The details on WM Winkler Company
- WA L&I registration
- WMWINC*935LA
- Registration checked
- September 7, 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
- Registered principal
- WINKLER, BRIAN JOSEPH · since 2007
- Registered principal
- CHRISTLER, STERLING JARRETT · since 2011
- Registered principal
- WINKLER, CHRISTOPHER JOHN · since 2011
- Service area
- Newman Lake
- Phone
- (509) 489-6100
- Website
- wmwinkler.com
Something here wrong or out of date? The business can claim this listing and correct it.
Questions worth asking WM Winkler Company
Does WM Winkler Company hold a Washington contractor registration?
The number you want is WMWINC*935LA — WM Winkler Company's Washington State L&I contractor registration, expiring March 2027. Last checked September 7, 2026. Washington's contractor lookup is free and open if you want to confirm it today. 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.
Where does WM Winkler Company work?
They list Newman Lake. Confirm your address is inside that when you ring — coverage moves around, especially in winter.
How does a business get listed on this site?
Licensed, and working in Newman Lake. That is the bar for a page on this site, and WM Winkler Company clears it. That registration is checked against Washington's record, and the date of the check is on this page for you to weigh. 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.