General contractor · Seattle, WA

Seattle Tank/Tacoma Tank Svcs

Active · expires in 27 days Washington registration SEATTTT012Q4 · per L&I records

LicensedBondedInsured

Is Seattle Tank/Tacoma Tank Svcs Licensed?

Washington L&I records list Seattle Tank/Tacoma Tank Svcs with registration number SEATTTT012Q4 and status ACTIVE, valid until Nov 27, 2026. The business address on file is in Seattle, WA 98103.

License Details

License #: SEATTTT012Q4
Status: ACTIVE
License type: Construction Contractor
Specialty: General
First effective: Nov 24, 1999
Expires: Nov 27, 2026
Business type: Limited Liability Company
UBI (state business ID): 603151140
City: Seattle, WA 98103

Bond and Insurance on File

Surety bond: $30,000 · Ohio Cas Ins Co
Effective Nov 27, 2024 · Until Canceled
Liability insurance: $2,000,000 · Westchester Surp Lines Ins Co
Expires Feb 10, 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 27 days left before it expires on Nov 27, 2026. If your project runs past that date, ask whether the business has renewed.

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 SEATTTT012Q4 or UBI 603151140. The status there is the official one.
Check that the name on your bid or contract matches Seattle Tank/Tacoma Tank Svcs 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 Westchester Surp Lines 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.