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Irrigation Technician — IT
Total cost: $1,480-$2,680
Some details on this page are not yet confirmed against an official source. See sources below or contact the licensing board to verify.
Yes
License Required
C-27 Landscaping Contractor or D-35 Landscaping Specialty (CSLB)
License Type
Required
Backflow Cert
Yes
Exam Required
$1,480-$2,680
Total Initial Fees
Biennial (2 years)
Renewal
California irrigation licensing and certification requirements
VerifiedLicense Required
Yes
C-27 Landscaping Contractor or D-35 Landscaping Specialty (CSLB)
Issuing Authority
California Contractors State License Board (CSLB)
Backflow Certification
Required
Backflow prevention certification through local water agencies. Annual device testing required.
Contractor License
Required
C-27 Landscaping Contractor license from CSLB covers irrigation installation. D-35 Landscaping specialty under a General Engineering (A) or General Building (B) license also qualifies. Requires passing trade and law exams.
Irrigation technician licensing varies significantly by state. Some states require a dedicated irrigation contractor license, while others regulate irrigation work under plumbing or general contractor licenses. Backflow prevention certification is required in virtually all jurisdictions for work involving connections to potable water supplies.
Not sure if you need a irrigation technician license? Check whether your state requires one.
Education, Experience & Exam Requirements
VerifiedFormal Education Required
No
No formal education degree required, but knowledge of irrigation systems, hydraulics, water management, and local codes is necessary to pass the licensing exam.
State Exam Required
Yes
State licensing exam required. Covers irrigation system design, installation, maintenance, water management, backflow prevention, and applicable codes and regulations.
Experience Required
4 years of journeyman-level experience in the trade
Industry Certifications
No formal college degree is required to become an irrigation technician. However, knowledge of irrigation system design, hydraulics, water management, and backflow prevention is essential. Industry certifications from the Irrigation Association (IA) — such as CIC, CID, and CLIA — are widely recognized and can enhance career opportunities and earning potential.
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Insurance Coverage & Bonding
Mostly verifiedGeneral Liability
General liability insurance required for licensed contractors. Minimum $500,000-$1,000,000 coverage typically required.
Bond Required
Yes
Bond Details
Surety bond may be required as part of contractor licensing. Amount varies by state and license type.
Workers' Compensation
Workers' compensation insurance required in most states for businesses with employees.
General liability insurance of $500,000 to $1,000,000 is recommended for all irrigation contractors and often required by states with licensing programs. Workers' compensation insurance is required in most states for businesses with employees. Some states also require a surety bond as part of the contractor licensing process.
| Fee | Amount |
|---|---|
License Fee California irrigation license application/issuance fee | $330 |
Exam Fee State licensing exam fee | $450 |
Backflow Certification Fee Backflow prevention certification course and exam (ASSE, ABPA, or state-approved provider) | $150-$400 |
Insurance Cost Annual general liability insurance premium (varies by coverage amount and business size) | $500-$1,500 |
Total Initial Fees Includes license fee, exam fee, backflow certification, and insurance. California requires a specific irrigation license. | $1,480-$2,680 |
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Renewal Requirements & Ongoing Obligations
Mostly verifiedBiennial (2 years)
Renewal Period
Not Required
Continuing Education
$400
Renewal Fee
Backflow Recertification
Backflow prevention certification typically requires annual or biennial recertification and device testing.
Regulatory Board
Irrigation license renewal requirements vary by state. Backflow prevention certification typically requires annual or biennial recertification, and backflow prevention devices must be tested annually in most jurisdictions. Continuing education requirements, where applicable, help ensure technicians stay current with water conservation technologies and code changes.
California requires a C-27 Landscaping Contractor license or D-35 Landscaping specialty from CSLB. The state's severe drought history drives strict water efficiency regulations.
California requires a specific license for irrigation contractors: C-27 Landscaping Contractor or D-35 Landscaping Specialty (CSLB).
Backflow prevention certification is required for testing and repairing backflow prevention assemblies on irrigation systems connected to potable water supplies.
Cross-connection control is regulated by local water utilities in most jurisdictions. Annual testing of backflow prevention devices is typically required.
Industry certifications from the Irrigation Association (IA) — such as CIC, CID, and CLIA — are widely recognized and can enhance career opportunities.
Water conservation is a critical concern in California. Knowledge of smart controllers, drip irrigation, and water-efficient design is essential.
Irrigation Technician requirements in nearby states
See how California compares: Irrigation Technician License Fees by State — Cheapest to Most Expensive →
Compare irrigation technician requirements across all states →
Irrigation Technician licensing requirements nationwide →
Not sure irrigation technician is right for you? Find careers that match your situation →
How does California compare to other states for irrigation technician? See the full comparison →
Calculate the return on investment for your irrigation technician license →
Explore requirements for other professional licenses in California.
Irrigation Technician Schools in California
Compare approved training programs, costs, and requirements.
Study guides for irrigation contractor licensing and backflow certification exams.
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Irrigation Technician requirements in California verified against California Contractors State License Board (CSLB), March 2026.
Accessed 2025-01-15
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California requires a state license for irrigation contractors: C-27 Landscaping Contractor or D-35 Landscaping Specialty (CSLB). Backflow prevention certification is required. C-27 Landscaping Contractor license from CSLB covers irrigation installation. D-35 Landscaping specialty under a General Engineering (A) or General Building (B) license also qualifies. Requires passing trade and law exams. Licensing and regulation is managed through the California Contractors State License Board (CSLB).
Requirements vary by state and locality. Always verify current requirements with your state licensing authority and local water utility.