Verified license

Mauldins Well Service

Friday Harbor, WA · San Juan CountyWell drilling

Call (360) 378-6975
License status
Active
checked September 29, 2026
License number
2410
Washington record
Services
3
Well Abandonment and more
Counties served
1
on the state record

About Mauldins Well Service

Mauldins Well Service is a well drilling contractor based in Friday Harbor, WA (San Juan County). The Washington licensing program lists license 2410 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 1 county where the business works, including San Juan 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
2410
License type
Well drilling
Status
Active
Expires
December 12, 2026
Last verified
September 29, 2026

Check this license yourself on the official Washington lookup.

What the state record says

Holds an active Washington water well operator license from the Department of Ecology (license 2410), current through 2026-12-12. Works for Mauldins Well Service. The Ecology license covers constructing, altering and decommissioning water wells under chapter 173-160 WAC; pump installation is not licensed by the state. Filed 158 water well reports with Ecology since 2016, most recently in May 2026, mostly in San Juan County. Also filed 14 reports for other well types (monitoring, geotechnical, decommissioning).

Services

What the Washington record says Mauldins Well Service 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 San Juan County, Washington. The state record lists 1 county.

Approximate location (San Juan County)Counties on the state record

  • San Juan County

Well water in San Juan County

Useful context before you call a contractor here.

54%of households in San Juan County drink from a private well (est.)
Not requiredwater test when a home with a well is sold in Washington
Open the San Juan County well guide

Typical costs for these services

National ranges to help you read a quote. They are not prices from Mauldins Well Service; 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 2410 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 Mauldins Well Service

Is Mauldins Well Service licensed?

Yes. The Washington record shows license 2410 (well drilling) with the status "active", last checked on September 29, 2026. You can confirm it on the state lookup.

What services does Mauldins Well Service 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 Mauldins Well Service serve?

The business is based in San Juan County (Friday Harbor, WA). The state record lists 1 county, including San Juan County.

How do I contact Mauldins Well Service?

Call (360) 378-6975. The address on the state record is PO BOX 2960, Friday Harbor, WA 98250.

Other licensed contractors near Friday Harbor