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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.
American Infastructure
Covina, CA · WC ✓ · 6 mi away
Proof for American Infastructure
- License
- CSLB 1030873
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C10 Electrical; C36 Plumbing
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Covina, CA · serves California
- Phone
- (323) 271-4602
- Listing
- Built from public records. Not claimed yet, so call them directly.
American Plumbing Service
Yorba Linda, CA · WC exempt · 7 mi away
Proof for American Plumbing Service
- License
- CSLB 1092023
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C34 Pipeline; C36 Plumbing
- Expires
- May 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Yorba Linda, CA · serves California
- Phone
- (562) 235-2598
- Listing
- Built from public records. Not claimed yet, so call them directly.
Amz Plumbing Inc
Montclair, CA · WC exempt · 8 mi away
Proof for Amz Plumbing Inc
- License
- CSLB 1119395
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Apr 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Montclair, CA · serves California
- Phone
- (909) 708-5037
- Listing
- Built from public records. Not claimed yet, so call them directly.
Andersen Commercial Plumbing LLC
Covina, CA · WC ✓ · 8 mi away
Proof for Andersen Commercial Plumbing LLC
- License
- CSLB 1039820
- 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
- Covina, CA · serves California
- Phone
- (909) 599-5950
- Listing
- Built from public records. Not claimed yet, so call them directly.
Andrews Plumbing & Drain Cleaning
West Covina, CA · WC ✓ · 8 mi away
Proof for Andrews Plumbing & Drain Cleaning
- License
- CSLB 878792
- 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
- West Covina, CA · serves California
- Phone
- (626) 533-0408
- Listing
- Built from public records. Not claimed yet, so call them directly.
Ap Plumbing and Rooter Inc
Covina, CA · WC ✓ · 8 mi away
Proof for Ap Plumbing and Rooter Inc
- License
- CSLB 1087944
- 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
- (323) 239-7204
- Listing
- Built from public records. Not claimed yet, so call them directly.
Aqua Investments
Montclair, CA · WC ✓ · 8 mi away
Proof for Aqua Investments
- License
- CSLB 944342
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C55 Water Conditioning
- Expires
- Mar 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Montclair, CA · serves California
- Phone
- (909) 625-1125
- Listing
- Built from public records. Not claimed yet, so call them directly.
Aqua-Q Inc
Chino Hills, CA · WC exempt · 7 mi away
Proof for Aqua-Q Inc
- License
- CSLB 923071
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C55 Water Conditioning
- Expires
- Oct 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Chino Hills, CA · serves California
- Phone
- (909) 591-0802
- Listing
- Built from public records. Not claimed yet, so call them directly.
Aquacubed LLC
San Dimas, CA · WC ✓ · 7 mi away
Proof for Aquacubed LLC
- License
- CSLB 1142288
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C55 Water Conditioning
- Expires
- Aug 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Dimas, CA · serves California
- Phone
- (626) 627-4160
- Listing
- Built from public records. Not claimed yet, so call them directly.
Araujo Dave Plumbing
Placentia, CA · WC exempt · 9 mi away
Proof for Araujo Dave Plumbing
- License
- CSLB 548000
- 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
- Placentia, CA · serves California
- Phone
- (714) 585-9357
- Listing
- Built from public records. Not claimed yet, so call them directly.
Artifex Plumbing & Pipeline LLC
Chino, CA · WC exempt · 8 mi away
Proof for Artifex Plumbing & Pipeline LLC
- License
- CSLB 1113406
- 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
- Chino, CA · serves California
- Phone
- (909) 631-7467
- Listing
- Built from public records. Not claimed yet, so call them directly.
Athena Engineering Inc
San Dimas, CA · WC ✓ · 7 mi away
Proof for Athena Engineering Inc
- License
- CSLB 523044
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C4 Boiler, Hot Water Heating and Steam Fitting; C7 Low Voltage Systems; C10 Electrical; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing
- Expires
- Jan 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Dimas, CA · serves California
- Phone
- (909) 971-8440
- Listing
- Built from public records. Not claimed yet, so call them directly.
Average Joe's Plumbing & Rooter Inc
Placentia, CA · WC exempt · 9 mi away
Proof for Average Joe's Plumbing & Rooter Inc
- License
- CSLB 1113193
- 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
- Placentia, CA · serves California
- Phone
- (949) 282-7771
- Listing
- Built from public records. Not claimed yet, so call them directly.
B B S Construction Inc
West Covina, CA · WC ✓ · 6 mi away
Proof for B B S Construction Inc
- License
- CSLB 839266
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C15 Flooring and Floor Covering; C33 Painting and Decorating; C36 Plumbing
- Expires
- May 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- West Covina, CA · serves California
- Phone
- (951) 505-3143
- Listing
- Built from public records. Not claimed yet, so call them directly.
B P Maintenance Plumbing Inc
West Covina, CA · WC exempt · 6 mi away
Proof for B P Maintenance Plumbing Inc
- License
- CSLB 1093046
- 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
- West Covina, CA · serves California
- Phone
- (626) 841-9535
- Listing
- Built from public records. Not claimed yet, so call them directly.
B W K Plumbing
Covina, CA · WC exempt · 7 mi away
Proof for B W K Plumbing
- License
- CSLB 1084421
- 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
- Covina, CA · serves California
- Phone
- (626) 383-1275
- Listing
- Built from public records. Not claimed yet, so call them directly.
Baccaro Construction Co Inc
Fullerton, CA · WC ✓ · 9 mi away
Proof for Baccaro Construction Co Inc
- License
- CSLB 425570
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C6 Cabinet, Millwork and Finish Carpentry; C10 Electrical; C36 Plumbing; C54 Ceramic and Mosaic Tile
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Fullerton, CA · serves California
- Phone
- (714) 870-8051
- Listing
- Built from public records. Not claimed yet, so call them directly.
Baccaro Peter Thomas
Fullerton, CA · WC exempt · 9 mi away
Proof for Baccaro Peter Thomas
- License
- CSLB 404740
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C6 Cabinet, Millwork and Finish Carpentry; C10 Electrical; C36 Plumbing; C54 Ceramic and Mosaic Tile
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Fullerton, CA · serves California
- Phone
- (714) 870-8051
- Listing
- Built from public records. Not claimed yet, so call them directly.
Baldwin Builders
Covina, CA · WC ✓ · 6 mi away
Proof for Baldwin Builders
- License
- CSLB 992380
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- ASB Asbestos Certification; B General Building; C22 Asbestos Abatement; C36 Plumbing; D41 Siding and Decking; D64 Non-specialized; HAZ Hazardous Substance Removal
- Expires
- Apr 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Covina, CA · serves California
- Phone
- (909) 599-0033
- Listing
- Built from public records. Not claimed yet, so call them directly.
Baolo P & C Inc
LA Habra, CA · WC exempt · 9 mi away
Proof for Baolo P & C Inc
- License
- CSLB 954610
- 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
- LA Habra, CA · serves California
- Phone
- (714) 371-5080
- Listing
- Built from public records. Not claimed yet, so call them directly.
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