Verified license

Oasis Drilling – Union Gap

Union Gap, WA · Yakima CountyWell drilling

Call (509) 453-4406
DirectionsEmail
License status
Active
checked September 29, 2026
License number
2927
Washington record
Services
3
Well Abandonment and more
Counties served
2
on the state record

About Oasis Drilling – Union Gap

Oasis Drilling – Union Gap is a well drilling contractor based in Union Gap, WA (Yakima County). The Washington licensing program lists license 2927 as active, and we last checked the record on September 29, 2026.

The state record covers well abandonment, well drilling and well repair. It lists 2 counties where the business works, including Yakima County and Benton County.

This profile is built from public state license records checked on September 29, 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
2927
License type
Well drilling
Status
Active
Expires
February 7, 2028
Last verified
September 29, 2026

Check this license yourself on the official Washington lookup.

What the state record says

Ecology-licensed water well drillers at this company: Derrick Rank (license 2927, through 2028-02-07); Jerry L Rank (license 1435, through 2026-12-17). The Ecology license covers constructing, altering and decommissioning water wells under chapter 173-160 WAC; pump installation is not licensed by the state. Filed 319 water well reports with Ecology since 2016, most recently in September 2026, mostly in Yakima and Benton counties. Also filed 37 reports for other well types (monitoring, geotechnical, decommissioning).

Services

What the Washington record says Oasis Drilling – Union Gap 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 Yakima County, Washington. The state record lists 2 counties.

Approximate location (Yakima County)Counties on the state record

  • Yakima County
  • Benton County

Well water in Yakima County

Useful context before you call a contractor here.

25%of households in Yakima County drink from a private well (est.)
Not statewidewater test when a home with a well is sold: no statewide rule in Washington, but some local areas require one
Open the Yakima County well guide

Typical costs for these services

National ranges to help you read a quote. They are not prices from Oasis Drilling – Union Gap; ask for a written estimate.

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 2927 on the Washington state lookup and make sure it is active for the work you need. Open the Washington 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 Oasis Drilling – Union Gap

Is Oasis Drilling – Union Gap licensed?

Yes. The Washington record shows license 2927 (well drilling) with the status "active", last checked on September 29, 2026. You can confirm it on the state lookup.

What services does Oasis Drilling – Union Gap 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 Oasis Drilling – Union Gap serve?

The business is based in Yakima County (Union Gap, WA). The state record lists 2 counties, including Yakima County and Benton County.

How do I contact Oasis Drilling – Union Gap?

Call (509) 453-4406 and email them. The address on the state record is 2017 S 16th Ave, Union Gap, WA 98903.

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