General contractor · Castle Rock, WA

Ground Zero Excavation LLC

Active Washington registration GROUNZE742MU · per L&I records

LicensedBondedInsured

Is Ground Zero Excavation LLC Licensed?

Washington L&I records list Ground Zero Excavation LLC with registration number GROUNZE742MU and status ACTIVE, valid until Jul 31, 2028. The business address on file is in Castle Rock, WA 98611.

License Details

License #: GROUNZE742MU
Status: ACTIVE
License type: Construction Contractor
Specialty: General
First effective: Jul 31, 2026
Expires: Jul 31, 2028
Business type: Limited Liability Company
UBI (state business ID): 604857910
City: Castle Rock, WA 98611

Bond and Insurance on File

Surety bond: $30,000 · Lexon Ins Co
Effective Jul 31, 2026 · Until Canceled
Liability insurance: $1,000,000 · Ohio Security Ins Co
Expires Jul 14, 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 639 days left before it expires on Jul 31, 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 GROUNZE742MU or UBI 604857910. The status there is the official one.
Check that the name on your bid or contract matches Ground Zero Excavation LLC 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 Ohio Security Ins Co 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.

Other General Contractors in Castle Rock

Active general contractor registrations with a Castle Rock address in the same L&I file. Listing here is not an endorsement.

Adam'S Timber Service LLC · General · expires Jul 23, 2028
Advanced Waterproofing LLC · General · expires Aug 11, 2028
Ashby Home Services · General · expires Jun 26, 2028
Baker Boys Construction Inc · General · expires Jul 26, 2028
Bauska & Sons LLC · General · expires Apr 7, 2027
Blythe'S Remodel & Flooring · General · expires Jun 25, 2027
Bunch Of Stuff Constructin LLC · General · expires Mar 23, 2028
Color Seal Nw LLC · General · expires Sep 23, 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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