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Our Story
Welton Underground was founded on one simple value; Integrity. With over 30 years in the underground industry, WU has the knowledge and experience to get the job done in an efficient and safe manner while keeping a focus on prompt delivery of utility services to the site. Our goal is to service customers with quality work, good communication and build solid relationships that will bring value to the General Contractors and utility owners we work with. We specialize in all underground utilities including storm drains, sewer, water lines, fire water, communication, electric and gas. Give us a call to bid your next project, you will be happy you did.
Welton Underground has been listed in the Blue Book since 2019.
Commercial Experience
Regions & Counties Serviced
- San Francisco, Oakland, San Jose
California 22
- Alameda
- Alpine
- Butte
- Colusa
- Contra Costa
- El Dorado
- Humboldt
- Lake
- Lassen
- Marin
- Mendocino
- Napa
- Placer
- Sacramento
- San Luis Obispo
- Santa Cruz
- Shasta
- Solano
- Sonoma
- Tehama
- Yolo
- Yuba