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Well drilling contractors in Castro Valley, CA
Well drilling contractors in Castro Valley, CA; 42 within 30 miles. Every listing checked against the issuer's record, in the published order.
Tavares Plumbing and Pumps
Santa Clara, CA · WC exempt · 25 mi away
Proof for Tavares Plumbing and Pumps
- License
- CSLB 1100508
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing; C57 Well Drilling
- Expires
- Jan 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Santa Clara, CA · serves California
- Phone
- (408) 472-2018
- Listing
- Built from public records. Not claimed yet, so call them directly.
Welltest Inc
San Jose, CA · WC ✓ · 30 mi away
Proof for Welltest Inc
- License
- CSLB 1100880
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C57 Well Drilling; D04 Central Vacuum Systems; D21 Machinery and Pumps; D56 Trenching Only; HAZ Hazardous Substance Removal
- Expires
- Jan 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Jose, CA · serves California
- Phone
- (408) 460-1884
- Listing
- Built from public records. Not claimed yet, so call them directly.
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