms, not just the total.
More detail: How to Choose a General Contractor in Washington.

How to Verify This Contractor

Use the Confirm on L&I Verify button and search registration CORNECS787K3 or UBI 602665764. The status there is the official one.
Check that the name on your bid or contract matches Cornerstone Construction Servs exactly (a limited liability company).
On L&I Verify, look for bond claims, lawsuits and any newer registration.
Ask for a certificate of insurance sent directly by the insurer, and compare it with the Contractors Bonding & Insuranc policy on file.

A full walkthrough is in How to Check a Contractor License in Washington.

Record data as of Oct 30, 2026, from the Washington L&I contractor file.

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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