Verified licenseActive

Doshier-Gregson Inc

American Canyon, CA · Napa County · Well drilling and pump installation

  • Pump Installation
  • Pump Repair
  • Well Abandonment
  • Well Drilling
  • Well Repair
Call (707) 226-9698Website

License record

Verified against state records
License number
258826
License type
Well drilling and pump installation
Status
Active
Expires
October 31, 2026
Last verified
September 29, 2026

Check this license yourself on the official California lookup.

Services on the state record

Holds an active California C-57 Well Drilling contractor license (CSLB license 258826, corporation, first issued 1969, current through 2026-10-31). The C-57 classification covers drilling, casing, cleaning, repairing and destroying water wells and installing and repairing well pumps. Also licensed as: D-21 machinery and pumps. Filed 1 well completion report with the Department of Water Resources since 2016 (1 new wells, 1 of them domestic supply), most recently in June 2021, mostly in Napa County.

Service area

  • Napa County

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