
Well Drilling Contractors in California
DrillerDB tracks 484,813 water-well records across California, where completed wells average about 288 feet deep. Use the directory below to connect with licensed, insured drilling and pump contractors serving California, and review real local well data before you request a quote.
- Contractors
- 571
- Services
- 10+
- State
- CA
571 Contractors


Southern California Well Service

BC2 Environmental

Les Petersen Drilling & Pump Inc.

Peters Drilling & Pump Service

Valley Well Drilling
B&B Well Drilling, Inc.

Canepa & Sons Inc

Eagle Well Drilling & Pump Services

Fain Drilling & Pump Co Inc

Gary C Tanko Well Drilling Inc

Haynes & Sons Well Drilling

Kings River Drilling

Miller Drilling Co.

O'Sullivan Pump Co.

Parks Water Resources Drilling

Roadrunner Pump Service
Rumsey-Lang Well Drilling

Shasta Drilling Inc.
DrillerDB Well Data for California
Our database holds 1,052,515 water-well records across California, with completed wells averaging about 288 feet deep. These are real, verifiable construction records you can review before you hire - depths, locations, and details you can share with any contractor.
Well Drilling Costs & Permits in California
A complete private well system in California typically runs $15,000-$45,000, depending on depth, geology, and the pump and treatment you choose. On permitting: County Environmental Health (DWR Bulletin 74). A typical project takes 2-4 months from planning to usable water.
Official California resources
Water Well Services Available in California
Typical services offered by licensed contractors in this state.
- Residential Water Well Drilling
- Agricultural Irrigation Wells
- Vineyard & Orchard Wells
- Well Pump Repair & Replacement
- Emergency Well Service
- Water Quality Testing
- Well Rehabilitation & Deepening
- Groundwater Monitoring Wells
- Drought Response Drilling
- Well Abandonment Services
California Water Well Guides
Verify a CaliforniaDriller's License
Free tool: check a Californiawell driller's license status by name, see the source, and find verified drillers near you.
Check a licenseCalifornia Well Owner Guide
Complete guide for homeowners: costs, permits, timeline, water quality, and maintenance tips for private wells in California.
Open guideCalifornia Drilling Guide
Professional driller resource: licensing requirements, geology, aquifers, construction standards, and compliance in California.
Open guideCalifornia Well Records Map
Search millions of water-well records across California: locations, depths, and construction details you can share with any contractor.
Open well mapGeological & Drilling Conditions in California
California's varied terrain ranges from coastal valleys to mountain regions, with significant seismic considerations. Drillers often navigate complex geological formations and strict environmental regulations.
These conditions show up directly in our well records: across the 1,052,515 California wells in the DrillerDB database, completed depth averages about 288 feet. A local driller will read the formations under your specific site to plan casing, grouting, and target depth.
Frequently Asked Questions About Well Drilling in California
Find Well Drillers by City in California
Jump straight to city-level directories.
Find Well Drillers in Neighboring States
Drilling conditions and contractors near the California border.
Ready to Get Started?
Connect with licensed water well contractors in California today. Get free quotes and expert advice for your drilling project.
Searching Outside California?
Search for well drilling near me in the national directory, or browse by the work you need: well drilling services, well pump service near me, or well service and repair near me.
