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

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Heating and air conditioning in San Diego, CA

269 heating and air conditioning in San Diego, CA; 962 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Le Ho Mechanical

    ActiveC38 Refrigeration

    San Diego, CA · WC exempt

    Proof for Le Ho Mechanical
    License
    CSLB 764069
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C38 Refrigeration
    Expires
    Jun 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    San Diego, CA · serves California
    Phone
    (858) 531-0892
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  2. Lgl Heating and Air Conditioning

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    San Diego, CA · WC ✓

    Proof for Lgl Heating and Air Conditioning
    License
    CSLB 1161919
    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
    San Diego, CA · serves California
    Phone
    (310) 561-7336
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  3. Lighter Living Co

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

    San Diego, CA · WC ✓

    Proof for Lighter Living Co
    License
    CSLB 998214
    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 Diego, CA · serves California
    Phone
    (619) 985-2962
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  4. Lobo Heating & Air Inc

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    San Diego, CA · WC ✓

    Proof for Lobo Heating & Air Inc
    License
    CSLB 1158163
    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
    San Diego, CA · serves California
    Phone
    (619) 708-0456
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  5. Longs Hvacr

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

    San Diego, CA · WC ✓

    Proof for Longs Hvacr
    License
    CSLB 591530
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C20 Warm-Air Heating, Ventilating and Air-Conditioning; C38 Refrigeration
    Expires
    Mar 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Diego, CA · serves California
    Phone
    (619) 987-7884
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  6. Lorenzano Sheet Metal Inc

    ActiveC43 Sheet Metal

    San Diego, CA · WC ✓

    Proof for Lorenzano Sheet Metal Inc
    License
    CSLB 1060615
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C43 Sheet Metal
    Expires
    Nov 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Diego, CA · serves California
    Phone
    (619) 408-2176
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  7. M&M Controls Inc

    ActiveC7 Low Voltage Systems+1

    San Diego, CA · WC ✓

    Proof for M&M Controls Inc
    License
    CSLB 874206
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C7 Low Voltage Systems; C20 Warm-Air Heating, Ventilating and Air-Conditioning
    Expires
    Apr 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Diego, CA · serves California
    Phone
    (858) 309-2022
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  8. Mansheim H V a C

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    San Diego, CA · WC ✓

    Proof for Mansheim H V a C
    License
    CSLB 1051053
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C20 Warm-Air Heating, Ventilating and Air-Conditioning
    Expires
    Mar 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Diego, CA · serves California
    Phone
    (619) 262-5615
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  9. Marine & Restaurant Fabricators Inc

    ActiveB General Building+1

    San Diego, CA · WC ✓

    Proof for Marine & Restaurant Fabricators Inc
    License
    CSLB 526053
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    B General Building; C43 Sheet Metal
    Expires
    Mar 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Diego, CA · serves California
    Phone
    (619) 232-7267
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  10. Marlett Mechanical & Supplies

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    San Diego, CA · WC ✓

    Proof for Marlett Mechanical & Supplies
    License
    CSLB 865626
    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
    San Diego, CA · serves California
    Phone
    (619) 843-5363
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  11. Martin Plumbing & HVAC

    ActiveC10 Electrical+3

    San Diego, CA · WC ✓

    Proof for Martin Plumbing & HVAC
    License
    CSLB 859444
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C10 Electrical; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing; C38 Refrigeration
    Expires
    May 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Diego, CA · serves California
    Phone
    (858) 693-1500
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  12. Maximilian Sheet Metal Corp

    ActiveC43 Sheet Metal

    San Diego, CA · WC ✓

    Proof for Maximilian Sheet Metal Corp
    License
    CSLB 1140454
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C43 Sheet Metal
    Expires
    Jul 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Diego, CA · serves California
    Phone
    (619) 381-7698
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  13. Mbo Inc a California Corporation

    ActiveB General Building+1

    San Diego, CA · WC ✓

    Proof for Mbo Inc a California Corporation
    License
    CSLB 871638
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    B General Building; D62 Air and Water Balancing
    Expires
    Jan 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Diego, CA · serves California
    Phone
    (858) 751-5702
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  14. Mctate Construction

    ActiveB General Building+1

    San Diego, CA · WC ✓

    Proof for Mctate Construction
    License
    CSLB 945966
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    B General Building; C20 Warm-Air Heating, Ventilating and Air-Conditioning
    Expires
    Sep 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Diego, CA · serves California
    Phone
    (619) 548-4351
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  15. Mechanical System Contractors Inc

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    San Diego, CA · WC ✓

    Proof for Mechanical System Contractors Inc
    License
    CSLB 878844
    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
    San Diego, CA · serves California
    Phone
    (858) 279-4700
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  16. Merrick & Associates Inc

    ActiveC20 Warm-Air Heating, Ventilating and Air-Conditioning

    San Diego, CA · WC ✓

    Proof for Merrick & Associates Inc
    License
    CSLB 454270
    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
    San Diego, CA · serves California
    Phone
    (858) 775-9606
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  17. Merz Construction Inc

    ActiveB General Building+8

    San Diego, CA · WC ✓

    Proof for Merz Construction Inc
    License
    CSLB 477564
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    B General Building; C8 Concrete; C10 Electrical; C15 Flooring and Floor Covering; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C33 Painting and Decorating; C36 Plumbing; C43 Sheet Metal; D63 Construction Clean-up
    Expires
    Aug 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Diego, CA · serves California
    Phone
    (619) 825-9105
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  18. Morey Plumbing

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

    San Diego, CA · WC ✓ via leasing firm

    Proof for Morey Plumbing
    License
    CSLB 967435
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing
    Expires
    Nov 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Covered through an employee leasing firm
    Where
    San Diego, CA · serves California
    Phone
    (858) 505-4500
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  19. National Air & Energy

    ActiveC4 Boiler, Hot Water Heating and Steam Fitting+1

    San Diego, CA · WC ✓

    Proof for National Air & Energy
    License
    CSLB 706889
    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
    Expires
    May 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Diego, CA · serves California
    Phone
    (619) 299-2500
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  20. National Mechanical Services Inc

    ActivePrivate motor carrier

    San Diego, CA

    Proof for National Mechanical Services Inc
    USDOT registration
    US-DOT 1752406
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    San Diego, CA · serves California
    Phone
    (619) 477-1991
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

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