General contractor · Olympia, WA

Winkelman Site Work LLC

Active Washington registration WINKESW812RE · per L&I records

LicensedBondedInsured

Is Winkelman Site Work LLC Licensed?

Washington L&I records list Winkelman Site Work LLC with registration number WINKESW812RE and status ACTIVE, valid until Feb 13, 2028. The business address on file is in Olympia, WA 98502.

License Details

License #: WINKESW812RE
Status: ACTIVE
License type: Construction Contractor
Specialty: General
First effective: Dec 5, 2019
Expires: Feb 13, 2028
Business type: Limited Liability Company
UBI (state business ID): 604485570
City: Olympia, WA 98502

Bond and Insurance on File

Surety bond: $30,000 · Nationwide Mutual Ins Co
Effective May 7, 2026 · Until Canceled
Liability insurance: $1,000,000 · Ohio Cas Ins Co
Expires Dec 4, 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 470 days left before it expires on Feb 13, 2028. Check that date against your project timeline.

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

How This Record Compares in Olympia

Winkelman Site Work LLC has held registration WINKESW812RE for 6.9 years. The median for the 755 active general contractors with an Olympia address is 6.8 years, and 279 of them have held their registration for 10 years or more, so this registration is at or above the local median. 101 of them registered in the last 12 months.

100% of these Olympia 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

Dec 5, 2019: Current registration WINKESW812RE took effect.
May 7, 2026: $30,000 surety bond with Nationwide Mutual Ins Co took effect.
Oct 30, 2026: Our copy of the L&I record was taken.
Dec 4, 2026: Ohio Cas Ins Co liability policy on file expires.
Feb 13, 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 WINKESW812RE or UBI 604485570. The status there is the official one.
Check that the name on your bid or contract matches Winkelman Site Work 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 Ohio Cas 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.

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