Well Drillers in San Luis Obispo County, California
San Luis Obispo County on the Central Coast is known for its wine country, coastal communities, and Paso Robles. Many rural properties, vineyards, and agricultural operations rely on private wells. The North County area around Paso Robles has particularly high well drilling activity.
Licensed Contractors
15
Avg. Well Depth
~300 ft
County Seat
San Luis Obispo
Licensed C-57 Contractors in San Luis Obispo County
BRAND X WATER WELL SERVICE
ActiveNIPOMO, CA 93444
(805) 863 1854
Expires: 2027-09-30
License #1057917· Verified Active C-57Services your area
View Details →C J LOGAN PUMP & ELECTRIC INC
ActiveBAKERSFIELD, CA 93390
(661) 398 1244
Expires: 2026-11-01
License #1008789· Verified Active C-57Services your area
View Details →CASE PACIFIC COMPANY
ActivePASO ROBLES, CA 934467199
(805) 237 8851
Expires: 2028-03-31
License #259827· Verified Active C-57Services your area
View Details →FILIPPONI-THOMPSON DRILLING INC
ActiveATASCADERO, CA 93423
(805) 466 1271
Expires: 2026-12-31
License #432680· Verified Active C-57Services your area
View Details →FISHER PUMP AND WELL SERVICE
ActiveSANTA MARIA, CA 93455
(805) 346 2422
Expires: 2027-09-30
License #1031330· Verified Active C-57Services your area
View Details →HANK'S WELDING SERVICE
ActivePASO ROBLES, CA 93446
(805) 238 2404
Expires: 2028-01-31
License #831367· Verified Active C-57Services your area
View Details →LOGAN CONSTRUCTION INC
ActiveARROYO GRANDE, CA 93420
(559) 901 8323
Expires: 2026-11-01
License #1013419· Verified Active C-57Services your area
View Details →LYLES WATER WELL DRILLING
ActivePASO ROBLES, CA 93446
(805) 975 3799
Expires: 2027-02-28
License #1057892· Verified Active C-57Services your area
View Details →MELLO & SONS PUMPS & MOTORS
ActiveARROYO GRANDE, CA 93420
(805) 481 1286
Expires: 2026-07-31
License #725485· Verified Active C-57Services your area
View Details →MIDSTATE DRILLERS
ActivePASO ROBLES, CA 934462476
(907) 242 9066
Expires: 2028-03-31
License #999944· Verified Active C-57Services your area
View Details →MILLER DRILLING CO
ActiveTEMPLETON, CA 93465
(805) 434 1888
Expires: 2026-10-31
License #324634· Verified Active C-57Services your area
View Details →PACIFIC COAST WELL DRILLING INC
ActiveTEMPLETON, CA 93465
(805) 434 5543
Expires: 2027-01-31
License #927400· Verified Active C-57Services your area
View Details →PRECISION WELL SERVICE LLC
ActiveBAKERSFIELD, CA 93312
(661) 809 1549
Expires: 2026-09-30
License #1043985· Verified Active C-57Services your area
View Details →PRO-H20 DRILLING AND PUMP COMPANY
ActivePASO ROBLES, CA 93447
(805) 674 8674
Expires: 2027-08-31
License #767541· Verified Active C-57Services your area
View Details →WESTERN FOUNDATIONS & SHORING INC
ActiveLAKESIDE, CA 92040
(619) 561 3510
Expires: 2027-05-31
License #439363· Verified Active C-57Services your area
View Details →Find Well Drillers by City in San Luis Obispo County
Well Drilling Permits in San Luis Obispo County
San Luis Obispo County Environmental Health Services issues well permits. The Paso Robles Groundwater Basin has specific additional requirements due to being designated as a medium-priority basin under SGMA. Coastal wells have salinity monitoring requirements.
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 Luis Obispo County
Diverse geology includes the Paso Robles Formation in the north (a productive aquifer), coastal terrace deposits, and Franciscan Complex in the Santa Lucia Range. The Paso Robles basin has experienced significant water level declines in recent drought years.
Frequently Asked Questions About Well Drilling in San Luis Obispo County
Do I need a permit to drill a well in San Luis Obispo County?
Yes, a well permit is required before any drilling can begin in San Luis Obispo County. San Luis Obispo County Environmental Health Services issues well permits. The Paso Robles Groundwater Basin has specific additional requirements due to being designated as a medium-priority basin under SGMA. Coastal wells have salinity monitoring requirements. 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 Luis Obispo County?
Well drilling costs in San Luis Obispo 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 Luis Obispo County?
Wells in San Luis Obispo County average around 300 feet deep, though actual depth varies with location, geology, and intended use. Diverse geology includes the Paso Robles Formation in the north (a productive aquifer), coastal terrace deposits, and Franciscan Complex in the Santa Lucia Range. The Paso Robles basin has experienced significant water level declines in recent drought years.
How do I find a licensed well driller in San Luis Obispo County?
You can browse our directory of verified C-57 licensed well drilling contractors serving San Luis Obispo 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 Luis Obispo County?
Water quality from private wells in San Luis Obispo 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 Luis Obispo County Environmental Health can provide guidance on recommended testing. California does not regulate private well water quality, so testing is the homeowner's responsibility.