General contractor · Lopez Island, WA
Welker Construction LLC
WA L&I licence no. WELKECL962PJ·UBI 602356947
ActiveActive — expires 11 March 2027.
Washington State Department of Labor & Industries · snapshot from July 2026
Licence status and dates
- First licensed
- 8 October 2004
- Current term expires
- 11 March 2027
Registration details
- Licence number
- WELKECL962PJ
- Issuing agency
- Washington State Department of Labor & Industries
- UBI
- 602356947
- Business structure
- Limited Liability Company
- Principal on file
- Welker, David Thomas
- Location
- Lopez Island, Washington 98261
- Phone on file
- (360) 622-7017
Trade classification
- Primary classification
- General
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