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.
Map Plumbing Inc
Oakland, CA · WC ✓ · 6 mi away
Proof for Map Plumbing Inc
- License
- CSLB 770531
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C16 Fire Protection; C36 Plumbing
- Expires
- Oct 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Oakland, CA · serves California
- Phone
- (415) 760-0286
- Listing
- Built from public records. Not claimed yet, so call them directly.
Marvin Plumbing
Oakland, CA · WC exempt · 6 mi away
Proof for Marvin Plumbing
- License
- CSLB 1142973
- 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
- Oakland, CA · serves California
- Phone
- (510) 328-8368
- Listing
- Built from public records. Not claimed yet, so call them directly.
Master of Tankless Water Heaters
San Ramon, CA · WC exempt · 6 mi away
Proof for Master of Tankless Water Heaters
- License
- CSLB 1094071
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- San Ramon, CA · serves California
- Phone
- (541) 633-0667
- Listing
- Built from public records. Not claimed yet, so call them directly.
Master Plumbing Solutions Inc
Oakland, CA · WC ✓ · 10 mi away
Proof for Master Plumbing Solutions Inc
- License
- CSLB 1154868
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- May 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Oakland, CA · serves California
- Phone
- (510) 381-1609
- Listing
- Built from public records. Not claimed yet, so call them directly.
Matheneys Plumbing & Heating
Danville, CA · WC ✓ · 9 mi away
Proof for Matheneys Plumbing & Heating
- License
- CSLB 933520
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing; C42 Sanitation System
- Expires
- Jun 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Danville, CA · serves California
- Phone
- (925) 362-9814
- Listing
- Built from public records. Not claimed yet, so call them directly.
Mcm Plumbing
San Leandro, CA · WC ✓ · 6 mi away
Proof for Mcm Plumbing
- License
- CSLB 1043312
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Oct 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Leandro, CA · serves California
- Phone
- (415) 589-9278
- Listing
- Built from public records. Not claimed yet, so call them directly.
Modern Hydronics
Oakland, CA · WC exempt · 10 mi away
Proof for Modern Hydronics
- License
- CSLB 1044968
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C4 Boiler, Hot Water Heating and Steam Fitting
- Expires
- May 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Oakland, CA · serves California
- Phone
- (510) 239-8844
- Listing
- Built from public records. Not claimed yet, so call them directly.
Monarch Plumbing and Rooter Inc
Hayward, CA · 5 mi away
Proof for Monarch Plumbing and Rooter Inc
- USDOT registration
- US-DOT 3375303
- Issuer
- US-DOT
- Status
- Active
- Class
- Private motor carrier
- Checked
- Oct 23, 2026
- Where
- Hayward, CA · serves California
- Phone
- (510) 398-8478
- Listing
- Built from public records. Not claimed yet, so call them directly.
Monarch Plumbing and Rooter Inc
Hayward, CA · WC ✓ · 6 mi away
Proof for Monarch Plumbing and Rooter Inc
- License
- CSLB 1014475
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing; C42 Sanitation System
- Expires
- May 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Hayward, CA · serves California
- Phone
- (510) 398-8478
- Listing
- Built from public records. Not claimed yet, so call them directly.
Monterey Mechanical Co
Oakland, CA · WC ✓ · 9 mi away
Proof for Monterey Mechanical Co
- License
- CSLB 388361
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C4 Boiler, Hot Water Heating and Steam Fitting; C12 Earthwork and Paving; C16 Fire Protection; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing; C42 Sanitation System; C43 Sheet Metal
- Expires
- Mar 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Oakland, CA · serves California
- Phone
- (510) 632-3173
- Listing
- Built from public records. Not claimed yet, so call them directly.
Mr Rooter Plumbing
Oakland, CA · WC ✓ via leasing firm · 9 mi away
Proof for Mr Rooter Plumbing
- License
- CSLB 453536
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing; C42 Sanitation System
- Expires
- Apr 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Covered through an employee leasing firm
- Where
- Oakland, CA · serves California
- Phone
- (510) 843-6378
- Listing
- Built from public records. Not claimed yet, so call them directly.
New Era Rooting & Plumbling
Oakland, CA · WC ✓ · 7 mi away
Proof for New Era Rooting & Plumbling
- License
- CSLB 1085896
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Jan 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Oakland, CA · serves California
- Phone
- (510) 589-7303
- Listing
- Built from public records. Not claimed yet, so call them directly.
New Generation Plumbing
San Leandro, CA · WC exempt · 6 mi away
Proof for New Generation Plumbing
- License
- CSLB 1082723
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Oct 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- San Leandro, CA · serves California
- Phone
- (408) 428-2985
- Listing
- Built from public records. Not claimed yet, so call them directly.
New Leaf Plumbing & Drains LLC
Union City, CA · WC exempt · 8 mi away
Proof for New Leaf Plumbing & Drains LLC
- License
- CSLB 1141732
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Aug 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Union City, CA · serves California
- Phone
- (510) 461-5595
- Listing
- Built from public records. Not claimed yet, so call them directly.
Next Level Plumbing Services
Union City, CA · WC ✓ · 8 mi away
Proof for Next Level Plumbing Services
- License
- CSLB 1084094
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Union City, CA · serves California
- Phone
- (650) 532-4866
- Listing
- Built from public records. Not claimed yet, so call them directly.
Niko's Plumbing
San Ramon, CA · WC ✓ · 9 mi away
Proof for Niko's Plumbing
- License
- CSLB 1111130
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Oct 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Ramon, CA · serves California
- Phone
- (925) 655-7384
- Listing
- Built from public records. Not claimed yet, so call them directly.
Oakland Rooter Plumbing Inc
Oakland, CA · WC ✓ · 10 mi away
Proof for Oakland Rooter Plumbing Inc
- License
- CSLB 965873
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Oct 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Oakland, CA · serves California
- Phone
- (510) 479-1129
- Listing
- Built from public records. Not claimed yet, so call them directly.
Ocean Plumbing
Oakland, CA · WC exempt · 9 mi away
Proof for Ocean Plumbing
- License
- CSLB 1133912
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Mar 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Oakland, CA · serves California
- Phone
- (510) 829-5135
- Listing
- Built from public records. Not claimed yet, so call them directly.
Olsson Plumbing Company
Danville, CA · WC ✓ · 9 mi away
Proof for Olsson Plumbing Company
- License
- CSLB 443706
- 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; C36 Plumbing; C42 Sanitation System; C43 Sheet Metal
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Danville, CA · serves California
- Phone
- (510) 522-2442
- Listing
- Built from public records. Not claimed yet, so call them directly.
On R Way Plumbing LLC
Hayward, CA · WC exempt · 5 mi away
Proof for On R Way Plumbing LLC
- License
- CSLB 1036700
- 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
- Hayward, CA · serves California
- Phone
- (415) 794-1331
- 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.