A – 1 Drilling & Pump Inc
License 950761 Active
- Pump Installation
- Pump Repair
- Well Abandonment
- Well Drilling
- Well Repair
Grewe Bryant Pump Service is a well drilling and pump installation contractor based in Rosamond, CA (Kern County). The California licensing program lists license 625268 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 3 counties where the business works, including Kern County, Los Angeles County and San Bernardino 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.
Check this license yourself on the official California lookup.
Holds an active California C-57 Well Drilling contractor license (CSLB license 625268, sole owner, first issued 1991, current through 2028-07-31). The C-57 classification covers drilling, casing, cleaning, repairing and destroying water wells and installing and repairing well pumps. Also licensed as: C-10 electrical, D-21 machinery and pumps. Filed 6 well completion reports with the Department of Water Resources since 2016 (2 new wells, 4 of them domestic supply; 3 well destructions), most recently in June 2026, mostly in Kern, Los Angeles and San Bernardino counties.
What the California record says Grewe Bryant Pump Service is licensed or registered to do.
Setting a new submersible or jet pump with the pressure tank, switch and controls.
Tracking down low pressure, short cycling or no water, then repairing or replacing parts of the pump system.
Sealing an unused well to state standards so it cannot carry surface water down into the aquifer.
Drilling a new private well, setting the casing and grouting it the way state rules require.
Fixing casings, caps, pitless adapters and other parts of an existing well.
Based in Kern County, California. The state record lists 3 counties.
Approximate location (Kern County)Counties on the state record
Useful context before you call a contractor here.
National ranges to help you read a quote. They are not prices from Grewe Bryant Pump Service; ask for a written estimate.
Look up license 625268 on the California state lookup and make sure it is active for the work you need. Open the California lookup.
Ask for the scope, parts, depth or pump size, permit fees and warranty in writing. Compare two or three quotes for big jobs.
New wells and many repairs are reported to the state. Ask who files the paperwork and for a copy of the well log.
Any work on a well can disturb bacteria. Test for coliform bacteria once the job is done.
Yes. The California record shows license 625268 (well drilling and pump installation) with the status "active", last checked on September 29, 2026. You can confirm it on the state lookup.
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.
The business is based in Kern County (Rosamond, CA). The state record lists 3 counties, including Kern County, Los Angeles County and San Bernardino County.
Call (661) 256-2117 and visit their website. The address on the state record is P O BOX 1378, Rosamond, CA 93560.
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