Verified license

McMullen Well Drilling Corp

Saint Helens, OR · Columbia CountyWell drilling

Call (503) 397-2356
License status
Active
checked September 30, 2026
License number
1480
Oregon record
Services
4
Pump Installation and more
Counties served
7
on the state record

About McMullen Well Drilling Corp

McMullen Well Drilling Corp is a well drilling contractor based in Saint Helens, OR (Columbia County). The Oregon licensing program lists license 1480 as active, and we last checked the record on September 30, 2026.

The state record covers pump installation, well abandonment, well drilling and well repair. It lists 7 counties where the business works, including Columbia County, Clatsop County and Washington 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
1480
License type
Well drilling
Status
Active
Last verified
September 30, 2026

Check this license yourself on the official Oregon lookup.

What the state record says

Oregon licensed water supply well constructor (Water Resources Department license 1480, held by Arthur McMullen, water and monitoring wells; current on OWRD's well constructor license list). Oregon licenses the individual under ORS 537.747 and OAR 690-205; a water supply well constructor must be bonded, files a start card before drilling and a well report within 30 days of finishing, and may construct, alter, deepen, convert and abandon water wells. Oregon has no separate pump installer license. Filed 566 water well reports with OWRD since 2016 (474 new wells, 535 of them domestic; 106 abandonments), most recently in September 2026, mostly in Columbia, Clatsop and Washington counties; the median depth of the new wells is 190 feet.

Services

What the Oregon record says McMullen Well Drilling Corp is licensed or registered to do.

Pump Installation

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

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 Columbia County, Oregon. The state record lists 7 counties.

Approximate location (Columbia County)Counties on the state record

  • Columbia County
  • Clatsop County
  • Washington County
  • Multnomah County
  • Tillamook County
  • Clackamas County
  • Polk County

Well water in Columbia County

Useful context before you call a contractor here.

28%of households in Columbia County drink from a private well (est.)
120 to 300 feet; the median of 1,391 new domestic wells reported to OWRD since 2000 is 200 feettypical private well depth
Requiredwater test when a home with a well is sold in Oregon
Open the Columbia County well guide

Typical costs for these services

National ranges to help you read a quote. They are not prices from McMullen Well Drilling Corp; ask for a written estimate.

Submersible pump replacement$1,000 to $2,500installed; deep wells cost more
Pressure tank replacement$800 to $1,500installed
New well, complete$6,000 to $16,000typical 200 ft well with pump; drilling alone about $20 to $30 per foot; deeper wells cost more
Shock chlorination$80 to $200by a contractor; under $30 to do yourself

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

Before you hire

  1. 1

    Confirm the license

    Look up license 1480 on the Oregon state lookup and make sure it is active for the work you need. Open the Oregon 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 McMullen Well Drilling Corp

Is McMullen Well Drilling Corp licensed?

Yes. The Oregon record shows license 1480 (well drilling) with the status "active", last checked on September 30, 2026. You can confirm it on the state lookup.

What services does McMullen Well Drilling Corp offer?

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

What areas does McMullen Well Drilling Corp serve?

The business is based in Columbia County (Saint Helens, OR). The state record lists 7 counties, including Columbia County, Clatsop County, Washington County, Multnomah County and Tillamook County.

How do I contact McMullen Well Drilling Corp?

Call (503) 397-2356. The address on the state record is PO BOX 283, Saint Helens, OR 97051.

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