you asked:
Plumbers in Castro Valley, CA
23 plumbers in Castro Valley, CA. Every listing checked against the issuer's record, in the published order.
Central O Plumbing
Hayward, CA · WC exempt · 6 mi away
Proof for Central O Plumbing
- License
- CSLB 1122839
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Hayward, CA · serves California
- Phone
- (510) 980-0971
- Listing
- Built from public records. Not claimed yet, so call them directly.
Chatfield Plumbing
Oakland, CA · WC exempt · 6 mi away
Proof for Chatfield Plumbing
- License
- CSLB 979416
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Dec 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Oakland, CA · serves California
- Phone
- (415) 235-8438
- Listing
- Built from public records. Not claimed yet, so call them directly.
Chou Andrew Chih-Ping
Union City, CA · WC exempt · 8 mi away
Proof for Chou Andrew Chih-Ping
- License
- CSLB 583765
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C16 Fire Protection; C36 Plumbing
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Union City, CA · serves California
- Phone
- (510) 415-9688
- Listing
- Built from public records. Not claimed yet, so call them directly.
Chou Property Management Corp
Union City, CA · WC exempt · 8 mi away
Proof for Chou Property Management Corp
- License
- CSLB 979695
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C16 Fire Protection; C36 Plumbing
- Expires
- Dec 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Union City, CA · serves California
- Phone
- (510) 415-8688
- Listing
- Built from public records. Not claimed yet, so call them directly.
Chris' Plumbing Inc
Hayward, CA · WC ✓ via leasing firm · 6 mi away
Proof for Chris' Plumbing Inc
- License
- CSLB 795046
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C4 Boiler, Hot Water Heating and Steam Fitting; C16 Fire Protection; C36 Plumbing
- Expires
- May 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Covered through an employee leasing firm
- Where
- Hayward, CA · serves California
- Phone
- (510) 346-8402
- Listing
- Built from public records. Not claimed yet, so call them directly.
Climatecare Boiler Works
Hayward, CA · WC ✓ · 6 mi away
Proof for Climatecare Boiler Works
- License
- CSLB 1126949
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C4 Boiler, Hot Water Heating and Steam Fitting; C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Sep 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Hayward, CA · serves California
- Phone
- (510) 244-7566
- Listing
- Built from public records. Not claimed yet, so call them directly.
Comfort Dynamics Inc
San Leandro, CA · WC ✓ · 6 mi away
Proof for Comfort Dynamics Inc
- License
- CSLB 768923
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing; C46 Solar
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Leandro, CA · serves California
- Phone
- (510) 352-8501
- Listing
- Built from public records. Not claimed yet, so call them directly.
Core Construction Builders and Associates Inc
San Ramon, CA · WC ✓ · 6 mi away
Proof for Core Construction Builders and Associates Inc
- License
- CSLB 1068729
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing
- Expires
- Sep 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Ramon, CA · serves California
- Phone
- (925) 984-5156
- Listing
- Built from public records. Not claimed yet, so call them directly.
Cost U Less Plumbing and Drain
San Leandro, CA · WC exempt · 6 mi away
Proof for Cost U Less Plumbing and Drain
- License
- CSLB 989330
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- San Leandro, CA · serves California
- Phone
- (510) 866-1099
- Listing
- Built from public records. Not claimed yet, so call them directly.
Covert Water Heaters Inc
Hayward, CA · WC exempt · 5 mi away
Proof for Covert Water Heaters Inc
- License
- CSLB 1144269
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Hayward, CA · serves California
- Phone
- (510) 755-8320
- Listing
- Built from public records. Not claimed yet, so call them directly.
Crayton Plumbing
Oakland, CA · WC exempt · 7 mi away
Proof for Crayton Plumbing
- License
- CSLB 909898
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Jan 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Oakland, CA · serves California
- Phone
- (510) 692-1505
- Listing
- Built from public records. Not claimed yet, so call them directly.
Csb Plumbing
San Ramon, CA · WC exempt · 9 mi away
Proof for Csb Plumbing
- License
- CSLB 1136765
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- San Ramon, CA · serves California
- Phone
- (925) 698-9436
- Listing
- Built from public records. Not claimed yet, so call them directly.
Custom Stone Bg Inc
San Leandro, CA · WC ✓ · 6 mi away
Proof for Custom Stone Bg Inc
- License
- CSLB 807497
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C29 Masonry; C36 Plumbing
- Expires
- Sep 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Leandro, CA · serves California
- Phone
- (510) 667-0099
- Listing
- Built from public records. Not claimed yet, so call them directly.
Cxc Construction
Danville, CA · WC exempt · 9 mi away
Proof for Cxc Construction
- License
- CSLB 962064
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C36 Plumbing
- Expires
- May 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Danville, CA · serves California
- Phone
- (925) 665-4321
- Listing
- Built from public records. Not claimed yet, so call them directly.
D C Construction
Oakland, CA · WC ✓ · 10 mi away
Proof for D C Construction
- License
- CSLB 498901
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C10 Electrical; C36 Plumbing
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Oakland, CA · serves California
- Phone
- (510) 536-1068
- Listing
- Built from public records. Not claimed yet, so call them directly.
D V Construction
Oakland, CA · WC exempt · 10 mi away
Proof for D V Construction
- License
- CSLB 635540
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C36 Plumbing
- Expires
- Dec 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Oakland, CA · serves California
- Phone
- (510) 213-1088
- Listing
- Built from public records. Not claimed yet, so call them directly.
D W Nicholson Corporation
Hayward, CA · WC ✓ · 6 mi away
Proof for D W Nicholson Corporation
- License
- CSLB 68847
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C4 Boiler, Hot Water Heating and Steam Fitting; C8 Concrete; C10 Electrical; C11 Elevator; C16 Fire Protection; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing; C51 Structural Steel; D21 Machinery and Pumps; D28 Doors, Gates and Activating Devices
- Expires
- Mar 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Hayward, CA · serves California
- Phone
- (510) 887-0900
- Listing
- Built from public records. Not claimed yet, so call them directly.
Daniel's Heating & A/C
Oakland, CA · WC ✓ · 9 mi away
Proof for Daniel's Heating & A/C
- License
- CSLB 1059101
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing
- Expires
- Oct 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Oakland, CA · serves California
- Phone
- (510) 692-5718
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dasom Builder
Dublin, CA · WC ✓ · 9 mi away
Proof for Dasom Builder
- License
- CSLB 1080712
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C10 Electrical; C36 Plumbing
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Dublin, CA · serves California
- Phone
- (925) 895-1975
- Listing
- Built from public records. Not claimed yet, so call them directly.
Detail Drywall & Stucco Inc
Hayward, CA · WC ✓ · 6 mi away
Proof for Detail Drywall & Stucco Inc
- License
- CSLB 1032948
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C9 Drywall; C35 Lathing and Plastering; C36 Plumbing
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Hayward, CA · serves California
- Phone
- (415) 810-4902
- Listing
- Built from public records. Not claimed yet, so call them directly.
More cities in California
Free for people · nobody pays to rank. Run one of these businesses? Claim it free.