General contractor · Seattle, WA

Tank Wise LLC

Active Washington registration TANKWL*008DG · per L&I records

LicensedBondedInsured

Is Tank Wise LLC Licensed?

Washington L&I records list Tank Wise LLC with registration number TANKWL*008DG and status ACTIVE, valid until Sep 16, 2028. The business address on file is in Seattle, WA 98106.

License Details

License #: TANKWL*008DG
Status: ACTIVE
License type: Construction Contractor
Specialty: General
First effective: Mar 7, 2000
Expires: Sep 16, 2028
Business type: Limited Liability Company
UBI (state business ID): 602010680
City: Seattle, WA 98106

Bond and Insurance on File

Surety bond: $30,000 · Lexon Ins Co
Effective Sep 16, 2024 · Until Canceled
Liability insurance: $1,000,000 · Admiral Insurance Co
Expires Sep 1, 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 686 days left before it expires on Sep 16, 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

Tank Wise LLC has held registration TANKWL*008DG for 26.6 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 among the longer-held ones. 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

Mar 7, 2000: Current registration TANKWL*008DG took effect.
Sep 16, 2024: $30,000 surety bond with Lexon Ins Co took effect.
Oct 30, 2026: Our copy of the L&I record was taken.
Sep 1, 2027: Admiral Insurance Co liability policy on file expires.
Sep 16, 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 TANKWL*008DG or UBI 602010680. The status there is the official one.
Check that the name on your bid or contract matches Tank Wise 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 Admiral Insurance 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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