Water Well Drilling Cost Per Foot in California (2026): $35-$75/ft

When California drillers quote you a price, it almost always comes down to a per-foot rate. Understanding what that rate includes — and why it ranges from $35 to $75 per foot — is the single most important thing you can do before signing a contract. This guide breaks down per-foot drilling costs across California so you can evaluate quotes with confidence.

For a full overview of California well costs, see our complete California well drilling cost guide.

California Per-Foot Cost at a Glance

Cost Factor	California 2026
Per-foot range	$35–$75
Average per-foot rate	$50
Typical residential depth	350 ft (range: 100–800 ft)
Primary aquifer	Central Valley Aquifer System / Coastal Basin Aquifers
Water table depth	50-300 feet in the Central Valley (declining in some basins due to overdraft); 100-600 feet in Southern California
Best drilling season	Year-round in most areas

What’s Included in California Per-Foot Pricing

Most California drillers include the following in their quoted per-foot rate:

• Drilling labor and equipment mobilization — getting the rig to your property and the actual drilling operation
• Drill bit wear and fuel — consumables used during boring
• Basic borehole logging — recording depth, geology, and water-bearing zones
• Drilling fluid — mud rotary or air rotary medium for flushing cuttings

What’s Typically NOT Included

These items are typically quoted separately:

• Well casing — PVC or steel pipe lining the borehole ($8–$25 per foot)
• Well screen — slotted section at the water-bearing zone ($10–$20 per foot)
• Grout and seal — cement seal preventing surface contamination ($3–$8 per foot)
• Pump and pressure system — submersible pump, pressure tank, wiring ($2,500–$6,000)
• Electrical hookup — wiring from well to home electrical panel ($1,000–$3,000)
• Water testing — bacteria, mineral, and chemical analysis ($150–$500)
• Permit fees — varies in California (County Environmental Health Departments issue permits; the State Water Resources Control Board oversees Sustainable Groundwater Management Act (SGMA) compliance) — typically $50–$500

Always ask for an itemized quote to see exactly what your per-foot rate covers.

Casing Cost Per Foot in California

Casing is one of the biggest cost variables beyond the drilling itself:

Casing Type	Cost Per Foot	Best For	Lifespan
Schedule 40 PVC (4”)	$8–$12	Shallow wells, sandy/sedimentary formations	30–50 years
Schedule 80 PVC (4”)	$10–$16	Standard residential, moderate depths	40–60 years
Steel (4”)	$15–$25	Deep wells, hard rock formations	50+ years
Steel (6”)	$20–$35	High-flow residential, light irrigation	50+ years

In areas of California with hard bedrock or deeper wells (typically the upper end of the 100–800 ft range), steel casing is often required because PVC can crack at depth. In sandy/sedimentary regions and shallower wells, PVC handles the load.

How Depth Affects Per-Foot Rates in California

Per-foot rates often increase with depth — even within California:

0–200 feet: The most straightforward drilling. Standard rigs handle these depths easily; formations are usually softer. Rates stay at the $35–$50 range.

200–400 feet: Rates typically increase $5–$10 per foot above the base rate. Harder formations may be encountered, drilling takes longer per foot, more casing is required.

400–600 feet: Specialized equipment may be needed. Drill bit changes are more frequent and the risk of problematic formations increases. Add $10–$20 per foot above base rate.

600+ feet: Heavy-duty rigs, steel casing, and significantly more time. Rates can reach the upper end of California’s range ($75/ft) or beyond. California’s deepest wells are typically in the 700–800+ ft range.

Many California drillers quote a base per-foot rate for the first 200–300 feet, then a higher rate for additional depth. Make sure your quote specifies the rate structure for different depth tiers.

Why Per-Foot Costs Vary in California

California’s Central Valley sits atop one of the world’s most productive aquifer systems with thick sequences of alluvial fan deposits, while coastal areas have smaller, fractured bedrock aquifers. Sierra Nevada foothills require drilling through granite and metamorphic rock.

The geology summarized above is the primary driver of per-foot cost variation within California. Areas with softer sedimentary formations drill faster and cheaper. Areas with limestone, granite, or volcanic rock require slower, more expensive methods. California’s primary aquifer — the Central Valley Aquifer System / Coastal Basin Aquifers — sits at 50-300 feet in the Central Valley (declining in some basins due to overdraft); 100-600 feet in Southern California, which directly affects how deep your well must go.

Total Well Cost Estimates in California

Here’s what California property owners actually pay when you combine per-foot drilling, casing, pump, and all other costs:

Well Depth	Drilling Only	Complete System (with pump, casing, electrical)
100 ft (shallow)	$3,500–$7,500	$6,000–$12,500
350 ft (typical)	$12,250–$26,250	$14,750–$31,250
500 ft (deeper)	$17,500–$37,500	$20,000–$42,500
800 ft (deepest typical)	$28,000–$60,000	$30,500–$65,000

How to Compare Per-Foot Quotes

When you receive quotes from multiple California drillers:

1. Confirm what’s included. A $40/ft quote that includes casing is cheaper than a $30/ft quote where casing is extra.
2. Ask about depth tiers. Will the rate increase after 200 or 300 feet?
3. Get a not-to-exceed estimate. Good drillers cap the total cost based on expected depth in your area.
4. Check for mobilization fees. Some drillers charge $500–$2,000 to move the rig, especially for rural locations.
5. Verify licensing. California requires a C-57 Water Well Drilling Contractor license from the Contractors State License Board.

We recommend getting at least three quotes. Request free quotes from licensed California drillers to compare pricing in your area.

When to Drill in California

Year-round in most areas; some mountain regions limited by snow access from November through March

Driller schedules typically fill 4–8 weeks in advance, especially in peak drilling season. Off-season drilling (where weather allows) sometimes captures 5–15% labor savings.

Frequently Asked Questions

How much does it cost to drill a water well per foot in California?

California well drilling costs $35–$75 per foot in 2026, with $50 per foot as the average. Total cost depends on depth — a typical 350-foot well costs $12,250–$26,250 for drilling alone, plus $2,500–$5,000 for pump and connection.

Why is well drilling cost per foot different across California?

California’s geology varies regionally — softer sedimentary formations drill faster and cheaper than hard limestone, granite, or volcanic bedrock. Wells targeting deeper aquifers also cost more per foot because of additional drill bit wear, slower progress, and the need for steel rather than PVC casing.

Does the per-foot rate include the well casing?

Usually not. Most California drillers quote drilling and casing separately. PVC casing adds $8–$16 per foot; steel casing adds $15–$35 per foot. Always ask for an itemized breakdown so you know exactly what the per-foot rate covers.

How deep do you have to drill for water in California?

In California, residential well depths typically range from 100 to 800 feet, with 350 feet being the average. Your specific depth depends on local geology, target aquifer, and how productive nearby wells have been. The Central Valley Aquifer System / Coastal Basin Aquifers is California’s primary residential aquifer, sitting at 50-300 feet in the Central Valley (declining in some basins due to overdraft); 100-600 feet in Southern California.

Is it cheaper to drill a shallow well in California?

Yes — both the per-foot rate and total cost are lower for shallow wells. A 100-foot well costs $3,500–$7,500 for drilling, while a 800-foot well runs $28,000–$60,000. However, you can’t choose your well depth — it depends on where the productive aquifers are beneath your property.

Do California well drillers charge a flat rate or per-foot rate?

Most California residential well drillers quote per-foot rates, though some offer flat-rate packages where well depth is predictable. Per-foot pricing is more common because depth can vary even between neighboring properties. Some drillers quote a base rate for the first 200–300 feet and a higher rate for additional depth.

How can I get the best per-foot rate on well drilling in California?

Get at least three quotes from licensed drillers, drill during the slower season (year-round in most areas is peak; outside that window can save 5–15%), and choose a property access point that minimizes mobilization costs. Request free quotes here to compare rates from drillers in your area.

Next Steps

Understanding per-foot pricing is just one piece of the puzzle. Explore our other California well drilling resources:

• California Well Drilling Cost Guide — complete overview of costs in California
• Well Drilling Cost Per Foot (National) — compare California to other states
• How Much Does It Cost to Drill a Well — full national breakdown
• Well Pump Costs — pump, pressure tank, and electrical pricing
• California Contractor Directory — find licensed drillers in California