Last verified: Next check due: 75 official sources How we verify

California general contractor license

General building contractors in California need the B license. The B-2 license covers remodels of existing homes that use 3 or more unrelated trades. (source: CSLB class description: B General Building Contractor (opens in a new tab), source: CSLB class description: B-2 Residential Remodeling Contractor (opens in a new tab))

Check a license on the CSLB website (official site, opens in a new tab)

How: Search by license number (digits only), business name or person name. For "John Smith Construction" type "Smith John Con". (source: CSLB Check a License (opens in a new tab))

Checked against official Contractors State License Board sources. See sources.

1. Who needs a license

$1,000 or more for a job (labor and materials) means a license is needed. (source: CSLB industry bulletin: AB 2622 implementation (opens in a new tab), source: AB 2622 (Business and Professions Code 7048) (opens in a new tab))

A license is needed for any job of $1,000 or more, counting labor, materials and everything else. This rule started on 1 January 2025. Before that the limit was $500. (source: CSLB industry bulletin: AB 2622 implementation (opens in a new tab), source: AB 2622 (Business and Professions Code 7048) (opens in a new tab))

Home Improvement Salespeople

Penalties for unlicensed work

2. General contractor license classes

ClassNameCovers
BGeneral Building ContractorExcept as provided in this section, a general building contractor is a contractor whose principal contracting business is in connection with any structure built, being built, or to be built, for the support, shelter, and enclosure of persons, animals, chattels, or movable property of any kind, requiring in its… (source: CSLB class description: B General Building Contractor (opens in a new tab))
B-2Residential Remodeling ContractorA residential remodeling contractor is a contractor whose principal contracting business is in connection with any project to make improvements to, on, or in an existing residential wood frame structure, and the project requires the use of at least three unrelated building trades or crafts for a single contract. (source: CSLB class description: B-2 Residential Remodeling Contractor (opens in a new tab))

3. Fees, exam, bond and insurance

Fees

FeeAmount
Application fee (exam or waiver, one class)$450 (source: CSLB Fees (opens in a new tab))
Initial license fee, sole owner$200 (source: CSLB Fees (opens in a new tab))
Initial license fee, non-sole owner$350 (source: CSLB Fees (opens in a new tab))
Add a class to an existing license$230 (source: CSLB Fees (opens in a new tab))
Active renewal, sole owner
C-10: $470
$450 (source: CSLB Fees (opens in a new tab))
Active renewal, non-sole owner
C-10: $720
$700 (source: CSLB Fees (opens in a new tab))
Late active renewal, sole owner
C-10: $695
$675 (source: CSLB Fees (opens in a new tab))
Late active renewal, non-sole owner
C-10: $1,070
$1,050 (source: CSLB Fees (opens in a new tab))
Inactive renewal, sole owner$300 (source: CSLB Fees (opens in a new tab))
Inactive renewal, non-sole owner$500 (source: CSLB Fees (opens in a new tab))
Home Improvement Salesperson (HIS) registration
Renewal is also $200
$200 (source: CSLB Fees (opens in a new tab))
Asbestos or HAZ certification application
Each
$125 (source: CSLB Fees (opens in a new tab))
Live Scan fingerprints: DOJ fee
Plus the Live Scan site fee
$32 (source: CSLB Fees (opens in a new tab))
Live Scan fingerprints: FBI fee$17 (source: CSLB Fees (opens in a new tab))

Fees are set by the board and can change. Check the official fee page before you pay.

Experience and steps

Experience: 4 years. The qualifier needs 4 years of journey-level experience (or as a foreman, supervisor, contractor or owner-builder) in the class, within the last 10 years. (source: CSLB: Before applying for a license (opens in a new tab), source: CSLB: Experience for the exam (opens in a new tab))

  1. Check your experience You need 4 years of journey-level experience in the class within the last 10 years. (source: CSLB: Experience for the exam (opens in a new tab))
  2. Pick your class Choose the CSLB class that matches your work, such as C-20 for HVAC or C-10 for electrical. (source: CSLB Licensing Classifications (opens in a new tab))
  3. Apply and pay Send the application with the $450 fee. (source: CSLB Fees (opens in a new tab))
  4. Get fingerprinted Do a Live Scan fingerprint and background check. (source: CSLB Fees (opens in a new tab))
  5. Pass the exams Pass the Law and Business exam and the trade exam, plus the open-book asbestos exam. (source: CSLB: Applicants (opens in a new tab))
  6. File your bond and pay the license fee File a $25,000 contractor bond, show workers' comp or an exemption, then pay the initial license fee. (source: CSLB: Bond requirements (opens in a new tab), source: CSLB: Workers' compensation (opens in a new tab), source: CSLB Fees (opens in a new tab))

Exam

An exam is required. (source: CSLB: Applicants (opens in a new tab))

Bond

$25,000 bond required. A $25,000 contractor bond (or a $25,000 cashier's check) is needed before you get an active license. This amount applies since 1 January 2023. (source: CSLB: Bond requirements (opens in a new tab), source: CSLB: Before applying for a license (opens in a new tab))

Insurance

Renewal

Active licenses renew every 2 years. Inactive licenses renew every 4 years. (source: CSLB: General renewal information (opens in a new tab))

4. How to look up a contractor

Check a license on the CSLB website (official site, opens in a new tab)

How: Search by license number (digits only), business name or person name. For "John Smith Construction" type "Smith John Con". (source: CSLB Check a License (opens in a new tab))

You can search by: License number, Business name, Person name, HIS registration. (source: CSLB Check a License (opens in a new tab))

More ways to check

Full checklist: how to check a contractor

5. Reciprocity (license transfer)

Use the reciprocity checker

6. Red flags when hiring

7. How to complain

How to file a complaint

8. Sources and last verified

Last verified: . Next check due: . Every fact on this page links to one of these official pages. How we verify.

  1. CSLB Check a License (opens in a new tab) (checked Oct 24, 2026)
  2. CSLB industry bulletin: AB 2622 implementation (opens in a new tab) (checked Oct 24, 2026)
  3. AB 2622 (Business and Professions Code 7048) (opens in a new tab) (checked Oct 24, 2026)
  4. CSLB "What You Should Know" pamphlet (older, says $500) (opens in a new tab) (checked Oct 24, 2026)
  5. CSLB Licensing Classifications (opens in a new tab) (checked Oct 24, 2026)
  6. CSLB: Before applying for a license (opens in a new tab) (checked Oct 24, 2026)
  7. CSLB: Experience for the exam (opens in a new tab) (checked Oct 24, 2026)
  8. CSLB: Applicants (opens in a new tab) (checked Oct 24, 2026)
  9. CSLB Fees (opens in a new tab) (checked Oct 24, 2026)
  10. CSLB: Qualifying for waivers (opens in a new tab) (checked Oct 24, 2026)
  11. Business and Professions Code 7065.1 (opens in a new tab) (checked Oct 24, 2026)
  12. CSLB: General renewal information (opens in a new tab) (checked Oct 24, 2026)
  13. CSLB: Bond requirements (opens in a new tab) (checked Oct 24, 2026)
  14. CSLB: Bond basics (opens in a new tab) (checked Oct 24, 2026)
  15. CSLB: Finding the right contractor (opens in a new tab) (checked Oct 24, 2026)
  16. CSLB: Contracts and binding agreements (opens in a new tab) (checked Oct 24, 2026)
  17. CSLB: Workers' compensation (opens in a new tab) (checked Oct 24, 2026)
  18. CSLB: LLC information (opens in a new tab) (checked Oct 24, 2026)
  19. CSLB: Before applying for HIS registration (opens in a new tab) (checked Oct 24, 2026)
  20. Business and Professions Code 7152 (opens in a new tab) (checked Oct 24, 2026)
  21. CSLB: Reciprocity (opens in a new tab) (checked Oct 24, 2026)
  22. CSLB: Application for original license (waiver) (opens in a new tab) (checked Oct 24, 2026)
  23. Business and Professions Code 7028 (opens in a new tab) (checked Oct 24, 2026)
  24. CSLB: After you file your complaint (opens in a new tab) (checked Oct 24, 2026)
  25. CSLB: Filing a complaint (opens in a new tab) (checked Oct 24, 2026)
  26. DIR Electrician Certification FAQ (opens in a new tab) (checked Oct 24, 2026)
  27. DIR electrician certification categories (opens in a new tab) (checked Oct 24, 2026)
  28. California Labor Code 108.2 (opens in a new tab) (checked Oct 24, 2026)
  29. EPA Section 608 technician certification (opens in a new tab) (checked Oct 24, 2026)
  30. 40 CFR Part 82 Subpart F (opens in a new tab) (checked Oct 24, 2026)
  31. CSLB class description: A General Engineering Contractor (opens in a new tab) (checked Oct 24, 2026)
  32. CSLB class description: B General Building Contractor (opens in a new tab) (checked Oct 24, 2026)
  33. CSLB class description: B-2 Residential Remodeling Contractor (opens in a new tab) (checked Oct 24, 2026)
  34. CSLB class description: C-2 Insulation and Acoustical Contractor (opens in a new tab) (checked Oct 24, 2026)
  35. CSLB class description: C-4 Boiler, Hot Water Heating and Steam Fitting Contractor (opens in a new tab) (checked Oct 24, 2026)
  36. CSLB class description: C-5 Framing and Rough Carpentry Contractor (opens in a new tab) (checked Oct 24, 2026)
  37. CSLB class description: C-6 Cabinet, Millwork and Finish Carpentry Contractor (opens in a new tab) (checked Oct 24, 2026)
  38. CSLB class description: C-7 Low Voltage Systems Contractor (opens in a new tab) (checked Oct 24, 2026)
  39. CSLB class description: C-8 Concrete Contractor (opens in a new tab) (checked Oct 24, 2026)
  40. CSLB class description: C-9 Drywall Contractor (opens in a new tab) (checked Oct 24, 2026)
  41. CSLB class description: C-10 Electrical Contractor (opens in a new tab) (checked Oct 24, 2026)
  42. CSLB class description: C-11 Elevator Contractor (opens in a new tab) (checked Oct 24, 2026)
  43. CSLB class description: C-12 Earthwork and Paving Contractor (opens in a new tab) (checked Oct 24, 2026)
  44. CSLB class description: C-13 Fencing Contractor (opens in a new tab) (checked Oct 24, 2026)
  45. CSLB class description: C-15 Flooring and Floor Covering Contractor (opens in a new tab) (checked Oct 24, 2026)
  46. CSLB class description: C-16 Fire Protection Contractor (opens in a new tab) (checked Oct 24, 2026)
  47. CSLB class description: C-17 Glazing Contractor (opens in a new tab) (checked Oct 24, 2026)
  48. CSLB class description: C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor (opens in a new tab) (checked Oct 24, 2026)
  49. CSLB class description: C-21 Building Moving/Demolition Contractor (opens in a new tab) (checked Oct 24, 2026)
  50. CSLB class description: C-22 Asbestos Abatement Contractor (opens in a new tab) (checked Oct 24, 2026)
  51. CSLB class description: C-23 Ornamental Metal Contractor (opens in a new tab) (checked Oct 24, 2026)
  52. CSLB class description: C-27 Landscaping Contractor (opens in a new tab) (checked Oct 24, 2026)
  53. CSLB class description: C-28 Lock and Security Equipment Contractor (opens in a new tab) (checked Oct 24, 2026)
  54. CSLB class description: C-29 Masonry Contractor (opens in a new tab) (checked Oct 24, 2026)
  55. CSLB class description: C-31 Construction Zone Traffic Control Contractor (opens in a new tab) (checked Oct 24, 2026)
  56. CSLB class description: C-32 Parking and Highway Improvement Contractor (opens in a new tab) (checked Oct 24, 2026)
  57. CSLB class description: C-33 Painting and Decorating Contractor (opens in a new tab) (checked Oct 24, 2026)
  58. CSLB class description: C-34 Pipeline Contractor (opens in a new tab) (checked Oct 24, 2026)
  59. CSLB class description: C-35 Lathing and Plastering Contractor (opens in a new tab) (checked Oct 24, 2026)
  60. CSLB class description: C-36 Plumbing Contractor (opens in a new tab) (checked Oct 24, 2026)
  61. CSLB class description: C-38 Refrigeration Contractor (opens in a new tab) (checked Oct 24, 2026)
  62. CSLB class description: C-39 Roofing Contractor (opens in a new tab) (checked Oct 24, 2026)
  63. CSLB class description: C-42 Sanitation System Contractor (opens in a new tab) (checked Oct 24, 2026)
  64. CSLB class description: C-43 Sheet Metal Contractor (opens in a new tab) (checked Oct 24, 2026)
  65. CSLB class description: C-45 Sign Contractor (opens in a new tab) (checked Oct 24, 2026)
  66. CSLB class description: C-46 Solar Contractor (opens in a new tab) (checked Oct 24, 2026)
  67. CSLB class description: C-47 General Manufactured Housing Contractor (opens in a new tab) (checked Oct 24, 2026)
  68. CSLB class description: C-49 Tree and Palm Contractor (opens in a new tab) (checked Oct 24, 2026)
  69. CSLB class description: C-50 Reinforcing Steel Contractor (opens in a new tab) (checked Oct 24, 2026)
  70. CSLB class description: C-51 Structural Steel Contractor (opens in a new tab) (checked Oct 24, 2026)
  71. CSLB class description: C-53 Swimming Pool Contractor (opens in a new tab) (checked Oct 24, 2026)
  72. CSLB class description: C-54 Ceramic and Mosaic Tile Contractor (opens in a new tab) (checked Oct 24, 2026)
  73. CSLB class description: C-55 Water Conditioning Contractor (opens in a new tab) (checked Oct 24, 2026)
  74. CSLB class description: C-57 Well Drilling Contractor (opens in a new tab) (checked Oct 24, 2026)
  75. CSLB class description: C-60 Welding Contractor (opens in a new tab) (checked Oct 24, 2026)

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