Verified license

Ash Fred & Sons Lynch Pump Co

San Martin, CA · Santa Clara CountyWell drilling and pump installation

Call (408) 840-1731
Directions
License status
Active
checked September 29, 2026
License number
408285
California record
Services
6
Pump Installation and more
Counties served
3
on the state record

About Ash Fred & Sons Lynch Pump Co

Ash Fred & Sons Lynch Pump Co is a well drilling and pump installation contractor based in San Martin, CA (Santa Clara County). The California licensing program lists license 408285 as active, and we last checked the record on September 29, 2026.

The state record covers pump installation, pump repair, water treatment, well abandonment, well drilling and well repair. It lists 3 counties where the business works, including Santa Clara County, San Benito County and Monterey 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
408285
License type
Well drilling and pump installation
Status
Active
Expires
July 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 408285, sole owner, first issued 1981, current through 2027-07-31). The C-57 classification covers drilling, casing, cleaning, repairing and destroying water wells and installing and repairing well pumps. Also licensed as: D-21 machinery and pumps, C-36 plumbing. Filed 54 well completion reports with the Department of Water Resources since 2016 (40 new wells, 34 of them domestic supply; 14 well destructions), most recently in May 2026, mostly in Santa Clara, San Benito and Monterey counties.

Services

What the California record says Ash Fred & Sons Lynch Pump Co 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.

Water Treatment

Sizing and installing softeners, iron filters, UV and reverse osmosis based on a lab test.

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 Clara County, California. The state record lists 3 counties.

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

  • Santa Clara County
  • San Benito County
  • Monterey County

Well water in Santa Clara County

Useful context before you call a contractor here.

2%of households in Santa Clara County drink from a private well (est.)
230 to 400 feet; the median of 1,315 domestic wells reported to DWR since 2000 is 300 feettypical private well depth
Not requiredwater test when a home with a well is sold in California
Open the Santa Clara County well guide

Typical costs for these services

National ranges to help you read a quote. They are not prices from Ash Fred & Sons Lynch Pump Co; ask for a written estimate.

Submersible pump replacement$1,200 to $4,500parts and labor
Pressure tank replacement$400 to $1,200installed
Whole-house treatment system$800 to $6,000softener, iron filter, UV, RO
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 408285 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 Ash Fred & Sons Lynch Pump Co

Is Ash Fred & Sons Lynch Pump Co licensed?

Yes. The California record shows license 408285 (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 Ash Fred & Sons Lynch Pump Co offer?

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

What areas does Ash Fred & Sons Lynch Pump Co serve?

The business is based in Santa Clara County (San Martin, CA). The state record lists 3 counties, including Santa Clara County, San Benito County and Monterey County.

How do I contact Ash Fred & Sons Lynch Pump Co?

Call (408) 840-1731. The address on the state record is 13245 Monterey Road, San Martin, CA 95046.

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