DouxProcess Directory

Ask for any business in the US.

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

you asked:

Plumbers in La Verne, CA

22 plumbers in La Verne, CA. Every listing checked against the issuer's record, in the published order.

  1. Aquarena Water Conditioning

    ActiveC55 Water Conditioning

    Diamond Bar, CA · WC ✓ · 10 mi away

    Proof for Aquarena Water Conditioning
    License
    CSLB 1160847
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C55 Water Conditioning
    Expires
    Sep 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Diamond Bar, CA · serves California
    Phone
    (909) 768-9898
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  2. Aquarius Plumbing

    ActiveC36 Plumbing

    Alta Loma, CA · WC exempt · 10 mi away

    Proof for Aquarius Plumbing
    License
    CSLB 902504
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C36 Plumbing
    Expires
    Aug 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Alta Loma, CA · serves California
    Phone
    (909) 721-7041
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  3. Archibald Plumbing

    ActiveC36 Plumbing

    Alta Loma, CA · WC exempt · 10 mi away

    Proof for Archibald Plumbing
    License
    CSLB 725816
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C36 Plumbing
    Expires
    Aug 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Alta Loma, CA · serves California
    Phone
    (951) 990-7077
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  4. Artifex Plumbing & Pipeline LLC

    ActiveC36 Plumbing

    Chino, CA · WC exempt · 9 mi away

    Proof for Artifex Plumbing & Pipeline LLC
    License
    CSLB 1113406
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C36 Plumbing
    Expires
    Dec 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Chino, CA · serves California
    Phone
    (909) 631-7467
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  5. Asap General Contractors Inc

    ActiveC36 Plumbing+1

    Upland, CA · WC ✓ · 6 mi away

    Proof for Asap General Contractors Inc
    License
    CSLB 930815
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    B General Building; C36 Plumbing
    Expires
    Jul 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Upland, CA · serves California
    Phone
    (747) 777-0940
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  6. Aspen Plumbing

    ActiveC36 Plumbing

    Alta Loma, CA · WC exempt · 10 mi away

    Proof for Aspen Plumbing
    License
    CSLB 1160958
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C36 Plumbing
    Expires
    Sep 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Alta Loma, CA · serves California
    Phone
    (909) 376-8853
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  7. At Home Service Solutions Inc

    ActiveC36 Plumbing+2

    Alta Loma, CA · WC ✓ · 10 mi away

    Proof for At Home Service Solutions Inc
    License
    CSLB 830874
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C10 Electrical; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing
    Expires
    Jan 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Alta Loma, CA · serves California
    Phone
    (951) 304-9961
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  8. Avanti Membrane Technology Inc

    ActiveC55 Water Conditioning

    Diamond Bar, CA · WC exempt · 10 mi away

    Proof for Avanti Membrane Technology Inc
    License
    CSLB 1091779
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C55 Water Conditioning
    Expires
    May 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Diamond Bar, CA · serves California
    Phone
    (909) 878-6698
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  9. Aveo Inc

    ActiveC36 Plumbing+4

    Diamond Bar, CA · WC ✓ · 10 mi away

    Proof for Aveo Inc
    License
    CSLB 969881
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C10 Electrical; 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
    Diamond Bar, CA · serves California
    Phone
    (909) 538-9188
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  10. Ays Plumbing & Rooter Corp

    ActiveC36 Plumbing

    Upland, CA · WC ✓ via leasing firm · 6 mi away

    Proof for Ays Plumbing & Rooter Corp
    License
    CSLB 1086827
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C36 Plumbing
    Expires
    Dec 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Covered through an employee leasing firm
    Where
    Upland, CA · serves California
    Phone
    (909) 243-2086
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  11. B B S Construction Inc

    ActiveC36 Plumbing+4

    West Covina, CA · WC ✓ · 8 mi away

    Proof for B B S Construction Inc
    License
    CSLB 839266
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C15 Flooring and Floor Covering; C33 Painting and Decorating; C36 Plumbing
    Expires
    May 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    West Covina, CA · serves California
    Phone
    (951) 505-3143
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  12. B P Maintenance Plumbing Inc

    ActiveC36 Plumbing

    West Covina, CA · WC exempt · 8 mi away

    Proof for B P Maintenance Plumbing Inc
    License
    CSLB 1093046
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C36 Plumbing
    Expires
    Jun 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    West Covina, CA · serves California
    Phone
    (626) 841-9535
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  13. B W K Plumbing

    ActiveC36 Plumbing

    Covina, CA · WC exempt · 7 mi away

    Proof for B W K Plumbing
    License
    CSLB 1084421
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C36 Plumbing
    Expires
    Dec 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Covina, CA · serves California
    Phone
    (626) 383-1275
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  14. Baldwin Builders

    ActiveC36 Plumbing+6

    Covina, CA · WC ✓ · 6 mi away

    Proof for Baldwin Builders
    License
    CSLB 992380
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    ASB Asbestos Certification; B General Building; C22 Asbestos Abatement; C36 Plumbing; D41 Siding and Decking; D64 Non-specialized; HAZ Hazardous Substance Removal
    Expires
    Apr 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Covina, CA · serves California
    Phone
    (909) 599-0033
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  15. Baumann Waterworks

    ActiveC36 Plumbing

    Ontario, CA · WC exempt · 10 mi away

    Proof for Baumann Waterworks
    License
    CSLB 1020247
    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
    Ontario, CA · serves California
    Phone
    (909) 319-1015
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  16. Bc7 Construction Inc

    ActiveC36 Plumbing+1

    Ontario, CA · WC ✓ · 10 mi away

    Proof for Bc7 Construction Inc
    License
    CSLB 1049615
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    B General Building; C36 Plumbing
    Expires
    Jan 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Ontario, CA · serves California
    Phone
    (626) 340-9980
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  17. Big Smile Plumbing

    ActiveC36 Plumbing+2

    Covina, CA · WC ✓ · 7 mi away

    Proof for Big Smile Plumbing
    License
    CSLB 1078521
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    ASB Asbestos Certification; B General Building; C36 Plumbing
    Expires
    Nov 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Covina, CA · serves California
    Phone
    (510) 470-9990
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  18. Boldt Anthony Alan

    ActiveC36 Plumbing

    Pomona, CA · WC exempt · 5 mi away

    Proof for Boldt Anthony Alan
    License
    CSLB 892137
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C36 Plumbing
    Expires
    Mar 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Pomona, CA · serves California
    Phone
    (626) 372-2174
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  19. Bonilla Christopher

    ActiveC36 Plumbing

    Walnut, CA · WC exempt · 9 mi away

    Proof for Bonilla Christopher
    License
    CSLB 1002675
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C36 Plumbing
    Expires
    Apr 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Walnut, CA · serves California
    Phone
    (562) 686-1110
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  20. Bow Tie Plumbing & Rooter

    ActiveC36 Plumbing

    Rancho Cucamonga, CA · WC ✓ · 10 mi away

    Proof for Bow Tie Plumbing & Rooter
    License
    CSLB 1066845
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C36 Plumbing
    Expires
    Jul 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (909) 804-8000
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

More cities in California

Free for people · nobody pays to rank. Run one of these businesses? Claim it free.

Checked facts from public license files · How ranking works