General contractor · Tacoma, WA

Boulton Insulation Co Inc

Active Washington registration BOULTI*304B6 · per L&I records

LicensedBondedInsured

Is Boulton Insulation Co Inc Licensed?

Washington L&I records list Boulton Insulation Co Inc with registration number BOULTI*304B6 and status ACTIVE, valid until Jul 15, 2027. The business address on file is in Tacoma, WA 98421.

License Details

License #: BOULTI*304B6
Status: ACTIVE
License type: Construction Contractor
Specialty: General
First effective: Jan 6, 1970
Expires: Jul 15, 2027
Business type: Corporation
UBI (state business ID): 600005836
City: Tacoma, WA 98421

Bond and Insurance on File

Surety bond: $30,000 · Contractors Bonding & Insurance Co
Effective Jul 15, 2025 · Until Canceled
Liability insurance: $1,000,000 · Cincinnati Ins Co
Expires Jun 25, 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 257 days left before it expires on Jul 15, 2027. 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 BOULTI*304B6 or UBI 600005836. The status there is the official one.
Check that the name on your bid or contract matches Boulton Insulation Co 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 Cincinnati 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.

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.

Is This Your Business?

Claim this free listing to add a description, photos and a website link, or join the featured waitlist.

Claim Your Listing or Get Featured on Verified Licensed

Something wrong or want this profile removed? Use the correction or removal request form.