Verified license

Cenozoic Exploration

Aptos, CA · Santa Cruz CountyWell drilling and pump installation

Call (831) 689-9222
WebsiteDirections
License status
Active
checked September 29, 2026
License number
682910
California record
Services
5
Pump Installation and more
Counties served
4
on the state record

About Cenozoic Exploration

Cenozoic Exploration is a well drilling and pump installation contractor based in Aptos, CA (Santa Cruz County). The California licensing program lists license 682910 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 4 counties where the business works, including Alameda County, San Mateo 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
682910
License type
Well drilling and pump installation
Status
Active
Expires
December 31, 2027
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 682910, sole owner, first issued 1993, current through 2027-12-31). The C-57 classification covers drilling, casing, cleaning, repairing and destroying water wells and installing and repairing well pumps. Filed 16 well completion reports with the Department of Water Resources since 2016 (16 new wells), most recently in October 2019, mostly in Alameda, San Mateo and Contra Costa counties.

Services

What the California record says Cenozoic Exploration 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 Santa Cruz County, California. The state record lists 4 counties.

Approximate location (Santa Cruz County)Counties on the state record

  • Alameda County
  • San Mateo County
  • Contra Costa County
  • Santa Clara County

Well water in Santa Cruz County

Useful context before you call a contractor here.

10%of households in Santa Cruz County drink from a private well (est.)
260 to 480 feet; the median of 880 domestic wells reported to DWR since 2000 is 340 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 Santa Cruz County well guide

Typical costs for these services

National ranges to help you read a quote. They are not prices from Cenozoic Exploration; 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.

Certified labs nearby

Test your water before and after any work on the well.

Santa Cruz County – Health Services Agency – Environmental HealthSanta Cruz, CA · 4.5 miBracewell Engineering, Inc.Morgan Hill, CA · 18.7 miCM Analytical, Inc.Gilroy, CA · 21.1 mi
All labs near here

Before you hire

  1. 1

    Confirm the license

    Look up license 682910 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 Cenozoic Exploration

Is Cenozoic Exploration licensed?

Yes. The California record shows license 682910 (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 Cenozoic Exploration 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 Cenozoic Exploration serve?

The business is based in Santa Cruz County (Aptos, CA). The state record lists 4 counties, including Alameda County, San Mateo County, Contra Costa County and Santa Clara County.

How do I contact Cenozoic Exploration?

Call (831) 689-9222 and visit their website. The address on the state record is 2090 Cox Road, Aptos, CA 95003.

Other licensed contractors near Aptos