General contractor · Arlington, WA

Thuline Timber Co

Active Washington registration THULITC745OZ · per L&I records

LicensedBondedInsured

Is Thuline Timber Co Licensed?

Washington L&I records list Thuline Timber Co with registration number THULITC745OZ and status ACTIVE, valid until Sep 9, 2028. The business address on file is in Arlington, WA 98223.

License Details

License #: THULITC745OZ
Status: ACTIVE
License type: Construction Contractor
Specialty: General
First effective: Sep 9, 2026
Expires: Sep 9, 2028
Business type: Corporation
UBI (state business ID): 604550149
City: Arlington, WA 98223

Bond and Insurance on File

Surety bond: $30,000 · Western Surety Co
Effective Sep 1, 2026 · Until Canceled
Liability insurance: $1,000,000 · American Forest Casualty Co RR
Expires Jun 19, 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 679 days left before it expires on Sep 9, 2028. Check that date against your project timeline.

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

How This Record Compares in Arlington

Thuline Timber Co has held registration THULITC745OZ for less than a year. The median for the 349 active general contractors with an Arlington address is 6.1 years, and 114 of them have held their registration for 10 years or more, so this registration is newer than most in Arlington. 55 of them registered in the last 12 months.

98% of these Arlington 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

Sep 1, 2026: $30,000 surety bond with Western Surety Co took effect.
Sep 9, 2026: Current registration THULITC745OZ took effect.
Oct 30, 2026: Our copy of the L&I record was taken.
Jun 19, 2027: American Forest Casualty Co RR liability policy on file expires.
Sep 9, 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

Use the Confirm on L&I Verify button and search registration THULITC745OZ or UBI 604550149. The status there is the official one.
Check that the name on your bid or contract matches Thuline Timber Co 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 American Forest Casualty Co RR 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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