Mosbrucker Excavating, Inc

Is Mosbrucker Excavating, Inc Licensed?

Washington L&I records list Mosbrucker Excavating, Inc with registration number MOSBRI*235MW and status ACTIVE, valid until Sep 3, 2028. The business address on file is in Bothell, WA 98041.

License Details

License #

MOSBRI*235MW

Status

ACTIVE

License type

Construction Contractor

Specialty

General

First effective

Jul 16, 1977

Expires

Sep 3, 2028

Business type

Corporation

UBI (state business ID)

600189531

City

Bothell, WA 98041

Bond and Insurance on File

Surety bond

$30,000 · Nationwide Mutual Ins Co
Effective Sep 23, 2025 · Until Canceled

Liability insurance

$1,000,000 · West American Ins Co
Expires Aug 16, 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 673 days left before it expires on Sep 3, 2028. Check that date against your project timeline.

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

How This Record Compares in Bothell

Mosbrucker Excavating, Inc has held registration MOSBRI*235MW for 49.3 years. The median for the 579 active general contractors with a Bothell address is 4.4 years, and 145 of them have held their registration for 10 years or more, so this registration is among the longer-held ones. 104 of them registered in the last 12 months.

100% of these Bothell records have a surety bond on file and 100% have liability insurance on file. The median insurance amount on file is $1,000,000; this business lists $1,000,000, which is equal to that median. Insurance amounts are what the insurer reported to L&I; they are not a rating of the business.

Record Timeline

• Jul 16, 1977: Current registration MOSBRI*235MW took effect.
• Sep 23, 2025: $30,000 surety bond with Nationwide Mutual Ins Co took effect.
• Oct 30, 2026: Our copy of the L&I record was taken.
• Aug 16, 2027: West American Ins Co liability policy on file expires.
• Sep 3, 2028: Registration expires unless renewed.

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

1. Use the Confirm on L&I Verify button and search registration MOSBRI*235MW or UBI 600189531. The status there is the official one.
2. Check that the name on your bid or contract matches Mosbrucker Excavating, Inc exactly (a corporation).
3. On L&I Verify, look for bond claims, lawsuits and any newer registration.
4. Ask for a certificate of insurance sent directly by the insurer, and compare it with the West American 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.

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