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.
D G Plumbing
Placentia, CA · WC ✓ · 9 mi away
Proof for D G Plumbing
- License
- CSLB 967507
- 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
- Placentia, CA · serves California
- Phone
- (714) 322-7699
- Listing
- Built from public records. Not claimed yet, so call them directly.
D H K Plumbing & Piping Inc
West Covina, CA · WC ✓ · 8 mi away
Proof for D H K Plumbing & Piping Inc
- License
- CSLB 882130
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Aug 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- West Covina, CA · serves California
- Phone
- (626) 574-5665
- Listing
- Built from public records. Not claimed yet, so call them directly.
D & R Plumbing Inc
Chino, CA · WC exempt · 8 mi away
Proof for D & R Plumbing Inc
- License
- CSLB 150458
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C36 Plumbing
- Expires
- Mar 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Chino, CA · serves California
- Phone
- (909) 627-2697
- Listing
- Built from public records. Not claimed yet, so call them directly.
D S G Plumbing
Fullerton, CA · WC exempt · 10 mi away
Proof for D S G Plumbing
- License
- CSLB 1082920
- 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
- Fullerton, CA · serves California
- Phone
- (714) 813-2745
- Listing
- Built from public records. Not claimed yet, so call them directly.
D & S Plumbing Systems Inc
Yorba Linda, CA · WC ✓ · 7 mi away
Proof for D & S Plumbing Systems Inc
- License
- CSLB 1112879
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C34 Pipeline; C36 Plumbing
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Yorba Linda, CA · serves California
- Phone
- (909) 703-0078
- Listing
- Built from public records. Not claimed yet, so call them directly.
D W C Enterprise Group Inc
LA Puente, CA · WC ✓ · 7 mi away
Proof for D W C Enterprise Group Inc
- License
- CSLB 905517
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C36 Plumbing
- Expires
- Oct 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- LA Puente, CA · serves California
- Phone
- (626) 890-5149
- Listing
- Built from public records. Not claimed yet, so call them directly.
Daley James
San Dimas, CA · WC exempt · 7 mi away
Proof for Daley James
- License
- CSLB 1049054
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Jan 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- San Dimas, CA · serves California
- Phone
- (949) 355-5640
- Listing
- Built from public records. Not claimed yet, so call them directly.
Danmar Plumbery
Chino Hills, CA · WC exempt · 7 mi away
Proof for Danmar Plumbery
- License
- CSLB 425631
- 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
- Chino Hills, CA · serves California
- Phone
- (909) 973-1553
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dc Drains
Covina, CA · WC ✓ · 8 mi away
Proof for Dc Drains
- License
- CSLB 1064957
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Apr 30, 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.
Delgado General and Plumbing Inc
LA Puente, CA · WC ✓ · 7 mi away
Proof for Delgado General and Plumbing Inc
- License
- CSLB 928984
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C36 Plumbing
- Expires
- Feb 29, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- LA Puente, CA · serves California
- Phone
- (213) 804-8860
- Listing
- Built from public records. Not claimed yet, so call them directly.
Delgado Steven
Covina, CA · WC exempt · 8 mi away
Proof for Delgado Steven
- License
- CSLB 967734
- 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
- Covina, CA · serves California
- Phone
- (626) 421-4255
- Listing
- Built from public records. Not claimed yet, so call them directly.
Delta Plumbing & HVAC Inc
Yorba Linda, CA · WC ✓ · 7 mi away
Proof for Delta Plumbing & HVAC Inc
- License
- CSLB 1002045
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing
- Expires
- Feb 29, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Yorba Linda, CA · serves California
- Phone
- (714) 458-6715
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dirt Cheap Rooter N Plumbing
West Covina, CA · WC exempt · 6 mi away
Proof for Dirt Cheap Rooter N Plumbing
- License
- CSLB 908614
- 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
- West Covina, CA · serves California
- Phone
- (626) 543-5055
- Listing
- Built from public records. Not claimed yet, so call them directly.
Diver Dan's Plumbing & Drain Cleaning Co
San Dimas, CA · WC exempt · 7 mi away
Proof for Diver Dan's Plumbing & Drain Cleaning Co
- License
- CSLB 863791
- 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
- San Dimas, CA · serves California
- Phone
- (909) 821-3852
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dm Plumbing & Sewer Service
Fullerton, CA · WC exempt · 10 mi away
Proof for Dm Plumbing & Sewer Service
- License
- CSLB 1076475
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing
- Expires
- Jun 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Fullerton, CA · serves California
- Phone
- (714) 642-6649
- Listing
- Built from public records. Not claimed yet, so call them directly.
Doctor Rooter Inc
West Covina, CA · WC ✓ · 6 mi away
Proof for Doctor Rooter Inc
- License
- CSLB 1051766
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C36 Plumbing
- Expires
- Mar 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- West Covina, CA · serves California
- Phone
- (310) 709-4744
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dorsey Plumbing Inc
San Dimas, CA · WC exempt · 7 mi away
Proof for Dorsey Plumbing Inc
- License
- CSLB 396571
- 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
- San Dimas, CA · serves California
- Phone
- (909) 599-0828
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dp Plumbing & Sewer Inc
Chino, CA · WC exempt · 8 mi away
Proof for Dp Plumbing & Sewer Inc
- License
- CSLB 1041768
- 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
- Chino, CA · serves California
- Phone
- (800) 277-2792
- Listing
- Built from public records. Not claimed yet, so call them directly.
Drain First Inc
Chino, CA · WC ✓ · 8 mi away
Proof for Drain First Inc
- License
- CSLB 1031534
- 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
- Chino, CA · serves California
- Phone
- (800) 710-3319
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dymek's Freedom Plumbing Inc
Placentia, CA · WC ✓ · 9 mi away
Proof for Dymek's Freedom Plumbing Inc
- License
- CSLB 764483
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C36 Plumbing; C42 Sanitation System
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Placentia, CA · serves California
- Phone
- (714) 632-8989
- 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.