General contractor · Mount Vernon, WA

Carlson Construction Inc

Active Washington registration CARLSCI948L3 · per L&I records

LicensedNo Bond on FileInsured

Is Carlson Construction Inc Licensed?

Washington L&I records list Carlson Construction Inc with registration number CARLSCI948L3 and status ACTIVE, valid until Jun 23, 2028. The business address on file is in Mount Vernon, WA 98273.

License Details

License #: CARLSCI948L3
Status: ACTIVE
License type: Construction Contractor
Specialty: General
First effective: Jun 23, 2006
Expires: Jun 23, 2028
Business type: Corporation
UBI (state business ID): 601879220
City: Mount Vernon, WA 98273

Bond and Insurance on File

Surety bond: No current bond listed in the L&I bond file
Liability insurance: $1,000,000 · ATLANTIC SPECIALTY INSURANCE C
Expires Dec 31, 2026

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 601 days left before it expires on Jun 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 no current 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 CARLSCI948L3 or UBI 601879220. The status there is the official one.
Check that the name on your bid or contract matches Carlson Construction Inc exactly (a corporation).
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 ATLANTIC SPECIALTY INSURANCE C 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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