Washington L&I Data · Updated Oct 30, 2026Free and Independent · Not a Government Site

General contractor · Lynden, WA

Tremkoe

Active  Washington registration TREMK**773CZ · per L&I records

LicensedBondedInsured

Is Tremkoe Licensed?

Washington L&I records list Tremkoe with registration number TREMK**773CZ and status ACTIVE, valid until Feb 9, 2027. The business address on file is in Lynden, WA 98264.

License Details

License #
TREMK**773CZ
Status
ACTIVE
License type
Construction Contractor
Specialty
General
First effective
Feb 9, 2023
Expires
Feb 9, 2027
Business type
Individual
UBI (state business ID)
602843320
City
Lynden, WA 98264

Bond and Insurance on File

Surety bond
$30,000 · Nationwide Mutual Ins Co
Effective Jan 20, 2026 · Until Canceled
Liability insurance
$1,000,000 · United Financial Casualty Comp
Expires Jan 28, 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 101 days left before it expires on Feb 9, 2027. If your project runs past that date, ask whether the business has renewed.

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

How This Record Compares in Lynden

Tremkoe has held registration TREMK**773CZ for 3.7 years. The median for the 263 active general contractors with a Lynden address is 6.7 years, and 101 of them have held their registration for 10 years or more, so this registration is newer than most in Lynden. 26 of them registered in the last 12 months.

99% of these Lynden 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

  • Feb 9, 2023: Current registration TREMK**773CZ took effect.
  • Jan 20, 2026: $30,000 surety bond with Nationwide Mutual Ins Co took effect.
  • Oct 30, 2026: Our copy of the L&I record was taken.
  • Jan 28, 2027: United Financial Casualty Comp liability policy on file expires.
  • Feb 9, 2027: Registration expires unless renewed.

Other L&I Registrations Under UBI 602843320

The L&I file lists 1 other contractor registration under the same state business ID (UBI). Older numbers usually reflect renewals under a new number, name changes or a change of business structure.

  • TREMKH*886LH · Tremkoe HVAC · RE-LICENSED · effective Jun 8, 2012, expires Jun 8, 2020

Checks for General Contractors

How to Verify This Contractor

  1. Use the Confirm on L&I Verify button and search registration TREMK**773CZ or UBI 602843320. The status there is the official one.
  2. Check that the name on your bid or contract matches Tremkoe exactly (a individual).
  3. On L&I Verify, look for bond claims, lawsuits and any newer registration.
  4. Ask for a certificate of insurance sent directly by the insurer, and compare it with the United Financial Casualty Comp policy on file.

A full walkthrough is in How to Check a Contractor License in Washington.

Record data as of , from the Washington L&I contractor file.

Other General Contractors in Lynden

Active general contractor registrations with a Lynden address in the same L&I file. Listing here is not an endorsement.

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.