A new residential well in Washington runs $15,000 to $40,000 in 2026, and we’ve watched deep basalt jobs out toward Quincy blow past $50,000. That’s not a typo, and it’s not a contractor trying to scare you.
If you just got a drilling quote and your stomach dropped, you’re in good company. Well drilling cost in Washington has climbed about 30 percent since 2020, driven by fuel, steel casing prices, and a shortage of licensed drillers. The good news? Once you understand what you’re actually paying for, you can make smart calls that shave thousands off the total.
We’re Wenatchee Well Pros. We don’t drill wells ourselves, but we install and service the pumps, pressure tanks, and plumbing on hundreds of them across Chelan, Douglas, and Grant counties. We see the invoices. We know which line items are fair and which ones deserve a second look. This guide breaks down 2026 prices per foot, what makes North Central Washington wells more expensive than the wet side of the state, the permits you’ll need, and when fixing your existing well beats drilling a new one.
Well Drilling Cost in Washington: 2026 Numbers
Most Washington drillers price by the foot, then add separate charges for casing, the well seal, development, and mobilization. Here’s what we’re seeing on invoices in 2026.
| Item | Typical 2026 Cost | Notes |
|---|---|---|
| Drilling, soft formation | $45 to $65 per foot | Glacial till, sand, gravel |
| Drilling, hard rock (basalt) | $65 to $95 per foot | Common east of the Columbia |
| Steel casing, installed | $55 to $90 per foot | 6-inch is standard residential |
| Well seal and surface grout | $500 to $1,500 | Required by state code |
| Well development and yield test | $500 to $2,000 | Clears the bore, proves flow |
| Mobilization | $500 to $2,500 | More for remote or steep sites |
| Pump system, installed | $4,500 to $12,000 | Pump, wire, pipe, pressure tank |
| Trenching and hookup to house | $1,500 to $5,000 | Depth and distance matter |
| Permits and fees | $300 to $1,000 | Ecology notice plus county fees |
Stack it up and a 200-foot well in decent ground lands around $18,000 to $25,000 complete. A 500-foot basalt well with a long trench run can hit $45,000 or more.
One number people miss: dry holes. If the driller goes 400 feet and finds nothing, you still pay for those 400 feet. Most drillers in our area charge a reduced dry-hole rate, but it’s rarely less than half. Ask about it before the rig shows up.
Not sure whether you need a new well or just a new pump? Worth a five-minute conversation before you spend five figures. Call us at (509) 351-8404 and we’ll talk it through, no charge.
What Drives Well Drilling Costs in North Central Washington
Two wells a mile apart can differ by $20,000. Here’s why.
Depth is the biggest lever
Around here, depth swings wildly. Wells down in the Wenatchee and Cashmere valley floors often hit good water at 100 to 200 feet. Get up on the benches above East Wenatchee or out on the Waterville Plateau and 400 to 700 feet is common. We wrote a whole post on typical well depths around Wenatchee if you want the neighborhood-by-neighborhood picture.
At roughly $100 to $150 per finished foot once you add casing, every extra 100 feet is another $10,000 to $15,000. Before you drill, ask the driller to pull well logs from nearby parcels. Washington keeps these records public through the Department of Ecology’s well log database, and a neighbor’s log is the best free prediction you’ll ever get.
Geology: basalt eats drill bits
Much of Douglas and Grant counties sits on Columbia River basalt. It’s hard, abrasive rock that slows the rig and wears tooling, so drillers charge a premium per foot. The flip side is that basalt holds its shape, so you often need less casing. Soft alluvial ground near the rivers drills fast but needs casing most of the way down.
Access and site conditions
A drill rig weighs as much as a loaded dump truck. Steep orchard roads outside Leavenworth, soft spring ground, or a tight building site all add mobilization cost. Winter drilling is possible here but freezing temps add time, and time is money.
Casing and yield
State code requires steel casing through unstable formations and a minimum 18 feet of surface seal. If your well produces marginal flow, the driller may need to drill deeper or develop the well longer to get usable yield. A proper well yield test at completion tells you what the well can actually sustain, and your lender will likely want it documented anyway.
Real Jobs, Real Numbers From Our Service Area
Numbers in a table are one thing. Here’s how it plays out on the ground.
Marv in East Wenatchee bought two acres on the bench above Grant Road in 2025. Neighbor logs showed water around 380 feet. His driller hit a usable aquifer at 410 feet, mostly basalt. Drilling and casing came to $31,200. We installed a 1.5 HP submersible pump, 410 feet of drop pipe, and a pressure tank for $9,400. With trenching, electrical, and fees, Marv was all-in at $44,800.
Carla near Quincy wasn’t so lucky. Her first bore went 460 feet and came up nearly dry, producing under half a gallon a minute. She paid a negotiated dry-hole rate of about $14,000, then moved the rig 600 feet based on a hydrogeologist’s advice. The second hole hit 12 gallons per minute at 340 feet. Total project: $58,000. A $1,200 site study before the first hole probably would have saved her $14,000.
Pete up the Chumstick outside Leavenworth almost drilled when his 28-year-old well “quit.” Turned out the well was fine. His pump was shot, which is no surprise at that age, since most well pumps last 10 to 15 years. We replaced the pump and pressure tank for $6,800 and saved him a $30,000 drilling project he didn’t need.
Pete’s story is the one we see most. If your water stopped or slowed, get the existing system diagnosed before you call a driller. Request a free estimate and we’ll tell you straight whether the well or the equipment is the problem.
Don’t Forget the Pump System: The Other $5,000 to $12,000
A drilled hole in the ground doesn’t deliver water. The drilling quote usually ends at the well cap, and a lot of homeowners get surprised by the second half of the project.
A complete water system on a new well includes the submersible pump sized to your depth and household demand, drop pipe and wire, a pitless adapter, a pressure tank, a pressure switch, and the buried line to the house. Proper pump sizing matters more than brand. An oversized pump short cycles and dies young. An undersized one leaves you with weak showers forever.
Budget $4,500 to $7,500 for a typical 200-foot setup, and $8,000 to $12,000 for deep wells over 400 feet where heavier pumps, more wire, and more pipe drive the price. Constant-pressure systems add $1,500 to $3,000 but are worth a look on deep wells and homes with irrigation.
This is the part we do every week. See our well pump replacement service for what an installed system includes, and our pressure tank replacement page if your tank is the weak link.
Permits, Water Rights, and Washington’s Rules
Washington regulates wells harder than most states, and skipping steps gets expensive fast.
Before drilling, your driller files a Notice of Intent with the Department of Ecology, currently a few hundred dollars in fees. Most single homes drill under the groundwater permit exemption, which allows up to 5,000 gallons per day for domestic use without a formal water right. The catch: some watersheds, including parts of upper Kittitas and certain closed basins, restrict new permit-exempt wells. We covered the details in our guide to permit-exempt wells in Washington.
Counties add their own layer. Chelan, Douglas, and Grant counties all require setbacks from septic systems, property lines, and livestock areas. And once the well is in, the Washington Department of Health recommends testing new wells for bacteria and nitrates before you drink from them. Budget $150 to $400 for a proper lab panel.
One more rule worth knowing: only licensed water well contractors can legally drill in Washington. Verify the license. An unlicensed bore can’t be legally connected, and you’ll pay to decommission it.
How to Keep Your Well Drilling Cost Down
You can’t change the geology under your land, but you can control plenty.
Pull neighbor well logs first. Free, public, and the single best predictor of your depth and cost. Fifteen minutes on Ecology’s site can sharpen a quote by thousands.
Get three bids with per-foot pricing in writing. Make every bid break out drilling, casing, seal, development, and mobilization separately so you’re comparing apples to apples.
Ask about the dry-hole rate before signing. Carla’s $14,000 lesson, in one sentence.
Drill in the off season. Some drillers discount late fall and winter work when the schedule thins out. Around here that can mean 5 to 10 percent.
Don’t cheap out on casing or the seal. A saved $2,000 on casing becomes a $10,000 well casing repair when surface water or sand gets in.
Coordinate the pump install with the driller’s schedule. When we know the completion date, depth, and yield ahead of time, we can have the right pump on the truck the day the rig leaves. You get water days sooner and avoid return-trip charges.
Want a second set of eyes on a drilling bid, or a firm quote on the pump system side? Call (509) 351-8404. We’ve read hundreds of these invoices and we’ll tell you what’s normal for your area.
The Bottom Line
Plan on $18,000 to $30,000 for a typical complete well in the valley floors around Wenatchee, Cashmere, and Chelan, and $35,000 to $50,000 for deep basalt wells on the plateaus and benches. The bore itself is only part of it. Permits, the pump system, trenching, and water testing round out the real number.
And before you drill at all, make sure you actually need to. A failed pump, a waterlogged pressure tank, or a clogged screen can mimic a dying well perfectly. The diagnosis costs nothing with our free estimates. The wrong assumption costs $30,000.
Frequently Asked Questions
How much does it cost to drill a well per foot in Washington?
In 2026, drilling alone runs $45 to $95 per foot depending on formation, with basalt at the high end. Add steel casing at $55 to $90 per foot where it’s required and the realistic all-in figure is $100 to $150 per finished foot. Deep or remote sites trend higher.
How deep are wells in the Wenatchee area?
Valley-floor wells near the Wenatchee and Columbia rivers often find water at 100 to 200 feet. Bench and plateau properties in East Wenatchee, Waterville, and parts of Grant County commonly run 300 to 700 feet. Pull nearby well logs from the Department of Ecology before you budget, because depth is the single biggest cost driver.
Do I need a permit to drill a well in Washington?
Your licensed driller must file a Notice of Intent with the Department of Ecology before drilling, and most single-family homes qualify for the permit exemption of up to 5,000 gallons per day. Some closed basins restrict new permit-exempt wells, so check your watershed first. Counties also enforce setbacks from septic systems and property lines.
Is it cheaper to deepen an existing well or drill a new one?
Deepening can make sense when the casing is sound and the rig can re-enter the bore, often costing 40 to 60 percent of a new well. Older wells with damaged or undersized casing usually can’t be deepened safely, so a new bore wins. Get the existing well inspected and the pump ruled out first, since a worn pump is the most common false alarm for a “failing” well.