General contractor · Seattle, WA

Mt Squared Construction LLC

Active Washington registration MTSQUSC783M6 · per L&I records

LicensedBondedInsured

Is Mt Squared Construction LLC Licensed?

Washington L&I records list Mt Squared Construction LLC with registration number MTSQUSC783M6 and status ACTIVE, valid until Aug 14, 2028. The business address on file is in Seattle, WA 98133.

License Details

License #: MTSQUSC783M6
Status: ACTIVE
License type: Construction Contractor
Specialty: General
First effective: Jul 28, 2022
Expires: Aug 14, 2028
Business type: Limited Liability Company
UBI (state business ID): 604946886
City: Seattle, WA 98133

Bond and Insurance on File

Surety bond: $30,000 · MERCHANTS NATIONAL BONDING INC
Effective Jul 10, 2025 · Until Canceled
Liability insurance: $1,000,000 · Contractors Bonding & Insuranc
Expires Nov 21, 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 653 days left before it expires on Aug 14, 2028. Check that date against your project timeline.

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

How This Record Compares in Seattle

Mt Squared Construction LLC has held registration MTSQUSC783M6 for 4.3 years. The median for the 2,643 active general contractors with a Seattle address is 6.2 years, and 928 of them have held their registration for 10 years or more, so this registration is newer than most in Seattle. 383 of them registered in the last 12 months.

99% of these Seattle 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 28, 2022: Current registration MTSQUSC783M6 took effect.
Jul 10, 2025: $30,000 surety bond with MERCHANTS NATIONAL BONDING INC took effect.
Oct 30, 2026: Our copy of the L&I record was taken.
Nov 21, 2026: Contractors Bonding & Insuranc liability policy on file expires.
Aug 14, 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 MTSQUSC783M6 or UBI 604946886. The status there is the official one.
Check that the name on your bid or contract matches Mt Squared Construction 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 Contractors Bonding & Insuranc 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.