Free CA Branch 3 Exam Prep
California Structural Pest Control Board Branch 3 (Wood-Destroying Organisms)
Prepare for the CA Branch 3 exam without spending hundreds on expensive prep courses. Free study guides, practice questions, flashcards, and related exam resources.
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California Structural Pest Control Licenses License: Complete Roadmap
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Termite & WDO IdentificationYou are here
Master identification and biology of subterranean, drywood, and dampwood termites, wood-boring beetles, carpenter ants, and wood-decay fungi, plus mud tubes, pellets, frass, and damage signs (~30% of the exam).
WDO Inspection Reports
Learn to write the WDO report: Section 1 versus Section 2 findings, inaccessible areas, structure diagrams, and report types on the SPCB prescribed form (~20%).
Treatments, Safety & Structural Repair
Study soil treatment, baiting, borates, local/heat treatments, label and PPE safety, the Branch 1 fumigation exclusion, and structural damage assessment and repair (~32%).
California Law & Consumer Protection
Cover the Structural Pest Control Act, branch scope, report filing deadlines, recordkeeping, public records, and ethics, then complete the 100-question practice bank and review every miss with the AI tutor (~18%).
Can You Take the CA Branch 3 Exam?
Check if you meet the basic eligibility requirements
- •Submit an SPCB license application and meet experience/sponsorship requirements for the license level (Field Representative, Operator, or Applicator)
- •Receive application approval before scheduling the examination
- •Schedule and pass the computer-based Branch 3 examination administered by PSI
- •Achieve a minimum score of 70% to pass
CA Branch 3 Quick Facts
Time to Get Licensed
4-8 weeks typical (self-paced)
From start to license in hand
Retake Policy
Candidates who do not pass may reapply and retake the examination through PSI per SPCB policy; an additional exam fee applies.
Total Cost Breakdown
Free CA Branch 3 Prep Tools
187+ Practice Questions
Practice by topic with detailed answer explanations
AI Tutor Explains Mistakes
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Updated for 2026
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What You'll Study
8 chapters covering the exam topics in this guide
Chapter 1: Licensing, Law & Branch 3 Scope
3 sections
Chapter 2: Termite Identification & Biology
3 sections
Chapter 3: Wood-Boring Beetles, Carpenter Ants & Decay Fungi
4 sections
Chapter 4: WDO Inspection Reports
4 sections
Chapter 5: Treatment Methods
3 sections
Chapter 6: Pesticide Safety & the Branch 1 Exclusion
3 sections
Chapter 7: Structural Repair & Damage Assessment
3 sections
Chapter 8: Consumer Protection & Exam Readiness
3 sections
CA Branch 3 Exam Details
California Structural Pest Control Board Branch 3 (Wood-Destroying Organisms)
Administered by California Structural Pest Control Board (SPCB)
Exam Content Breakdown
Based on the official California Structural Pest Control Board (SPCB) content outline
Identification and biology of subterranean, drywood, and dampwood termites, wood-boring beetles (lyctid/anobiid/bostrichid/cerambycid), carpenter ants, and wood-decay fungi, including castes, swarmers, mud tubes, pellets, frass, and damage patterns
Writing the Wood Destroying Pests and Organisms inspection report: Section 1 (active) versus Section 2 (conducive) findings, inaccessible areas, structure diagrams, limited/supplemental/reinspection reports, and the SPCB prescribed form
Soil termiticide treatment, baiting systems, borates, local/foam/heat treatments, non-repellent chemistry, the pesticide label, signal words, PPE, environmental protection, and the Branch 1 fumigation exclusion
Identifying structural versus non-structural damage, framing members and load paths, sistering, post and member replacement, shoring, and correcting conducive conditions during repair
Structural Pest Control Act, branch scope and license types, report filing deadlines (10 business days), recordkeeping, continuing education, company registration, and notification requirements
Public-record reports (two-year availability), complaints and Board enforcement, accurate reporting, guarantees and warranties, ethics, and avoiding overselling
What's Included
8 Chapters
Complete exam coverage
Practice Quizzes
With detailed explanations
Free to Start
No credit card required
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What's Next After the CA Branch 3?
After passing the CA Branch 3, you can pursue these career paths
CA Branch 3 Exam FAQ
Official California Structural Pest Control Board (SPCB) Resources
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