General contractor · Arlington, WA

Brothers Insulation LLC

Active Washington registration BROTHIL755QP · per L&I records

LicensedBondedInsured

Is Brothers Insulation LLC Licensed?

Washington L&I records list Brothers Insulation LLC with registration number BROTHIL755QP and status ACTIVE, valid until Nov 17, 2027. The business address on file is in Arlington, WA 98223.

License Details

License #: BROTHIL755QP
Status: ACTIVE
License type: Construction Contractor
Specialty: General
First effective: Nov 17, 2025
Expires: Nov 17, 2027
Business type: Limited Liability Company
UBI (state business ID): 605967354
City: Arlington, WA 98223

Bond and Insurance on File

Surety bond: $30,000 · Nationwide Mutual Ins Co
Effective Nov 13, 2025 · Until Canceled
Liability insurance: $1,000,000 · Houston Casualty Co
Expires Nov 14, 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 382 days left before it expires on Nov 17, 2027. Check that date against your project timeline.

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

How This Record Compares in Arlington

Brothers Insulation LLC has held registration BROTHIL755QP 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

Nov 13, 2025: $30,000 surety bond with Nationwide Mutual Ins Co took effect.
Nov 17, 2025: Current registration BROTHIL755QP took effect.
Oct 30, 2026: Our copy of the L&I record was taken.
Nov 14, 2026: Houston Casualty Co liability policy on file expires.
Nov 17, 2027: 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 BROTHIL755QP or UBI 605967354. The status there is the official one.
Check that the name on your bid or contract matches Brothers Insulation 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 Houston Casualty 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.

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