How to choose a well pump contractor

The most reliable filter for a well pump contractor is whether they measure before they quote. A contractor who takes a static water level reading, checks the pressure switch and tank, and reads amp draw is diagnosing. One who quotes a new pump from the driveway is selling. Verify licensing with the Arizona Registrar of Contractors and, for drilling work, the Arizona Department of Water Resources.

The measurement test

Well work has an unusual property: the expensive part is invisible and 300 feet underground. That makes it easy to sell a pump to someone whose pressure switch failed.

So the practical filter is not credentials or reviews. It is whether anyone measured anything.

Diagnosing looks like: checking the breaker, testing the pressure switch, tapping the pressure tank, reading amp draw at the wires, ohming the drop wire, and measuring the static water level.

Selling looks like: a pump quote produced without any of that.

Both take the same amount of time to say out loud. Only one of them tells you what is wrong.

Licensing in Arizona

Arizona Registrar of Contractors. Contracting work is licensed through the ROC. You can verify a license number, see the classification, and check complaint history. Do that rather than trusting a number on a truck.

Arizona Department of Water Resources. Well drilling is separately licensed through ADWR. If the work involves drilling, deepening, or abandoning a well, that is the relevant credential.

Also confirm liability insurance and, if they have employees, workers compensation. Ask for a certificate rather than a verbal yes.

Questions worth asking

Before work starts:

• What is my static water level today, and what is my pump setting depth?
• What tests did you run to reach this diagnosis?
• If you are recommending a pump, why is the pressure switch, tank, and wiring ruled out?
• Is the new pump sized for today’s water level or the original one?
• Does the price include drop pipe and wire?
• What is the warranty on the equipment, and separately on your labor?
• What happens to the price if conditions differ once the pump is out?
• Will you show me the old pump?

That last one is small and telling. It is your equipment, and its condition is the evidence for whatever you were just told.

Local knowledge that actually matters

Around Prescott, one piece of local knowledge separates contractors who understand this market from those applying generic practice.

Groundwater in the Chino Valley area has fallen for decades, with depth to water typically increasing 80 to 100 feet for a well drilled 50 years ago, and parts of Williamson Valley seeing reported declines as high as 8 feet a year. A contractor who works here should raise that without prompting when the symptoms point that way.

If you describe a pump that runs but delivers air and the response is a pump quote with no mention of water level, that is a meaningful signal. See falling groundwater and what it means for your well.

Warning signs

• A pump replacement quoted before any above-ground testing
• No static water level measurement
• Pressure to decide today, on a job that is not an emergency
• A quote that will not itemize equipment and labor separately
• Refusal to show you the old pump
• Water treatment equipment bundled into a pump repair with no lab test
• Payment in full up front for a job that has not started
• A verbal warranty with nothing in writing

On that treatment point: pump repair and water treatment are different jobs, and a lab test comes before any treatment purchase. A free in-home water test performed by someone with equipment in the truck is a sales call. See well water testing.

What to have ready

It makes the visit shorter and the quote more accurate:

• The well drilling record, if you have it
• Pump setting depth and total well depth
• When the pump was last replaced or serviced
• A clear description of the symptom and whether it came on gradually or suddenly
• Whether the breaker tripped, and whether it holds
• What the pressure gauge reads

Emergencies are a different calculation

When you have no water, the sensible tradeoff shifts. Several local companies advertise same-day or 24-hour service, and paying a premium to have water tonight is a legitimate choice.

What does not change: still ask what was tested, still get the scope in writing before work begins, and still ask to see the old pump. Urgency is a reason to move quickly. It is not a reason to skip the questions.

Next step

Tell us what the system is doing and we will connect you with an independent local contractor who works on wells in the Prescott area. Start here.

Last reviewed July 2026.