Verified license

Reliable Well & Pump Service

Half Moon Bay, CA · San Mateo CountyWell drilling and pump installation

Call (650) 726-7269
License status
Active
checked September 29, 2026
License number
790678
California record
Services
5
Pump Installation and more
Counties served
1
on the state record

About Reliable Well & Pump Service

Reliable Well & Pump Service is a well drilling and pump installation contractor based in Half Moon Bay, CA (San Mateo County). The California licensing program lists license 790678 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 1 county where the business works, including San Mateo 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
790678
License type
Well drilling and pump installation
Status
Active
Expires
January 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 790678, sole owner, first issued 2001, current through 2027-01-31). The C-57 classification covers drilling, casing, cleaning, repairing and destroying water wells and installing and repairing well pumps. Filed 31 well completion reports with the Department of Water Resources since 2016 (0 new wells, 21 of them domestic supply; 31 well destructions), most recently in April 2026, mostly in San Mateo County.

Services

What the California record says Reliable Well & Pump Service 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 San Mateo County, California. The state record lists 1 county.

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

  • San Mateo County

Well water in San Mateo County

Useful context before you call a contractor here.

3%of households in San Mateo County drink from a private well (est.)
160 to 330 feet; the median of 364 domestic wells reported to DWR since 2000 is 240 feettypical private well depth
Not requiredwater test when a home with a well is sold in California
Open the San Mateo County well guide

Typical costs for these services

National ranges to help you read a quote. They are not prices from Reliable Well & Pump Service; ask for a written estimate.

Submersible pump replacement$1,200 to $4,500parts and labor
Pressure tank replacement$400 to $1,200installed
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 790678 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 Reliable Well & Pump Service

Is Reliable Well & Pump Service licensed?

Yes. The California record shows license 790678 (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 Reliable Well & Pump Service 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 Reliable Well & Pump Service serve?

The business is based in San Mateo County (Half Moon Bay, CA). The state record lists 1 county, including San Mateo County.

How do I contact Reliable Well & Pump Service?

Call (650) 726-7269. The address on the state record is P O BOX 3186, Half Moon Bay, CA 94019.

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