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

General contractor · Shoreline, WA

Pro Stone Construction LLC

Active  Washington registration PROSTSC748LQ · per L&I records

LicensedBondedInsured

Is Pro Stone Construction LLC Licensed?

Washington L&I records list Pro Stone Construction LLC with registration number PROSTSC748LQ and status ACTIVE, valid until Jun 29, 2028. The business address on file is in Shoreline, WA 98155.

License Details

License #
PROSTSC748LQ
Status
ACTIVE
License type
Construction Contractor
Specialty
General
First effective
Jun 29, 2026
Expires
Jun 29, 2028
Business type
Limited Liability Company
UBI (state business ID)
606243047
City
Shoreline, WA 98155

Bond and Insurance on File

Surety bond
$30,000 · Nationwide Mutual Ins Co
Effective Jun 16, 2026 · Until Canceled
Liability insurance
$1,000,000 · United Financial Casualty Comp
Expires Jun 16, 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 607 days left before it expires on Jun 29, 2028. Check that date against your project timeline.

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

How This Record Compares in Shoreline

Pro Stone Construction LLC has held registration PROSTSC748LQ for less than a year. The median for the 212 active general contractors with a Shoreline address is 4.7 years, and 60 of them have held their registration for 10 years or more, so this registration is newer than most in Shoreline. 36 of them registered in the last 12 months.

100% of these Shoreline 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

  • Jun 16, 2026: $30,000 surety bond with Nationwide Mutual Ins Co took effect.
  • Jun 29, 2026: Current registration PROSTSC748LQ took effect.
  • Oct 30, 2026: Our copy of the L&I record was taken.
  • Jun 16, 2027: United Financial Casualty Comp liability policy on file expires.
  • Jun 29, 2028: Registration expires unless renewed.

Checks for General Contractors

How to Verify This Contractor

  1. Use the Confirm on L&I Verify button and search registration PROSTSC748LQ or UBI 606243047. The status there is the official one.
  2. Check that the name on your bid or contract matches Pro Stone Construction 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 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 Shoreline

Active general contractor registrations with a Shoreline 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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