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

Electrical contractor · Seattle, WA

Pro-Staff Mechanical Inc

Active  Washington registration PROSTMI006C8 · per L&I records

LicensedBondedInsurance: Electrical Program

Is Pro-Staff Mechanical Inc Licensed?

Washington L&I records list Pro-Staff Mechanical Inc with registration number PROSTMI006C8 and status ACTIVE, valid until Mar 30, 2028. The business address on file is in Seattle, WA 98133.

License Details

License #
PROSTMI006C8
Status
ACTIVE
License type
Electrical Contractor
Specialty
Hvac/Rfrg
First effective
Feb 28, 2000
Expires
Mar 30, 2028
Business type
Corporation
UBI (state business ID)
601038859
City
Seattle, WA 98133

Bond and Insurance on File

Surety bond
$4,000 · Ohio Cas Ins Co
Effective Aug 26, 2019 · Until Canceled
Liability insurance
Electrical contractors file under the separate L&I electrical program; no record in the contractor insurance 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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