Verified license

A-One Pump Service

Exeter, MO · Barry CountyPump installation

Call (417) 835-2008
Directions
License status
Active
checked September 30, 2026
License number
004471
Missouri record
Services
2
Pump Installation and more
Counties served
1
on the state record

About A-One Pump Service

A-One Pump Service is a pump installation contractor based in Exeter, MO (Barry County). The Missouri licensing program lists license 004471 as active, and we last checked the record on September 30, 2026.

The state record covers pump installation and pump repair. It lists 1 county where the business works, including Barry County.

This profile is built from public state license records checked on September 30, 2026. Well Water Insider does not rate or endorse contractors. Own this business? Claim the profile to add photos, hours and a description.

License record

Verified against state records
License number
004471
License type
Pump installation
Status
Active
Last verified
September 30, 2026

Check this license yourself on the official Missouri lookup.

What the state record says

Missouri permitted pump installation contractor (Missouri Geological Survey permit 004471, held by Billy A Yocum: pump installation; active on the WIMS permit search). Missouri permits the individual under the Water Well Drillers' Act (RSMo 256.600 to 256.640) and the 10 CSR 23 well construction rules; a water well permit covers constructing, reconstructing and plugging water wells, and a pump installer permit covers installing and repairing pumps. A restricted permit limits the holder to specified work. Primary responsible party on the business record: Billy Yocum.

Services

What the Missouri record says A-One Pump Service is licensed or registered to do.

Pump Installation

Setting a new submersible or jet pump with the pressure tank, switch and controls.

Pump Repair

Tracking down low pressure, short cycling or no water, then repairing or replacing parts of the pump system.

Service area

Based in Barry County, Missouri. The state record lists 1 county.

Approximate location (Barry County)Counties on the state record

  • Barry County

Well water in Barry County

Useful context before you call a contractor here.

42%of households in Barry County drink from a private well (est.)
430 to 640 feet; the median of 1,954 domestic wells certified to the Missouri Geological Survey since 2000 is 540 feettypical private well depth
Not statewidewater test when a home with a well is sold: no statewide rule in Missouri
Open the Barry County well guide

Typical costs for these services

National ranges to help you read a quote. They are not prices from A-One Pump Service; ask for a written estimate.

Submersible pump replacement$1,000 to $2,500installed; deep wells cost more
Pressure tank replacement$800 to $1,500installed

National 2026 ranges. Sources, checked September 2026: HomeGuide cost guides, Angi.

Before you hire

  1. 1

    Confirm the license

    Look up license 004471 on the Missouri state lookup and make sure it is active for the work you need. Open the Missouri lookup.

  2. 2

    Get a written estimate

    Ask for the scope, parts, depth or pump size, permit fees and warranty in writing. Compare two or three quotes for big jobs.

  3. 3

    Ask about permits and the well log

    New wells and many repairs are reported to the state. Ask who files the paperwork and for a copy of the well log.

  4. 4

    Test the water after the work

    Any work on a well can disturb bacteria. Test for coliform bacteria once the job is done.

Questions about A-One Pump Service

Is A-One Pump Service licensed?

Yes. The Missouri record shows license 004471 (pump installation) with the status "active", last checked on September 30, 2026. You can confirm it on the state lookup.

What services does A-One Pump Service offer?

The state record lists pump installation and pump repair. Call to confirm they take on your type of job.

What areas does A-One Pump Service serve?

The business is based in Barry County (Exeter, MO). The state record lists 1 county, including Barry County.

How do I contact A-One Pump Service?

Call (417) 835-2008. The address on the state record is 9617 St HWY 76, Exeter, MO 65647.

Other licensed contractors near Exeter