
Well Drilling Contractors in California
DrillerDB tracks 1,050,979 water-well records across California, where completed wells average about 229 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
- 548
- Services
- 10+
- State
- CA
548 Contractors


Les Petersen Drilling & Pump Inc.

Living Water Well Drilling & Pumps

American Pump Service

Southern California Well Service

Krazan & Associates

ABC Liovin Drilling Inc

Anderson Pump Co

Cascade Environmental

Cascade Well & Pump Co

Fisch Bros. Drilling

Fisch Drilling & Pump Inc
Gregg Drilling, LLC

Guardino Well Drilling

Penecore Drilling

Peters Drilling & Pump Service

Valley Well Drilling

Weeks Drilling & Pump Company Inc

Well Industries Inc
DrillerDB Well Data for California
Our database holds 1,050,979 water-well records across California, with completed wells averaging about 229 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 1,050,979 California wells in the DrillerDB database, completed depth averages about 229 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?
Use the national directory to browse licensed water well contractors and per-state well data across the United States.
