Verified license

K J Unnerstall Const

Washington, MO · Franklin CountyWell drilling

Call (636) 239-2028
WebsiteDirections
License status
Active
checked September 30, 2026
License number
005045
Missouri record
Services
3
Well Abandonment and more
Counties served
1
on the state record

About K J Unnerstall Const

K J Unnerstall Const is a well drilling contractor based in Washington, MO (Franklin County). The Missouri licensing program lists license 005045 as active, and we last checked the record on September 30, 2026.

The state record covers well abandonment, well drilling and well repair. It lists 1 county where the business works, including Franklin 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
005045
License type
Well drilling
Status
Active
Last verified
September 30, 2026

Check this license yourself on the official Missouri lookup.

What the state record says

Missouri permitted well installation contractor (Missouri Geological Survey permit 005045, held by Kurt J Unnerstall: restricted water well; 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: Kurt Unnerstall. No water well certification reports filed with the Missouri Geological Survey since 2016 under these permit numbers (pump work is reported separately).

Services

What the Missouri record says K J Unnerstall Const is licensed or registered to do.

Well Abandonment

Sealing an unused well to state standards so it cannot carry surface water down into the aquifer.

Well Drilling

Drilling a new private well, setting the casing and grouting it the way state rules require.

Well Repair

Fixing casings, caps, pitless adapters and other parts of an existing well.

Service area

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

Approximate location (Franklin County)Counties on the state record

  • Franklin County

Well water in Franklin County

Useful context before you call a contractor here.

40%of households in Franklin County drink from a private well (est.)
270 to 400 feet; the median of 3,656 domestic wells certified to the Missouri Geological Survey since 2000 is 330 feettypical private well depth
Not requiredwater test when a home with a well is sold in Missouri
Open the Franklin County well guide

Typical costs for these services

National ranges to help you read a quote. They are not prices from K J Unnerstall Const; ask for a written estimate.

New well drilled$5,500 to $25,000about $25 to $65 per foot
Shock chlorination$80 to $300or about $20 as a DIY job

Before you hire

  1. 1

    Confirm the license

    Look up license 005045 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 K J Unnerstall Const

Is K J Unnerstall Const licensed?

Yes. The Missouri record shows license 005045 (well drilling) with the status "active", last checked on September 30, 2026. You can confirm it on the state lookup.

What services does K J Unnerstall Const offer?

The state record lists well abandonment, well drilling and well repair. Call to confirm they take on your type of job.

What areas does K J Unnerstall Const serve?

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

How do I contact K J Unnerstall Const?

Call (636) 239-2028, visit their website and email them. The address on the state record is 4923 South Point Rd, Washington, MO 63090.

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