General contractor · Mercer Island, WA

Jaymarc Diamond LLC

Active Washington registration JAYMADL777OR · per L&I records

LicensedBondedInsured

Is Jaymarc Diamond LLC Licensed?

Washington L&I records list Jaymarc Diamond LLC with registration number JAYMADL777OR and status ACTIVE, valid until Oct 19, 2027. The business address on file is in Mercer Island, WA 98040.

License Details

License #: JAYMADL777OR
Status: ACTIVE
License type: Construction Contractor
Specialty: General
First effective: Oct 19, 2023
Expires: Oct 19, 2027
Business type: Limited Liability Company
UBI (state business ID): 605242806
City: Mercer Island, WA 98040

Bond and Insurance on File

Surety bond: $30,000 · Lexon Ins Co
Effective Oct 19, 2025 · Until Canceled
Liability insurance: $1,000,000 · Navigators Specialty Insurance
Expires Jun 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 353 days left before it expires on Oct 19, 2027. Check that date against your project timeline.

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 JAYMADL777OR or UBI 605242806. The status there is the official one.
Check that the name on your bid or contract matches Jaymarc Diamond 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 Navigators Specialty Insurance 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.

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.

206 Builders LLC · General · expires Aug 10, 2028
Ajs Renovation And Const · General · expires Jan 9, 2028
All World Builders LLC · General · expires Apr 2, 2028
Anderson Construction Svcs LLC · General · expires Sep 12, 2028
Ashton Investments LLC · General · expires Mar 15, 2028
Aspen Homes Nw · General · expires Jul 19, 2027
Aspen Quality Homes LLC · General · expires Oct 10, 2027
Baklinski Home Improvement · General · expires Mar 11, 2028

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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