you asked:
Plumbers in Diamond Bar, CA
29 plumbers in Diamond Bar, CA. Every listing checked against the issuer's record, in the published order.
Hugo's Plumbing & Vilchez Construction Inc
Chino, CA · WC ✓ · 8 mi away
Proof for Hugo's Plumbing & Vilchez Construction Inc
- License
- CSLB 744988
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C36 Plumbing
- Expires
- Jan 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (909) 443-9644
- Listing
- Built from public records. Not claimed yet, so call them directly.
Hustle & Flow Plumbing LLC
West Covina, CA · WC ✓ · 8 mi away
Proof for Hustle & Flow Plumbing LLC
- License
- CSLB 1131990
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Jan 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- West Covina, CA · serves California
- Phone
- (848) 254-5566
- Listing
- Built from public records. Not claimed yet, so call them directly.
Hydro Pro Plumbing
Hacienda Heights, CA · WC exempt · 9 mi away
Proof for Hydro Pro Plumbing
- License
- CSLB 1068668
- 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
- Hacienda Heights, CA · serves California
- Phone
- (626) 264-3210
- Listing
- Built from public records. Not claimed yet, so call them directly.
I Love Sewers Rooter and Plumbing Inc
Hacienda Heights, CA · WC exempt · 9 mi away
Proof for I Love Sewers Rooter and Plumbing Inc
- License
- CSLB 820187
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Hacienda Heights, CA · serves California
- Phone
- (661) 904-9065
- Listing
- Built from public records. Not claimed yet, so call them directly.
I R C Plumbing Inc
LA Habra, CA · WC ✓ · 9 mi away
Proof for I R C Plumbing Inc
- License
- CSLB 974180
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- LA Habra, CA · serves California
- Phone
- (714) 450-0979
- Listing
- Built from public records. Not claimed yet, so call them directly.
Ideal Renovations Group Inc
Brea, CA · WC exempt · 6 mi away
Proof for Ideal Renovations Group Inc
- License
- CSLB 1085500
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C36 Plumbing
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Brea, CA · serves California
- Phone
- (323) 228-9519
- Listing
- Built from public records. Not claimed yet, so call them directly.
Imperial Hwy Enterprises LLC
Brea, CA · WC ✓ · 5 mi away
Proof for Imperial Hwy Enterprises LLC
- License
- CSLB 1059396
- 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
- Brea, CA · serves California
- Phone
- (714) 777-5686
- Listing
- Built from public records. Not claimed yet, so call them directly.
Inline Mechanical Piping Inc
Placentia, CA · WC ✓ · 9 mi away
Proof for Inline Mechanical Piping Inc
- License
- CSLB 799453
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C16 Fire Protection; C36 Plumbing
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Placentia, CA · serves California
- Phone
- (714) 572-1286
- Listing
- Built from public records. Not claimed yet, so call them directly.
Integrity Plumbing Company
Covina, CA · WC exempt · 6 mi away
Proof for Integrity Plumbing Company
- License
- CSLB 717098
- 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
- Covina, CA · serves California
- Phone
- (626) 488-7504
- Listing
- Built from public records. Not claimed yet, so call them directly.
Ironwood Plumbing Inc
Placentia, CA · WC ✓ · 9 mi away
Proof for Ironwood Plumbing Inc
- License
- CSLB 851742
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C4 Boiler, Hot Water Heating and Steam Fitting; C36 Plumbing
- Expires
- Dec 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Placentia, CA · serves California
- Phone
- (714) 223-6950
- Listing
- Built from public records. Not claimed yet, so call them directly.
J B Kitchens Baths & Design Inc
San Dimas, CA · WC ✓ · 7 mi away
Proof for J B Kitchens Baths & Design Inc
- License
- CSLB 730976
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing
- Expires
- Jan 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Dimas, CA · serves California
- Phone
- (909) 394-9545
- Listing
- Built from public records. Not claimed yet, so call them directly.
J H O Plumbing Inc
Hacienda Heights, CA · WC exempt · 9 mi away
Proof for J H O Plumbing Inc
- License
- CSLB 972634
- 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
- Hacienda Heights, CA · serves California
- Phone
- (626) 321-8992
- Listing
- Built from public records. Not claimed yet, so call them directly.
J I G Plumbing Inc
Chino, CA · WC ✓ · 8 mi away
Proof for J I G Plumbing Inc
- License
- CSLB 958469
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (909) 354-6855
- Listing
- Built from public records. Not claimed yet, so call them directly.
J & K Plumbing
Placentia, CA · WC exempt · 9 mi away
Proof for J & K Plumbing
- License
- CSLB 609480
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C36 Plumbing
- Expires
- Jan 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Placentia, CA · serves California
- Phone
- (714) 528-1809
- Listing
- Built from public records. Not claimed yet, so call them directly.
J M Professional Plumbing
Fullerton, CA · WC ✓ · 10 mi away
Proof for J M Professional Plumbing
- License
- CSLB 828995
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Fullerton, CA · serves California
- Phone
- (714) 608-5896
- Listing
- Built from public records. Not claimed yet, so call them directly.
J y Plumbing Inc
Hacienda Heights, CA · WC ✓ · 9 mi away
Proof for J y Plumbing Inc
- License
- CSLB 1051506
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Mar 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Hacienda Heights, CA · serves California
- Phone
- (213) 507-1551
- Listing
- Built from public records. Not claimed yet, so call them directly.
Jacuzzi Bath Remodel of California
Chino, CA · WC ✓ · 8 mi away
Proof for Jacuzzi Bath Remodel of California
- License
- CSLB 1151811
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C36 Plumbing
- Expires
- Mar 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (909) 247-2073
- Listing
- Built from public records. Not claimed yet, so call them directly.
Jb Plumbing
San Dimas, CA · WC ✓ · 7 mi away
Proof for Jb Plumbing
- License
- CSLB 550584
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C36 Plumbing
- Expires
- Sep 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Dimas, CA · serves California
- Phone
- (909) 592-8487
- Listing
- Built from public records. Not claimed yet, so call them directly.
Jb Plumbing and Rooter Inc
Hacienda Heights, CA · WC ✓ · 9 mi away
Proof for Jb Plumbing and Rooter Inc
- License
- CSLB 894504
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Hacienda Heights, CA · serves California
- Phone
- (323) 559-3053
- Listing
- Built from public records. Not claimed yet, so call them directly.
Jc Combustion & Boilers
Fullerton, CA · WC ✓ · 9 mi away
Proof for Jc Combustion & Boilers
- License
- CSLB 1128635
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C4 Boiler, Hot Water Heating and Steam Fitting
- Expires
- Nov 30, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Fullerton, CA · serves California
- Phone
- (714) 224-1150
- Listing
- Built from public records. Not claimed yet, so call them directly.
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