California contractor license
WELTON ENGINEERING & CONSTRUCTION
- C34 Pipeline
WELTON ENGINEERING & CONSTRUCTION is a C34 Pipeline contractor in Oakland, Alameda County, licensed in California for 7 years (since 2018). As of Jun 11, 2026, the license is active with an expiration date of Nov 30, 2026 on record and a license bond is on file.
WELTON ENGINEERING & CONSTRUCTIONC34 Pipeline · checked Jun 11, 2026
ActiveLicense number#1047016
Licensed sinceNov 19, 2018
Years licensed7 years
Expiration on recordNov 30, 2026
City and countyOakland, Alameda County
License bondOn file
ProjectsNone on file
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Source: California Contractors State License Board (CSLB) and City of Los Angeles permit records. Last updated Jun 11, 2026.