Verified license

Hennings Bros Drilling Co Inc

Modesto, CA · Stanislaus CountyWell drilling and pump installation

Call (209) 545-1185
WebsiteDirections
License status
Active
checked September 29, 2026
License number
290813
California record
Services
5
Pump Installation and more
Counties served
7
on the state record

About Hennings Bros Drilling Co Inc

Hennings Bros Drilling Co Inc is a well drilling and pump installation contractor based in Modesto, CA (Stanislaus County). The California licensing program lists license 290813 as active, and we last checked the record on September 29, 2026.

The state record covers pump installation, pump repair, well abandonment, well drilling and well repair. It lists 7 counties where the business works, including San Joaquin County, Stanislaus County and Contra Costa 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
290813
License type
Well drilling and pump installation
Status
Active
Expires
May 31, 2028
Last verified
September 29, 2026

Check this license yourself on the official California lookup.

What the state record says

Holds an active California C-57 Well Drilling contractor license (CSLB license 290813, corporation, first issued 1974, current through 2028-05-31). The C-57 classification covers drilling, casing, cleaning, repairing and destroying water wells and installing and repairing well pumps. Filed 504 well completion reports with the Department of Water Resources since 2016 (310 new wells, 352 of them domestic supply; 194 well destructions), most recently in August 2026, mostly in San Joaquin, Stanislaus and Contra Costa counties.

Services

What the California record says Hennings Bros Drilling Co Inc 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.

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 Stanislaus County, California. The state record lists 7 counties.

Approximate location (Stanislaus County)Counties on the state record

  • San Joaquin County
  • Stanislaus County
  • Contra Costa County
  • Merced County
  • Sacramento County
  • Alameda County
  • Solano County

Well water in Stanislaus County

Useful context before you call a contractor here.

9%of households in Stanislaus County drink from a private well (est.)
180 to 280 feet; the median of 2,818 domestic wells reported to DWR since 2000 is 230 feettypical private well depth
Not statewidewater test when a home with a well is sold: no statewide rule in California, but some local areas require one
Open the Stanislaus County well guide

Typical costs for these services

National ranges to help you read a quote. They are not prices from Hennings Bros Drilling Co Inc; 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 290813 on the California state lookup and make sure it is active for the work you need. Open the California 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 Hennings Bros Drilling Co Inc

Is Hennings Bros Drilling Co Inc licensed?

Yes. The California record shows license 290813 (well drilling and pump installation) with the status "active", last checked on September 29, 2026. You can confirm it on the state lookup.

What services does Hennings Bros Drilling Co Inc offer?

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

What areas does Hennings Bros Drilling Co Inc serve?

The business is based in Stanislaus County (Modesto, CA). The state record lists 7 counties, including San Joaquin County, Stanislaus County, Contra Costa County, Merced County and Sacramento County.

How do I contact Hennings Bros Drilling Co Inc?

Call (209) 545-1185 and visit their website. The address on the state record is 1930 Ladd Rd, Modesto, CA 95356.

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