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

General contractor · Sumner, WA

Mahnke Construction

Active  Washington registration MAHNKC*842Q9 · per L&I records

LicensedBondedInsured

Is Mahnke Construction Licensed?

Washington L&I records list Mahnke Construction with registration number MAHNKC*842Q9 and status ACTIVE, valid until Jan 21, 2028. The business address on file is in Sumner, WA 98390.

License Details

License #
MAHNKC*842Q9
Status
ACTIVE
License type
Construction Contractor
Specialty
General
First effective
Nov 29, 2016
Expires
Jan 21, 2028
Business type
Individual
UBI (state business ID)
604048574
City
Sumner, WA 98390

Bond and Insurance on File

Surety bond
$30,000 · American Contractors Indem CO
Effective Sep 2, 2025 · Until Canceled
Liability insurance
$1,000,000 · Contractors Bonding & Insuranc
Expires Mar 10, 2027
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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