Well Drillers in Santa Clara County, California

Santa Clara County, the heart of Silicon Valley, has well drilling activity concentrated in its southern rural areas around Morgan Hill, Gilroy, and the foothills. While most urban areas are served by the Santa Clara Valley Water District, agricultural and rural properties maintain private wells.

Licensed Contractors

11

Avg. Well Depth

~250 ft

County Seat

San Jose

Licensed C-57 Contractors in Santa Clara County

BLAINE TECH SERVICES INC

Active
SAN JOSE, CA 95112
(408) 573 0555
Expires: 2026-03-31
License #746684· Verified Active C-57Services your area
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CAPITOLA PUMP COMPANY INC

Active
CAPITOLA, CA 95010
(831) 475 5364
Expires: 2027-03-31
License #602890· Verified Active C-57Services your area
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CHAPPELL PUMP & SUPPLY

Active
GILROY, CA 95021
(408) 842 3113
Expires: 2026-06-30
License #647140· Verified Active C-57Services your area
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CLEAR HEART DRILLING INC

Active
SANTA ROSA, CA 95401
(707) 568 6095
Expires: 2026-06-30
License #780357· Verified Active C-57Services your area
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EARTH FLOW DRILLING COMPANY

Active
SANTA CRUZ, CA 95060
(831) 423 3288
Expires: 2028-03-31
License #800269· Verified Active C-57Services your area
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GRANITE DRILLING COMPANY

Active
SALINAS, CA 93912
(831) 751 6300
Expires: 2026-04-30
License #279262· Verified Active C-57Services your area
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GUARDINO WELL DRILLING INC

Active
MORGAN HILL, CA 95037
(408) 779 5904
Expires: 2027-02-28
License #664960· Verified Active C-57Services your area
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LANDINO DRILLING CO

Active
DAVENPORT, CA 95017
(831) 426 4129
Expires: 2028-01-31
License #334499· Verified Active C-57Services your area
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PACIFIC COAST WELL & PUMP INC

Active
SAN RAMON, CA 94583
(510) 581 6000
Expires: 2026-07-31
License #810579· Verified Active C-57Services your area
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PRECISION WELL SERVICE LLC

Active
BAKERSFIELD, CA 93312
(661) 809 1549
Expires: 2026-09-30
License #1043985· Verified Active C-57Services your area
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TAVARES PLUMBING AND PUMPS

Active
SANTA CLARA, CA 95050
(408) 472 2018
Expires: 2027-01-31
License #1100508· Verified Active C-57Services your area
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Find Well Drillers by City in Santa Clara County

Well Drilling Permits in Santa Clara County

Santa Clara County Department of Environmental Health issues well permits. Wells within the Santa Clara Valley Water District must meet additional requirements. Permit fees support groundwater monitoring programs.

All well construction, modification, or destruction in California must be performed by a contractor holding a valid C-57 Well Drilling license issued by the Contractors State License Board (CSLB).

Geology & Drilling Conditions in Santa Clara County

The Santa Clara Valley has productive alluvial aquifers that were once over-pumped, causing significant land subsidence. Managed aquifer recharge has stabilized levels. Southern county areas near Gilroy have deeper alluvial deposits. Foothill areas have fractured rock aquifers.

Frequently Asked Questions About Well Drilling in Santa Clara County

Do I need a permit to drill a well in Santa Clara County?
Yes, a well permit is required before any drilling can begin in Santa Clara County. Santa Clara County Department of Environmental Health issues well permits. Wells within the Santa Clara Valley Water District must meet additional requirements. Permit fees support groundwater monitoring programs. All well work must be performed by a contractor holding a valid California C-57 Well Drilling license.
How much does it cost to drill a well in Santa Clara County?
Well drilling costs in Santa Clara County typically range from $15,000 to $50,000 or more, depending on depth, geological conditions, and site accessibility. Average well depths in the area are around 250 feet. Getting quotes from multiple licensed C-57 contractors is the best way to estimate your specific project cost.
How deep are wells typically drilled in Santa Clara County?
Wells in Santa Clara County average around 250 feet deep, though actual depth varies with location, geology, and intended use. The Santa Clara Valley has productive alluvial aquifers that were once over-pumped, causing significant land subsidence. Managed aquifer recharge has stabilized levels. Southern county areas near Gilroy have deeper alluvial deposits. Foothill areas have fractured rock aquifers.
How do I find a licensed well driller in Santa Clara County?
You can browse our directory of verified C-57 licensed well drilling contractors serving Santa Clara County right on this page. Every contractor listed holds a valid California C-57 Well Drilling license verified through the Contractors State License Board (CSLB). We recommend contacting multiple drillers for quotes and checking their license status before hiring.
What should I know about water quality from a well in Santa Clara County?
Water quality from private wells in Santa Clara County depends on local geology and land use. It is recommended that you test your well water annually for bacteria, nitrates, and other contaminants. Santa Clara County Environmental Health can provide guidance on recommended testing. California does not regulate private well water quality, so testing is the homeowner's responsibility.

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