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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.
Malcolm Drilling Company Inc
San Francisco, CA · WC ✓ · 19 mi away
Proof for Malcolm Drilling Company Inc
- License
- CSLB 259543
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C57 Well Drilling; D09 Drilling, Blasting and Oil Field Work
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Francisco, CA · serves California
- Phone
- (415) 901-4400
- Listing
- Built from public records. Not claimed yet, so call them directly.
Malcolm/Silverado a Joint Venture
San Francisco, CA · WC exempt · 19 mi away
Proof for Malcolm/Silverado a Joint Venture
- License
- CSLB 1004080
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; ASB Asbestos Certification; B General Building; C21 Building Moving/Demolition; C57 Well Drilling; D09 Drilling, Blasting and Oil Field Work; HAZ Hazardous Substance Removal
- Expires
- Oct 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- San Francisco, CA · serves California
- Phone
- (415) 901-4400
- Listing
- Built from public records. Not claimed yet, so call them directly.
Modern Technology Resources Inc
San Francisco, CA · WC exempt · 17 mi away
Proof for Modern Technology Resources Inc
- License
- CSLB 965267
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C27 Landscaping; C36 Plumbing; C57 Well Drilling; HAZ Hazardous Substance Removal
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- San Francisco, CA · serves California
- Phone
- (415) 602-2290
- Listing
- Built from public records. Not claimed yet, so call them directly.
Pitcher Services LLC
East Palo Alto, CA · WC ✓ · 18 mi away
Proof for Pitcher Services LLC
- License
- CSLB 1044895
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C57 Well Drilling
- Expires
- Sep 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- East Palo Alto, CA · serves California
- Phone
- (650) 531-8986
- Listing
- Built from public records. Not claimed yet, so call them directly.
Storesund Construction Inc
Kensington, CA · WC ✓ · 18 mi away
Proof for Storesund Construction Inc
- License
- CSLB 1069275
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C57 Well Drilling
- Expires
- Sep 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Kensington, CA · serves California
- Phone
- (510) 526-5849
- Listing
- Built from public records. Not claimed yet, so call them directly.
Weiss Associates
Berkeley, CA · WC ✓ · 17 mi away
Proof for Weiss Associates
- License
- CSLB 606481
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C57 Well Drilling; HAZ Hazardous Substance Removal
- Expires
- Nov 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Berkeley, CA · serves California
- Phone
- (510) 450-6165
- Listing
- Built from public records. Not claimed yet, so call them directly.
Adept Construction Solutions Inc
San Francisco, CA · WC exempt · 23 mi away
Proof for Adept Construction Solutions Inc
- License
- CSLB 1011699
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C57 Well Drilling; HAZ Hazardous Substance Removal
- Expires
- Mar 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- San Francisco, CA · serves California
- Phone
- (415) 602-2290
- Listing
- Built from public records. Not claimed yet, so call them directly.
Aec Drilling Corp
Milpitas, CA · WC exempt · 21 mi away
Proof for Aec Drilling Corp
- License
- CSLB 1063911
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C57 Well Drilling
- Expires
- Mar 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Milpitas, CA · serves California
- Phone
- (408) 458-5305
- Listing
- Built from public records. Not claimed yet, so call them directly.
Clearwater Group
Point Richmond, CA · WC ✓ · 25 mi away
Proof for Clearwater Group
- License
- CSLB 799370
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; ASB Asbestos Certification; B General Building; C57 Well Drilling; HAZ Hazardous Substance Removal
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Point Richmond, CA · serves California
- Phone
- (510) 307-9943
- Listing
- Built from public records. Not claimed yet, so call them directly.
Conetec Inc
Richmond, CA · WC ✓ · 25 mi away
Proof for Conetec Inc
- License
- CSLB 1049248
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C57 Well Drilling
- Expires
- Jan 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Richmond, CA · serves California
- Phone
- (510) 357-3677
- Listing
- Built from public records. Not claimed yet, so call them directly.
Drill Tech Drilling & Shoring Inc
Antioch, CA · WC ✓ · 24 mi away
Proof for Drill Tech Drilling & Shoring Inc
- License
- CSLB 745354
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C57 Well Drilling; D30 Pile Driving and Pressure Foundation Jacking; HAZ Hazardous Substance Removal
- Expires
- Jan 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Antioch, CA · serves California
- Phone
- (925) 978-2060
- Listing
- Built from public records. Not claimed yet, so call them directly.
Martell Water Systems Inc
Pittsburg, CA · WC ✓ · 22 mi away
Proof for Martell Water Systems Inc
- License
- CSLB 510952
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C57 Well Drilling; D21 Machinery and Pumps
- Expires
- May 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Pittsburg, CA · serves California
- Phone
- (925) 432-4282
- Listing
- Built from public records. Not claimed yet, so call them directly.
Nex Concierge Inc
Milpitas, CA · WC exempt · 21 mi away
Proof for Nex Concierge Inc
- License
- CSLB 998397
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C57 Well Drilling; D06 Concrete Related Services
- Expires
- Nov 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Milpitas, CA · serves California
- Phone
- (650) 353-7784
- Listing
- Built from public records. Not claimed yet, so call them directly.
American Construction and Supply Inc
Corte Madera, CA · WC ✓ · 29 mi away
Proof for American Construction and Supply Inc
- License
- CSLB 310599
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C10 Electrical; C57 Well Drilling
- Expires
- Mar 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Corte Madera, CA · serves California
- Phone
- (415) 927-2024
- Listing
- Built from public records. Not claimed yet, so call them directly.
Blaine Tech Services Inc
San Jose, CA · WC ✓ · 27 mi away
Proof for Blaine Tech Services Inc
- License
- CSLB 746684
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C31 Construction Zone Traffic Control; C57 Well Drilling
- Expires
- Mar 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Jose, CA · serves California
- Phone
- (408) 573-0555
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dirtmarket LLC
San Jose, CA · WC ✓ · 28 mi away
Proof for Dirtmarket LLC
- License
- CSLB 1052786
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C57 Well Drilling
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Jose, CA · serves California
- Phone
- (408) 262-1418
- Listing
- Built from public records. Not claimed yet, so call them directly.
Environmental Testing
San Jose, CA · WC exempt · 27 mi away
Proof for Environmental Testing
- License
- CSLB 716002
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C57 Well Drilling; HAZ Hazardous Substance Removal
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- San Jose, CA · serves California
- Phone
- (408) 712-9452
- Listing
- Built from public records. Not claimed yet, so call them directly.
Exploration Geoservices Inc
San Jose, CA · WC ✓ · 26 mi away
Proof for Exploration Geoservices Inc
- License
- CSLB 484288
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C57 Well Drilling
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Jose, CA · serves California
- Phone
- (408) 280-6822
- Listing
- Built from public records. Not claimed yet, so call them directly.
Greguras Francis Robert Jr
Brentwood, CA · WC exempt · 25 mi away
Proof for Greguras Francis Robert Jr
- License
- CSLB 669678
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C57 Well Drilling
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Brentwood, CA · serves California
- Phone
- (925) 899-2167
- Listing
- Built from public records. Not claimed yet, so call them directly.
Reliable Well & Pump Service
Half Moon Bay, CA · WC exempt · 26 mi away
Proof for Reliable Well & Pump Service
- License
- CSLB 790678
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C57 Well Drilling
- Expires
- Jan 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Half Moon Bay, CA · serves California
- Phone
- (650) 726-7269
- Listing
- Built from public records. Not claimed yet, so call them directly.
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