General contractor · Seattle, WA

Constantine Builders Inc

Active Washington registration CONSTBI982J5 · per L&I records

LicensedBondedInsured

Is Constantine Builders Inc Licensed?

Washington L&I records list Constantine Builders Inc with registration number CONSTBI982J5 and status ACTIVE, valid until Apr 25, 2028. The business address on file is in Seattle, WA 98155.

License Details

License #: CONSTBI982J5
Status: ACTIVE
License type: Construction Contractor
Specialty: General
First effective: Apr 25, 2002
Expires: Apr 25, 2028
Business type: Corporation
UBI (state business ID): 602188746
City: Seattle, WA 98155

Bond and Insurance on File

Surety bond: $30,000 · Travelers Casualty & Surety Co of America
Effective Apr 19, 2026 · Until Canceled
Liability insurance: $1,000,000 · American Guarantee & Liability
Expires May 1, 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 542 days left before it expires on Apr 25, 2028. Check that date against your project timeline.

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

How This Record Compares in Seattle

Constantine Builders Inc has held registration CONSTBI982J5 for 24.5 years. The median for the 2,643 active general contractors with a Seattle address is 6.2 years, and 928 of them have held their registration for 10 years or more, so this registration is among the longer-held ones. 383 of them registered in the last 12 months.

99% of these Seattle 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

Apr 25, 2002: Current registration CONSTBI982J5 took effect.
Apr 19, 2026: $30,000 surety bond with Travelers Casualty & Surety Co of America took effect.
Oct 30, 2026: Our copy of the L&I record was taken.
May 1, 2027: American Guarantee & Liability liability policy on file expires.
Apr 25, 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 CONSTBI982J5 or UBI 602188746. The status there is the official one.
Check that the name on your bid or contract matches Constantine Builders Inc exactly (a corporation).
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 American Guarantee & Liability 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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