General contractor · Sunnyside, WA
Mountain States Hydro LLC
WA L&I licence no. MOUNTSH926P2·UBI 602828494
ActiveActive — expires 3 March 2027.
Also holds Oregon CCB licence OR-186135, matched on business name and phone number.
Washington State Department of Labor & Industries · snapshot from July 2026
Licence status and dates
- First licensed
- 12 January 2009
- Current term expires
- 3 March 2027
Registration details
- Licence number
- MOUNTSH926P2
- Issuing agency
- Washington State Department of Labor & Industries
- UBI
- 602828494
- Business structure
- Limited Liability Company
- Principal on file
- Stamschror, Henry W
- Location
- Sunnyside, Washington 98944
- Phone on file
- (509) 837-6822
Trade classification
- Primary classification
- General
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