Verified licenseActive

Tanko Bros Inc

Sonora, CA · Tuolumne County · Well drilling and pump installation

  • Pump Installation
  • Pump Repair
  • Well Abandonment
  • Well Drilling
  • Well Repair
Call (209) 532-7797Website

License record

Verified against state records
License number
395633
License type
Well drilling and pump installation
Status
Active
Expires
November 30, 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 395633, corporation, first issued 1980, current through 2026-11-30). The C-57 classification covers drilling, casing, cleaning, repairing and destroying water wells and installing and repairing well pumps. Filed 127 well completion reports with the Department of Water Resources since 2016 (119 new wells, 118 of them domestic supply; 1 well destructions), most recently in May 2022, mostly in Tuolumne, Mariposa and Calaveras counties.

Service area

  • Tuolumne County
  • Mariposa County
  • Calaveras County
  • Merced County

Other licensed contractors near Sonora