This page lists licensed or relevant well drillers serving San Diego, California. It includes contractor names, contact information, service areas, maps, FAQs, and links to related city and driller pages. This page currently includes 14 contractor listings.

Well Drillers in San Diego County, California

San Diego County has active well drilling in its expansive east county backcountry. Communities like Ramona, Julian, Valley Center, Fallbrook, and Jamul rely on private wells. The county's semi-arid climate and growing population make groundwater an increasingly valuable resource.

Licensed Contractors

14

Avg. Well Depth

~300 ft

County Seat

San Diego

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Drillers servicing San Diego County

ACME WELL DRILLING INC

RAMONA, CA
(760) 803 4526
Services your area
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ALL AMERICAN DRILLING AND PUMP SERVICE LLC

ESCONDIDO, CA
(760) 470 1655
Services your area
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ASPIN RICK A CONSTRUCTION

RAMONA, CA
(760) 535 4024
Services your area
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DIERKOP PAUL

CAMPO, CA
(619) 345 1385
Services your area
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EAST COUNTY PUMP SERVICES

ALPINE, CA
(619) 871 8828
Services your area
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GRANITE CONSTRUCTION COMPANY

WATSONVILLE, CA
(831) 768 4086
Services your area
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HYDRO - TECH WELL SERVICES INC

RAMONA, CA
(760) 789 7514
Services your area
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INDEPENDENT WELL DRILLING

APPLE VALLEY, CA
(760) 247 9882
Services your area
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L O LYNCH QUALITY WELLS & PUMPS INC

SAN JACINTO, CA
(951) 654 7724
Services your area
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SOUTHERN CALIFORNIA WELL SERVICE LLC

ANZA, CA
(760) 239 8159
Services your area
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STEHLY BROTHERS DRILLING INC

VALLEY CENTER, CA
(760) 742 3668
Services your area
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TRI-COUNTY DRILLING INC

SAN DIEGO, CA
(858) 271 0099
Services your area
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WEST STAR WELL SERVICES INC

BARSTOW, CA
(442) 309 0445
Services your area
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WESTERN FOUNDATIONS & SHORING INC

LAKESIDE, CA
(619) 561 3510
Services your area
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Find Well Drillers by City in San Diego County

San Diego

Pop. 1,386,932

Oceanside

Pop. 176,207

Escondido

Pop. 151,038

Ramona

Pop. 21,973

Valley Center

Pop. 13,237

Fallbrook

Pop. 32,060

Well Drilling Permits in San Diego County

San Diego County Department of Environmental Health issues well permits. The county has comprehensive well construction requirements, including mandatory water quality testing. Permits require site plans and well design specifications.

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 San Diego County

Coastal areas have sedimentary formations and alluvial deposits. Inland valleys feature decomposed granite and fractured crystalline rock aquifers with variable yields. The Borrego Valley in the eastern desert has deep alluvial aquifers. Water quality can be affected by naturally occurring minerals in some areas.

Well Guides & Resources

Research well drilling before hiring. Our guides cover costs, permits, depth, and timelines.

Frequently Asked Questions About Well Drilling in San Diego County

Do I need a permit to drill a well in San Diego County?
Yes, a well permit is required before any drilling can begin in San Diego County. San Diego County Department of Environmental Health issues well permits. The county has comprehensive well construction requirements, including mandatory water quality testing. Permits require site plans and well design specifications. 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 San Diego County?
Well drilling costs in San Diego 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 300 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 San Diego County?
Wells in San Diego County average around 300 feet deep, though actual depth varies with location, geology, and intended use. Coastal areas have sedimentary formations and alluvial deposits. Inland valleys feature decomposed granite and fractured crystalline rock aquifers with variable yields. The Borrego Valley in the eastern desert has deep alluvial aquifers. Water quality can be affected by naturally occurring minerals in some areas.
How do I find a licensed well driller in San Diego County?
You can browse our directory of verified C-57 licensed well drilling contractors serving San Diego 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 San Diego County?
Water quality from private wells in San Diego County depends on local geology and land use. It is recommended that you test your well water annually for bacteria, nitrates, and other contaminants. San Diego County Environmental Health can provide guidance on recommended testing. California does not regulate private well water quality, so testing is the homeowner's responsibility.

Nearby Counties

Orange County

Southern California

Riverside County

Inland Empire

Imperial County

Southern California