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NAICS 238220 · Plumbing, Heating, and Air-Conditioning Contractors

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Heating and air conditioning in Walnut Creek, CA

18 heating and air conditioning in Walnut Creek, CA; 1,044 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. West Coast Mechanical LLC

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    Martinez, CA · WC ✓ · 8 mi away

    CallAsk it
    Proof for West Coast Mechanical LLC
    License
    CSLB 1111467
    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
    Martinez, CA · serves California
    Phone
    (925) 348-7839
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

  2. Westec Air Systems Co

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    Concord, CA · WC ✓ · 5 mi away

    CallAsk it
    Proof for Westec Air Systems Co
    License
    CSLB 825618
    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
    Concord, CA · serves California
    Phone
    (925) 519-3634
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

  3. Western Sierra Inc

    ActiveB General Building+2

    Pacheco, CA · WC ✓ · 8 mi away

    CallAsk it
    Proof for Western Sierra Inc
    License
    CSLB 957460
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    B General Building; C39 Roofing; C43 Sheet Metal
    Expires
    Aug 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Pacheco, CA · serves California
    Phone
    (925) 681-2141
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

  4. Zf Heating & Cooling

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    Concord, CA · WC ✓ · 6 mi away

    CallAsk it
    Proof for Zf Heating & Cooling
    License
    CSLB 1149602
    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
    Concord, CA · serves California
    Phone
    (415) 818-6993
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

  5. 1-888-Heat-Pumps

    ActiveB General Building+1

    Berkeley, CA · WC ✓ · 13 mi away

    CallAsk it
    Proof for 1-888-Heat-Pumps
    License
    CSLB 1108295
    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
    Berkeley, CA · serves California
    Phone
    (888) 432-8786
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

  6. 3Rdgen Heating and Cooling

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning+1

    Berkeley, CA · WC ✓ · 15 mi away

    CallAsk it
    Proof for 3Rdgen Heating and Cooling
    License
    CSLB 1086898
    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
    Berkeley, CA · serves California
    Phone
    (866) 222-7980
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

  7. 4-Seasons Heating & Air Conditioning

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    Castro Valley, CA · WC ✓ · 11 mi away

    CallAsk it
    Proof for 4-Seasons Heating & Air Conditioning
    License
    CSLB 962971
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C20 Warm-Air Heating, Ventilating and Air-Conditioning
    Expires
    May 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Castro Valley, CA · serves California
    Phone
    (510) 886-3112
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

  8. A-1 American Plumbing Heating and Air Conditioning

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning+1

    San Leandro, CA · WC ✓ · 14 mi away

    CallAsk it
    Proof for A-1 American Plumbing Heating and Air Conditioning
    License
    CSLB 962989
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing
    Expires
    Jul 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Leandro, CA · serves California
    Phone
    (510) 581-0607
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

  9. A & R HVAC

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    San Ramon, CA · WC ✓ · 12 mi away

    CallAsk it
    Proof for A & R HVAC
    License
    CSLB 861542
    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
    San Ramon, CA · serves California
    Phone
    (408) 999-0305
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

  10. Aarvaks Heating & Air Conditioning

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    Berkeley, CA · WC ✓ · 15 mi away

    CallAsk it
    Proof for Aarvaks Heating & Air Conditioning
    License
    CSLB 1146520
    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
    Berkeley, CA · serves California
    Phone
    (510) 848-5010
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

  11. Advanced Home Energy Inc

    ActiveB General Building+2

    Berkeley, CA · WC ✓ · 13 mi away

    CallAsk it
    Proof for Advanced Home Energy Inc
    License
    CSLB 877873
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    B General Building; C2 Insulation and Acoustical; C20 Warm-Air Heating, Ventilating and Air-Conditioning
    Expires
    May 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Berkeley, CA · serves California
    Phone
    (510) 540-4860
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

  12. Advanced Refrigeration

    ActiveC4 Boiler, Hot Water Heating and Steam Fitting+2

    Oakland, CA · WC ✓ · 13 mi away

    CallAsk it
    Proof for Advanced Refrigeration
    License
    CSLB 1017769
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C4 Boiler, Hot Water Heating and Steam Fitting; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C38 Refrigeration
    Expires
    Aug 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Oakland, CA · serves California
    Phone
    (510) 415-7982
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

  13. Affordable Heating and Air Conditioning

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    Castro Valley, CA · WC ✓ · 11 mi away

    CallAsk it
    Proof for Affordable Heating and Air Conditioning
    License
    CSLB 909632
    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
    Castro Valley, CA · serves California
    Phone
    (510) 825-5079
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

  14. Airgonomics Heating & Cooling LLC

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning+1

    Antioch, CA · WC ✓ · 14 mi away

    CallAsk it
    Proof for Airgonomics Heating & Cooling LLC
    License
    CSLB 928654
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C20 Warm-Air Heating, Ventilating and Air-Conditioning; C38 Refrigeration
    Expires
    May 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Antioch, CA · serves California
    Phone
    (925) 290-1000
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

  15. Alaska Refrigeration Air Conditioning & Heating Co

    ActiveC4 Boiler, Hot Water Heating and Steam Fitting+2

    Oakland, CA · WC ✓ · 13 mi away

    CallAsk it
    Proof for Alaska Refrigeration Air Conditioning & Heating Co
    License
    CSLB 565401
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C4 Boiler, Hot Water Heating and Steam Fitting; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C38 Refrigeration
    Expires
    Apr 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Oakland, CA · serves California
    Phone
    (510) 261-9202
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

  16. Alfa Heating and Cooling

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    Antioch, CA · WC ✓ · 14 mi away

    CallAsk it
    Proof for Alfa Heating and Cooling
    License
    CSLB 1026386
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C20 Warm-Air Heating, Ventilating and Air-Conditioning
    Expires
    May 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Antioch, CA · serves California
    Phone
    (925) 497-6528
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

  17. All Air Heating and Cooling

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    Antioch, CA · WC ✓ · 14 mi away

    CallAsk it
    Proof for All Air Heating and Cooling
    License
    CSLB 1156365
    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
    Antioch, CA · serves California
    Phone
    (415) 879-1015
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

  18. All-Bay Refrigeration

    ActiveC38 Refrigeration

    El Sobrante, CA · WC exempt · 14 mi away

    CallAsk it
    Proof for All-Bay Refrigeration
    License
    CSLB 507459
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C38 Refrigeration
    Expires
    Mar 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    El Sobrante, CA · serves California
    Phone
    (510) 758-1406
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

  19. All Seasons Heating & Air Conditioning

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    Oakland, CA · WC ✓ · 14 mi away

    CallAsk it
    Proof for All Seasons Heating & Air Conditioning
    License
    CSLB 587252
    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
    Oakland, CA · serves California
    Phone
    (510) 917-3016
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

  20. All Star HVAC

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    Antioch, CA · WC ✓ · 15 mi away

    CallAsk it
    Proof for All Star HVAC
    License
    CSLB 1076138
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C20 Warm-Air Heating, Ventilating and Air-Conditioning
    Expires
    May 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Antioch, CA · serves California
    Phone
    (925) 334-6596
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

More cities in California

San Jose 304Los Angeles 293Sacramento 279San Diego 269Riverside 226Bakersfield 194Fresno 188Anaheim 168Glendale 129El Cajon 126Corona 122San Francisco 116Escondido 103Modesto 101Stockton 98Simi Valley 93

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