The details on WM Winkler Company
- WA L&I registration
- WMWINC*935LA
- Registration checked
- July 27, 2026
- Registered since
- 2007
- Expires
- March 2027
- Contractor bond
- $30,000 · Travelers Cas and Surety Co of America
- Liability insurance
- $1,000,000 · Zurich American Ins Co
- Insurance through
- April 2027
- Primary trade
- General Contractor
- L&I specialty
- GENERAL
- Service area
- Newman Lake
- Phone
- (509) 489-6100
- Website
- wmwinkler.com
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Questions worth asking WM Winkler Company
Is WM Winkler Company licensed in Washington?
WM Winkler Company holds Washington State (L&I) contractor registration WMWINC*935LA, expiring March 2027. We verified it against the state record on July 27, 2026, and you can check the same number on Washington's contractor lookup in about a minute. L&I also lists a $30,000 contractor bond (Travelers Cas and Surety Co of America) and $1,000,000 of liability insurance with Zurich American Ins Co through April 2027. Ask for proof of bond and current insurance before work starts.
What areas does WM Winkler Company serve?
Newman Lake. Service areas change, so confirm they cover your address when you call.
How did WM Winkler Company end up on this page?
WM Winkler Company is licensed and working in the Spokane area — that's the whole bar for a page here. We check that registration against the state's own record and date the check on this page, so you can see for yourself how current it is. WM Winkler Company rates 4.3 out of 5 on Google across 32 reviews, and this page links straight to those reviews so you can read them for yourself.