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

General contractor · Mercer Island, WA

Nw Seattle Builders LLC

Active  Washington registration NWSEASB781KL · per L&I records

LicensedBondedInsured

Is Nw Seattle Builders LLC Licensed?

Washington L&I records list Nw Seattle Builders LLC with registration number NWSEASB781KL and status ACTIVE, valid until Jun 7, 2028. The business address on file is in Mercer Island, WA 98040.

License Details

License #
NWSEASB781KL
Status
ACTIVE
License type
Construction Contractor
Specialty
General
First effective
May 25, 2022
Expires
Jun 7, 2028
Business type
Limited Liability Company
UBI (state business ID)
604825125
City
Mercer Island, WA 98040

Bond and Insurance on File

Surety bond
$30,000 · RLI Ins Co
Effective May 1, 2026 · Until Canceled
Liability insurance
$1,000,000 · Navigators Specialty Insurance
Expires Jul 15, 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 585 days left before it expires on Jun 7, 2028. Check that date against your project timeline.

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

Checks for General Contractors

How to Verify This Contractor

  1. Use the Confirm on L&I Verify button and search registration NWSEASB781KL or UBI 604825125. The status there is the official one.
  2. Check that the name on your bid or contract matches Nw Seattle Builders LLC exactly (a limited liability company).
  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 Navigators Specialty Insurance 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 Mercer Island

Active general contractor registrations with a Mercer Island 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.

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