Tanko Bros Inc.
90/100 ✓ CA Licensed C-57 Well Drilling Contractor on record #530534 ★ 5 (12 reviews) 2 licensed people Well Pump RepairPump InstallationWater Well Drilling
Verified Oct 2026 · Unclaimed listing
Well pump repair and water testing in Sonora, CA
4 licensed well businesses work within 30 miles of Sonora, 2 of them based in town. Every one holds a California water well or pump installer license.
4 licensed businesses within 30 miles
4 with a pump installer license
Licensed well pump pros near Sonora
Are you a well pump business near Sonora? One sponsor per county, clearly labelled. Sponsor this county
Canepa and Sons INC
90/100 ✓ CA Licensed C-57 Well Drilling Contractor on record #425749 ★ 5 (11 reviews) Well Pump RepairPump InstallationWater Well Drilling
Verified Oct 2026 · Unclaimed listing
Tanko Well Drilling
80/100 ✓ CA Licensed C-57 Well Drilling Contractor on record #423959 Well Pump RepairPump InstallationWater Well Drilling
Verified Oct 2026 · Unclaimed listing
Briski Well Drilling Co
80/100 ✓ CA Licensed C-57 Well Drilling Contractor on record #237647 ★ 4.1 (19 reviews) Well Pump RepairPump InstallationWater Well Drilling
Verified Oct 2026 · Unclaimed listing
On California's license list in Sonora
Everyone the state list places in Sonora, as published. Some are licensed people rather than companies.
| Town | Name on the list | License classes | License | Expires | Phone |
|---|---|---|---|---|---|
| Sonora | Canepa and Sons INC | C-57 Well Drilling Contractor | 425749 | Jul 2028 | (209) 532-1136 |
| Precision Pump Service INC | C-57 Well Drilling Contractor | 742031 | Oct 2027 | (209) 768-5535 | |
| Tanko Bros INC | C-57 Well Drilling Contractor | 395633 | Nov 2026 | (209) 532-7797 | |
| Tanko Dennis | C-57 Well Drilling Contractor | 530534 | Oct 2026 | (209) 532-7797 |
Test your well water every year
The EPA says to test a private well every year for bacteria and nitrates, and no agency does it for you. Tell us when your water was last tested in Sonora and we'll text you a month before the next test is due, with labs and state-listed well pros near you.
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Well questions in Sonora
Where are the licensed well businesses listed for Sonora based?
4 licensed well businesses are listed within 30 miles of Sonora. 2 are based in Sonora itself, 1 more within 15 miles and 1 further out, up to 25 miles away. The closest is Tanko Bros Inc., 2 miles from Sonora.
Who can repair a well pump in Sonora?
4 businesses within 30 miles of Sonora hold a pump installer license class on a state list. The Contractors State License Board (California) list, read October 10, 2026, places 4 entries in Sonora itself, shown in the table on this page.
How many of the well businesses near Sonora have Google reviews?
3 of the 4 listed for Sonora have 3 or more Google reviews. Briski Well Drilling Co has the most reviews, 19, with an average of 4.1 stars, as Google showed them at our last check.
Testing: well water test fees · what to test your well for
License list: Contractors State License Board (California), read October 10, 2026.
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