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Heating and air conditioning in Diamond Bar, CA
33 heating and air conditioning in Diamond Bar, CA. Every listing checked against the issuer's record, in the published order.
Dale's Remodeling
Brea, CA · WC exempt · 5 mi away
Proof for Dale's Remodeling
- License
- CSLB 643301
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C38 Refrigeration
- Expires
- Apr 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Brea, CA · serves California
- Phone
- (714) 813-7699
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dan Paredes Inc
Fullerton, CA · WC ✓ · 10 mi away
Proof for Dan Paredes Inc
- License
- CSLB 1158996
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Fullerton, CA · serves California
- Phone
- (323) 326-2084
- Listing
- Built from public records. Not claimed yet, so call them directly.
Daniel Billetts
Hacienda Heights, CA · WC ✓ · 9 mi away
Proof for Daniel Billetts
- License
- CSLB 1054372
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Jun 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Hacienda Heights, CA · serves California
- Phone
- (626) 736-3429
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dassa Construction Services Inc
Yorba Linda, CA · WC ✓ · 7 mi away
Proof for Dassa Construction Services Inc
- License
- CSLB 826959
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C10 Electrical; C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Yorba Linda, CA · serves California
- Phone
- (714) 701-0475
- Listing
- Built from public records. Not claimed yet, so call them directly.
David Jung
Brea, CA · WC ✓ · 5 mi away
Proof for David Jung
- License
- CSLB 1106397
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C10 Electrical; C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Jun 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Brea, CA · serves California
- Phone
- (714) 515-0914
- Listing
- Built from public records. Not claimed yet, so call them directly.
Ddac Services Inc
San Dimas, CA · WC ✓ · 7 mi away
Proof for Ddac Services Inc
- License
- CSLB 1135401
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Dimas, CA · serves California
- Phone
- (626) 417-4015
- Listing
- Built from public records. Not claimed yet, so call them directly.
Del Mechanical
Chino Hills, CA · WC ✓ · 7 mi away
Proof for Del Mechanical
- License
- CSLB 517424
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning; C38 Refrigeration
- Expires
- Nov 30, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino Hills, CA · serves California
- Phone
- (909) 597-8328
- 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.
Delta Refrigeration Corporation
City of Industry, CA · WC ✓ · 9 mi away
Proof for Delta Refrigeration Corporation
- License
- CSLB 940053
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning; C38 Refrigeration
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- City of Industry, CA · serves California
- Phone
- (562) 692-7835
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dez Mechanical Systems
Pomona, CA · WC ✓ · 7 mi away
Proof for Dez Mechanical Systems
- License
- CSLB 952037
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Sep 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Pomona, CA · serves California
- Phone
- (626) 824-3180
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dms Air Conditioning
San Dimas, CA · 7 mi away
Proof for Dms Air Conditioning
- USDOT registration
- US-DOT 4390465
- Issuer
- US-DOT
- Status
- Active
- Class
- Private motor carrier
- Checked
- Oct 23, 2026
- Where
- San Dimas, CA · serves California
- Phone
- (626) 969-7700
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dms Air Conditioning
San Dimas, CA · 7 mi away
Proof for Dms Air Conditioning
- USDOT registration
- US-DOT 3144820
- Issuer
- US-DOT
- Status
- Active
- Class
- Private motor carrier
- Checked
- Oct 23, 2026
- Where
- San Dimas, CA · serves California
- Phone
- (626) 969-7700
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dms Air Inc
San Dimas, CA · WC ✓ · 7 mi away
Proof for Dms Air Inc
- License
- CSLB 1086341
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Jan 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Dimas, CA · serves California
- Phone
- (626) 969-7700
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dni Air Conditioning and Heating Inc
Chino Hills, CA · WC ✓ · 7 mi away
Proof for Dni Air Conditioning and Heating Inc
- License
- CSLB 1098322
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C10 Electrical; C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Oct 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino Hills, CA · serves California
- Phone
- (626) 295-4638
- Listing
- Built from public records. Not claimed yet, so call them directly.
Do Bang
LA Puente, CA · WC ✓ · 7 mi away
Proof for Do Bang
- License
- CSLB 881408
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- LA Puente, CA · serves California
- Phone
- (626) 336-8370
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dpl Air Conditioning Inc
Placentia, CA · WC ✓ · 9 mi away
Proof for Dpl Air Conditioning Inc
- License
- CSLB 801191
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Jan 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Placentia, CA · serves California
- Phone
- (714) 609-9795
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dr Dio Heating & Air Conditioning
Hacienda Heights, CA · WC ✓ · 9 mi away
Proof for Dr Dio Heating & Air Conditioning
- License
- CSLB 988248
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Hacienda Heights, CA · serves California
- Phone
- (323) 928-1391
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dr Dryer Duct
Pomona, CA · WC ✓ · 7 mi away
Proof for Dr Dryer Duct
- License
- CSLB 1026869
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C43 Sheet Metal
- Expires
- May 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Pomona, CA · serves California
- Phone
- (818) 482-9317
- Listing
- Built from public records. Not claimed yet, so call them directly.
Ds HVAC Inc
Ontario, CA · WC ✓ · 9 mi away
Proof for Ds HVAC Inc
- License
- CSLB 1132699
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Feb 28, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Ontario, CA · serves California
- Phone
- (909) 235-8838
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dsg Mechanical Corp
Chino, CA · 8 mi away
Proof for Dsg Mechanical Corp
- USDOT registration
- US-DOT 2807965
- Issuer
- US-DOT
- Status
- Active
- Class
- Private motor carrier
- Checked
- Oct 23, 2026
- Where
- Chino, CA · serves California
- Phone
- (909) 591-2274
- Listing
- Built from public records. Not claimed yet, so call them directly.
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