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Plumbers in Diamond Bar, CA
30 plumbers in Diamond Bar, CA. Every listing checked against the issuer's record, in the published order.
Jensen Alan
Brea, CA · WC exempt · 5 mi away
Proof for Jensen Alan
- License
- CSLB 787211
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Nov 30, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Brea, CA · serves California
- Phone
- (562) 712-0524
- Listing
- Built from public records. Not claimed yet, so call them directly.
Jetline Plumbing
Hacienda Heights, CA · WC exempt · 9 mi away
Proof for Jetline Plumbing
- License
- CSLB 1079998
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C36 Plumbing
- Expires
- Aug 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Hacienda Heights, CA · serves California
- Phone
- (562) 386-5463
- Listing
- Built from public records. Not claimed yet, so call them directly.
Jjj Plumbing Inc
West Covina, CA · WC ✓ · 6 mi away
Proof for Jjj Plumbing Inc
- License
- CSLB 842875
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Jun 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- West Covina, CA · serves California
- Phone
- (323) 422-8414
- Listing
- Built from public records. Not claimed yet, so call them directly.
Jjj Plumbing Inc
West Covina, CA · 6 mi away
Proof for Jjj Plumbing Inc
- USDOT registration
- US-DOT 4472384
- Issuer
- US-DOT
- Status
- Active
- Class
- Private motor carrier
- Checked
- Oct 23, 2026
- Where
- West Covina, CA · serves California
- Phone
- (323) 422-8414
- Listing
- Built from public records. Not claimed yet, so call them directly.
Jnsd Construction Inc
Ontario, CA · WC exempt · 9 mi away
Proof for Jnsd Construction Inc
- License
- CSLB 1080741
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C10 Electrical; C16 Fire Protection; C36 Plumbing
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Ontario, CA · serves California
- Phone
- (323) 378-0109
- Listing
- Built from public records. Not claimed yet, so call them directly.
Joel's Plumbing and Rooter
Yorba Linda, CA · WC ✓ · 7 mi away
Proof for Joel's Plumbing and Rooter
- License
- CSLB 1107028
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Feb 29, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Yorba Linda, CA · serves California
- Phone
- (714) 681-8503
- Listing
- Built from public records. Not claimed yet, so call them directly.
John Plumbing
Covina, CA · WC ✓ · 6 mi away
Proof for John Plumbing
- License
- CSLB 907585
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Covina, CA · serves California
- Phone
- (626) 715-6344
- Listing
- Built from public records. Not claimed yet, so call them directly.
Johnson Construction Inc
Yorba Linda, CA · WC ✓ · 7 mi away
Proof for Johnson Construction Inc
- License
- CSLB 893759
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C7 Low Voltage Systems; C8 Concrete; C10 Electrical; C36 Plumbing
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Yorba Linda, CA · serves California
- Phone
- (562) 708-1520
- Listing
- Built from public records. Not claimed yet, so call them directly.
Johnson Greg Plumbing
Montclair, CA · WC exempt · 8 mi away
Proof for Johnson Greg Plumbing
- License
- CSLB 1044760
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Sep 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Montclair, CA · serves California
- Phone
- (310) 968-5825
- Listing
- Built from public records. Not claimed yet, so call them directly.
Joshua's Plumbing Inc
LA Habra, CA · WC exempt · 9 mi away
Proof for Joshua's Plumbing Inc
- License
- CSLB 926304
- 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
- LA Habra, CA · serves California
- Phone
- (562) 631-0486
- Listing
- Built from public records. Not claimed yet, so call them directly.
Joya Cristian Ivan
LA Puente, CA · WC exempt · 7 mi away
Proof for Joya Cristian Ivan
- License
- CSLB 1113840
- 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
- LA Puente, CA · serves California
- Phone
- (626) 652-5542
- Listing
- Built from public records. Not claimed yet, so call them directly.
Jt Plumbing & Air Conditioning
Chino Hills, CA · WC ✓ · 7 mi away
Proof for Jt Plumbing & Air Conditioning
- License
- CSLB 966368
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; 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
- Chino Hills, CA · serves California
- Phone
- (714) 809-6944
- Listing
- Built from public records. Not claimed yet, so call them directly.
Jt Rooter and Plumbing Services
Covina, CA · WC exempt · 6 mi away
Proof for Jt Rooter and Plumbing Services
- License
- CSLB 918226
- 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
- Covina, CA · serves California
- Phone
- (626) 375-4241
- Listing
- Built from public records. Not claimed yet, so call them directly.
Jubilee Plumbing
Hacienda Heights, CA · WC exempt · 9 mi away
Proof for Jubilee Plumbing
- License
- CSLB 1016933
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Aug 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Hacienda Heights, CA · serves California
- Phone
- (626) 422-8704
- Listing
- Built from public records. Not claimed yet, so call them directly.
K B L Plumbing Systems Inc
Placentia, CA · WC ✓ · 9 mi away
Proof for K B L Plumbing Systems Inc
- License
- CSLB 951679
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C34 Pipeline; C36 Plumbing
- Expires
- Aug 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Placentia, CA · serves California
- Phone
- (909) 592-9111
- Listing
- Built from public records. Not claimed yet, so call them directly.
K O P Construction
West Covina, CA · WC exempt · 8 mi away
Proof for K O P Construction
- License
- CSLB 945246
- 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
- West Covina, CA · serves California
- Phone
- (626) 533-6827
- Listing
- Built from public records. Not claimed yet, so call them directly.
K2 Air
LA Habra, CA · WC ✓ · 9 mi away
Proof for K2 Air
- License
- CSLB 965869
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- LA Habra, CA · serves California
- Phone
- (714) 614-0995
- Listing
- Built from public records. Not claimed yet, so call them directly.
Kasa Construction Inc
Chino, CA · WC ✓ · 8 mi away
Proof for Kasa Construction Inc
- License
- CSLB 927544
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C10 Electrical; C27 Landscaping; C36 Plumbing
- Expires
- Jan 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (909) 457-8260
- Listing
- Built from public records. Not claimed yet, so call them directly.
Kingman Plumbing Heating & Air Inc
City of Industry, CA · WC ✓ · 7 mi away
Proof for Kingman Plumbing Heating & Air Inc
- License
- CSLB 781087
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing
- Expires
- May 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- City of Industry, CA · serves California
- Phone
- (626) 336-0032
- Listing
- Built from public records. Not claimed yet, so call them directly.
Kirman Plumbing Company
Covina, CA · WC ✓ · 8 mi away
Proof for Kirman Plumbing Company
- License
- CSLB 1083688
- 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
- Covina, CA · serves California
- Phone
- (909) 599-5950
- Listing
- Built from public records. Not claimed yet, so call them directly.
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