California Well Data field records · 2026 survey

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Best well drillers in Calaveras County, California

Not a pay-to-play list: these are the 82 drilling companies with wells on record in Calaveras County, ranked by wells actually drilled here — 7,510 logged wells in the California Department of Water Resources (DWR) Well Completion Reports database (records as of 2026-08-14). Every number links back to the public record.

82companies on record
30active since 2022
7,510wells in county record
#CompanyIn Calaveras Co. since 2016All-time in countyStatewide
1 Canepa And Sons Inc. 231 832 3,173
2 Tanko Well Drilling 196 2,693 3,311
3 Briski Well Drilling Co. 42 1,211 2,747
4 Miles Mark Well Drilling 41 72 73
5 Joey's Well Drilling & Construction 35 36 46
6 R & M Water Well Drilling & Pumps Inc. 23 23 91
7 Tanko Bros Inc. 13 219 2,617
8 Points West Drilling 10 31 78
9 All Well Abandonment 7 7 607
10 Hunt Drilling Company Inc. 4 102 1,213
11 Fredrick Mark Pump & Supply Co. 4 29 295
12 Gregg Drilling LLC 4 4 558
13 Masellis Drilling Inc. 3 6 6,081
14 Waters Backhoe & Dozer Service 3 4 110
15 Vics Well Drilling Inc. 3 3 337
16 R & M Drilling 3 3 25
17 H & B Drilling And Sons LLC 2 2 414
18 A & A Gross Drilling 1 54 816
19 D & D Drilling Inc. Dba Valley Drilling Co. 1 2 1,282
20 Gregory Drilling Incorporated 1 1 143
21 Goodell Well & Pump Service 1 1 342
22 Martell Water Systems Inc. 1 1 1,094
23 Top Hat Well Drilling 1 1 31
24 Baldwin & Son Well Drilling 773 901
25 Mel Meyer 414 101,127
26 Baldwin & Son Well Drillers 226 319
27 Dunn Jack Inc. 199 1,424
28 Points West Inc. 123 165
29 Tom Hunt Drilling Co. 59 418
30 Cobb Well Drilling 43 43
31 Delap & Sons 34 37
32 Bootjack Drilling Inc. 25 649
33 Taylor & Taber Drillers 24 139
34 Harris A J Co. 22 239
35 Jack Carrell Drilling Inc. 20 123
36 Gregg Drilling & Testing Inc. 17 4,828
37 Foothill Drilling 15 26
38 Signal Drilling Company 14 8,301
39 Goehring Well Drilling 14 66
40 Harris A J Inc. A California Corporation 13 416
41 Mcgann Drilling 13 254
42 Hunt Tom Drilling & Construction Co. 11 112
43 Jack J Dunn 11 54
44 Carrell & Canepa Drilling 10 79
45 ED Fields Water Well Drilling 9 234
46 B R Purviance 9 86
47 Gary C Tanko Well Drilling Inc. 8 12,022
48 Purviance Drillers Inc. 7 663
49 Norton Drilling 5 596
50 Thayer Well Drilling 5 125
51 Stump Drilling Corp 4 84
52 Hennings Bros Drilling Co. Inc. 3 6,823
53 C. Cruse Drilling 3 301
54 Fisch Brothers Drilling, Inc. 2 6,393
55 Calwater Drilling Company Inc. 2 5,421
56 Myers Brothers Well Drilling Inc. 2 2,865
57 Panero Well Drilling Inc. 2 921
58 Myers Brothers Inc. 2 796
59 V & W Drilling 2 310
60 Forster Pump & Engineering Inc. 2 197
61 Castle Construction & Well Drilling Inc. 2 142
62 Valley Home Drilling Co. 2 67
63 Quentin Y Thayer 2 26
64 Canada Bros 2 25
65 American Construction And Supply Inc. 1 1,685
66 Johnson Drilling Co. 1 11,865
67 Martin Pump & Supply Inc. 1 2,524
68 Guardino Pump & Well 1 482
69 W D C Exploration & Wells 1 2,421
70 R & B Drilling 1 761
71 Woods Well Drilling 1 755
72 H-F Drilling, Inc. 1 618
73 Bartley Pump Inc. 1 596
74 Osterberg And Carroll 1 561
75 Ken Gross Pump Service 1 507
76 Scott Xxx PC Exploration Inc. 1 154
77 V J Mcgrew 1 147
78 Xxx 1 113
79 Jeffrey David Harra 1 109
80 Jeffrey L Gross 1 103
81 V F Bassett 1 101
82 Radulovich Well Drilling 1 67

Ranked by wells drilled in Calaveras County since 2016 (then all-time), from the full DWR record. A ★ marks a featured sponsor — sponsors must appear in the county record to be listed, and the ranking below them is never reordered.

Who drills the most wells in Calaveras County?

Canepa And Sons Inc. has drilled the most Calaveras County wells in the recent record — 231 since 2016, 832 in the county all-time.

How many well drilling companies work in Calaveras County?

82 companies in the DWR record have drilled wells in Calaveras County; 30 of them have drilled somewhere in California since 2022. Smaller operators below the record threshold may also serve the area.

How deep is a typical well in Calaveras County?

The median drilled depth in Calaveras County is 300 ft, based on 8,579 recorded wells. Depths, water levels, and yields are on the Calaveras County wells page.

Well depths, static water levels, tested yields, and drilling cost estimates for this county live on the Calaveras County wells page.

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