Custom Mechanical Services

Is Custom Mechanical Services Licensed?

Washington L&I records list Custom Mechanical Services with registration number CUSTOMS943CC and status ACTIVE, valid until Feb 2, 2028. The business address on file is in Ridgefield, WA 98642.

License Details

License #

CUSTOMS943CC

Status

ACTIVE

License type

Construction Contractor

Specialty

General

First effective

Feb 2, 2006

Expires

Feb 2, 2028

Business type

Limited Liability Company

UBI (state business ID)

602574752

City

Ridgefield, WA 98642

Bond and Insurance on File

Surety bond

$30,000 · Western Surety Co
Effective Jan 28, 2026 · Until Canceled

Liability insurance

$2,000,000 · Mid-Century Ins Co
Expires Nov 29, 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 459 days left before it expires on Feb 2, 2028. Check that date against your project timeline.

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

How This Record Compares in Ridgefield

Custom Mechanical Services has held registration CUSTOMS943CC for 20.7 years. The median for the 182 active general contractors with a Ridgefield address is 5.8 years, and 53 of them have held their registration for 10 years or more, so this registration is among the longer-held ones. 30 of them registered in the last 12 months.

100% of these Ridgefield records have a surety bond on file and 99% have liability insurance on file. The median insurance amount on file is $1,000,000; this business lists $2,000,000, which is above that median. Insurance amounts are what the insurer reported to L&I; they are not a rating of the business.

Record Timeline

• Feb 2, 2006: Current registration CUSTOMS943CC took effect.
• Jan 28, 2026: $30,000 surety bond with Western Surety Co took effect.
• Oct 30, 2026: Our copy of the L&I record was taken.
• Nov 29, 2027: Mid-Century Ins Co liability policy on file expires.
• Feb 2, 2028: Registration expires unless renewed.

Other L&I Registrations Under UBI 602574752

The L&I file lists 1 other contractor registration under the same state business ID (UBI). Older numbers usually reflect renewals under a new number, name changes or a change of business structure.

• CUSTOMS941CG · Custom Mechanical Srvc Nw LLC · ACTIVE · effective Feb 7, 2006, expires Feb 7, 2028

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

1. Use the Confirm on L&I Verify button and search registration CUSTOMS943CC or UBI 602574752. The status there is the official one.
2. Check that the name on your bid or contract matches Custom Mechanical Services 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 Mid-Century 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.

Other General Contractors in Ridgefield

Active general contractor registrations with a Ridgefield address in the same L&I file. Listing here is not an endorsement.

• Abraham Construction Ent LLC · General · expires Jan 28, 2028
• Adc 1 LLC · General · expires Mar 11, 2028
• Advanced HVAC & Rfrg LLC · General · expires Jul 28, 2027
• Ak Quality Tile & Stone LLC · General · expires Jan 22, 2027
• All Around Maintenance Inc · General · expires May 2, 2028
• All Around Mechanical LLC · General · expires Jan 20, 2028
• Alliance Industrial Group Inc · General · expires Jan 17, 2028
• Altman Tile & Restoration LLC · General · expires Jun 10, 2027

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