Northwest Aire Services Inc

Is Northwest Aire Services Inc Licensed?

Washington L&I records list Northwest Aire Services Inc with registration number NORTHAS963K4 and status ACTIVE, valid until May 24, 2028. The business address on file is in Seattle, WA 98166.

License Details

License #

NORTHAS963K4

Status

ACTIVE

License type

Construction Contractor

Specialty

General

First effective

May 24, 2004

Expires

May 24, 2028

Business type

Corporation

UBI (state business ID)

602387574

City

Seattle, WA 98166

Bond and Insurance on File

Surety bond

$30,000 · Western Surety Co
Effective May 24, 2026 · Until Canceled

Liability insurance

$1,000,000 · Hartford Underwriters Ins Co
Expires May 11, 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 570 days left before it expires on May 24, 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

Northwest Aire Services Inc has held registration NORTHAS963K4 for 22.4 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

• May 24, 2004: Current registration NORTHAS963K4 took effect.
• May 24, 2026: $30,000 surety bond with Western Surety Co took effect.
• Oct 30, 2026: Our copy of the L&I record was taken.
• May 11, 2027: Hartford Underwriters Ins Co liability policy on file expires.
• May 24, 2028: Registration expires unless renewed.

Other L&I Registrations Under UBI 602387574

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.

• NORTHAS96324 · Northwest Aire Services Inc · EXPIRED · effective May 24, 2004, expires May 24, 2022

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 NORTHAS963K4 or UBI 602387574. The status there is the official one.
2. Check that the name on your bid or contract matches Northwest Aire Services Inc exactly (a corporation).
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 Hartford Underwriters 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.

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