you asked:
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.
Bouma Air Conditioning & Heating Inc
Chino, CA · WC ✓ · 8 mi away
Proof for Bouma Air Conditioning & Heating Inc
- License
- CSLB 750146
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (909) 673-1075
- Listing
- Built from public records. Not claimed yet, so call them directly.
Brea Plumbing
Brea, CA · WC ✓ · 5 mi away
Proof for Brea Plumbing
- License
- CSLB 765643
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- 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
- Brea, CA · serves California
- Phone
- (714) 529-1034
- Listing
- Built from public records. Not claimed yet, so call them directly.
Breeze HVAC
Chino, CA · WC ✓ · 8 mi away
Proof for Breeze HVAC
- License
- CSLB 1141580
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Aug 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (626) 217-3989
- Listing
- Built from public records. Not claimed yet, so call them directly.
Bridges Filter Service Inc
Brea, CA · WC ✓ · 5 mi away
Proof for Bridges Filter Service Inc
- License
- CSLB 759818
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Oct 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Brea, CA · serves California
- Phone
- (714) 990-2211
- Listing
- Built from public records. Not claimed yet, so call them directly.
Brothers HVAC Corp
City of Industry, CA · WC ✓ · 9 mi away
Proof for Brothers HVAC Corp
- License
- CSLB 1093112
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- City of Industry, CA · serves California
- Phone
- (626) 766-9503
- Listing
- Built from public records. Not claimed yet, so call them directly.
Burdett James Construction Inc
Chino, CA · WC ✓ · 8 mi away
Proof for Burdett James Construction Inc
- License
- CSLB 627484
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Aug 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (909) 851-5767
- Listing
- Built from public records. Not claimed yet, so call them directly.
Butler's Heating and Air
Pomona, CA · WC ✓ · 7 mi away
Proof for Butler's Heating and Air
- License
- CSLB 964290
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Dec 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Pomona, CA · serves California
- Phone
- (909) 802-4418
- Listing
- Built from public records. Not claimed yet, so call them directly.
C & B Heating and Cooling Inc
Rowland Heights, CA · WC ✓ · 5 mi away
Proof for C & B Heating and Cooling Inc
- License
- CSLB 961633
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C10 Electrical; C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Aug 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Rowland Heights, CA · serves California
- Phone
- (626) 789-4962
- Listing
- Built from public records. Not claimed yet, so call them directly.
C&C Air Inc
Chino, CA · WC ✓ · 8 mi away
Proof for C&C Air Inc
- License
- CSLB 1122967
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (909) 306-6390
- Listing
- Built from public records. Not claimed yet, so call them directly.
C E Mechanical Inc
Chino, CA · WC ✓ · 8 mi away
Proof for C E Mechanical Inc
- License
- CSLB 765670
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C10 Electrical; C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Jul 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (909) 548-0925
- Listing
- Built from public records. Not claimed yet, so call them directly.
C F Air Conditioning & Heating Service LLC
Hacienda Heights, CA · WC ✓ · 9 mi away
Proof for C F Air Conditioning & Heating Service LLC
- License
- CSLB 782192
- 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
- Hacienda Heights, CA · serves California
- Phone
- (562) 858-2018
- Listing
- Built from public records. Not claimed yet, so call them directly.
C-L Refrigeration Corp
Fullerton, CA · 9 mi away
Proof for C-L Refrigeration Corp
- USDOT registration
- US-DOT 3146375
- Issuer
- US-DOT
- Status
- Active
- Class
- Private motor carrier
- Checked
- Oct 23, 2026
- Where
- Fullerton, CA · serves California
- Phone
- (714) 990-6966
- Listing
- Built from public records. Not claimed yet, so call them directly.
C & L Refrigeration Corporation
Brea, CA · WC ✓ · 6 mi away
Proof for C & L Refrigeration Corporation
- License
- CSLB 381378
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C2 Insulation and Acoustical; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C38 Refrigeration
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Brea, CA · serves California
- Phone
- (800) 901-4822
- Listing
- Built from public records. Not claimed yet, so call them directly.
C T S Mechanical Inc
Chino, CA · WC ✓ · 8 mi away
Proof for C T S Mechanical Inc
- License
- CSLB 956045
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C38 Refrigeration
- Expires
- Dec 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (909) 465-6361
- Listing
- Built from public records. Not claimed yet, so call them directly.
C & y HVAC Inc
West Covina, CA · WC ✓ · 8 mi away
Proof for C & y HVAC Inc
- License
- CSLB 1067664
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C10 Electrical; C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Aug 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- West Covina, CA · serves California
- Phone
- (626) 780-3695
- Listing
- Built from public records. Not claimed yet, so call them directly.
Calcoms
Brea, CA · WC ✓ · 5 mi away
Proof for Calcoms
- License
- CSLB 960030
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Brea, CA · serves California
- Phone
- (714) 726-5655
- Listing
- Built from public records. Not claimed yet, so call them directly.
California Air Control Inc
Covina, CA · WC ✓ · 8 mi away
Proof for California Air Control Inc
- License
- CSLB 862637
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Aug 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Covina, CA · serves California
- Phone
- (626) 472-9287
- Listing
- Built from public records. Not claimed yet, so call them directly.
California Chiller
Chino Hills, CA · WC ✓ · 7 mi away
Proof for California Chiller
- License
- CSLB 895506
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Jul 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino Hills, CA · serves California
- Phone
- (909) 680-1980
- Listing
- Built from public records. Not claimed yet, so call them directly.
California Construction
Chino, CA · WC ✓ · 8 mi away
Proof for California Construction
- License
- CSLB 699672
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Mar 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (626) 297-2606
- Listing
- Built from public records. Not claimed yet, so call them directly.
California Professional Electrical Engineering
LA Puente, CA · WC ✓ via leasing firm · 5 mi away
Proof for California Professional Electrical Engineering
- License
- CSLB 793907
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C10 Electrical; C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Covered through an employee leasing firm
- Where
- LA Puente, CA · serves California
- Phone
- (626) 810-1336
- 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.