If you are facing a breach of trust in a relationship or a complex legal dispute, obtaining an objective answer is the first step toward resolution. At California Lie Detection, we provide professional polygraph and lie detector testing specifically for private individuals and legal cases across Northern California.
Whether you are seeking clarity on a matter of infidelity or need a forensically reliable truth verification for a legal case, we offer expert examinations in Chico, Vallejo, Redding, and Yuba City.
As with all non‑polygraph technologies, California Evidence Code 351.1 applies. No method guarantees 100% accuracy. Our results are validated for private use and as a forensically reliable tool for private truth verification.
Getting the answers you need requires more than just specialized equipment; it requires a structured, professional environment where the subject feels both the gravity of the situation and the fairness of the process. We streamline the scheduling of lie detector tests to minimize stress for both the requester and the examinee.
Our mobile and office-based services cover the core of Northern California, ensuring you don’t have to travel to the Bay Area or Sacramento for expert forensic analysis. We prioritize travel to our primary geo anchors:
The process begins with a confidential consultation to define the “issue of focus.” Once the examination is booked, we provide specific instructions on how to prepare, ensuring the subject is physically and mentally fit for testing to maintain the highest level of reliability.
Ready to schedule?
Our examiners are available for in-person polygraph testing in Chico, Redding, and Vallejo.
Call (530) 345-5678 for Pricing & Availability
Choosing the correct truth verification tool depends on your specific needs, location, and the nature of the dispute. While both methods are validated for private use, they utilize different scientific approaches to detect deception.
Polygraph examinations start at $500, with pricing based on the type of exam, number of issues covered, and whether a formal written report is required. A standard single-issue test typically runs $500 to $900, while legal or multi-issue exams can range from $1,000 to $1,500 or more. All fees are discussed and confirmed before your appointment.
The CVSA is a voice-based risk assessment tool that functions as an additional layer of forensic analysis. It measures the FM frequencies in the human voice which change under the stress of deception. Private CVSA examinations start at $400, with final pricing based on the complexity of the case and time required for a thorough, defensible report. More involved issues, rush scheduling, or additional documentation may increase the fee, and all costs are discussed up front before booking.
| Feature | Modern Polygraph | CVSA (Voice Stress) |
|---|---|---|
| Primary Metric | Multi-system physiological (Heart, Breath, Sweat) | Voice-based micro-tremor analysis |
| Best For | Infidelity, Legal, & High-Stakes Private Cases | Initial screening & Remote assessments |
| Location | In-person at Vallejo, Chico, or Redding | In-person or Remote-capable |
| Duration | 90–120 Minutes | 60–90 Minutes |
| Pricing | Starting at $500 | Starting at $400 |
| Reliability | Gold standard for private truth verification | Forensic risk assessment tool |
When seeking truth verification in Northern California, it is vital to understand the distinction between private reliability and courtroom admissibility. At California Lie Detection, we provide tools that are forensically reliable for private truth verification, but we operate within the specific constraints of the California legal system.
Under California Evidence Code 351.1, polygraph results are generally not admissible in criminal proceedings unless all parties involved enter into a formal stipulation. This is why our services are primarily utilized by:
We avoid overclaims of 100% accuracy. Instead, we rely on validated scoring algorithms that provide a “validated for private use” outcome. Factors such as a subject’s health, medications, or extreme emotional distress are accounted for by our examiners to ensure the most accurate reading possible for the specific conditions of the test.
As with all non‑polygraph technologies, California Evidence Code 351.1 applies. No method guarantees 100% accuracy. Our assessments are intended as a high-confidence risk assessment tool for private decision-making.
Navigating the world of truth verification can be confusing. Below are the most frequent questions we receive from clients in Chico, Redding, and Vallejo.
Can a person refuse a polygraph test for a job interview?
In most private employment sectors in California, the Employee Polygraph Protection Act (EPPA) prohibits private employers from requiring a lie detector test as a condition of employment. Our services focus primarily on private domestic issues, legal defense, and specific corporate investigations allowed under federal law.
Are polygraph results admissible in Northern California courts?
Generally, no. Under California Evidence Code 351.1, results are inadmissible in criminal cases without a prior stipulation from both the defense and the prosecution. However, they are frequently used in private negotiations, family mediation, and to provide “peace of mind” in personal disputes.
What is the cost of a lie detector test in North Central CA?
A professional in-person polygraph starts at $500. For a more budget-friendly or remote-capable option, our CVSA (voice stress) exams start at $400.
How long does the appointment take?
A standard polygraph requires 2 to 3 hours. This includes a pre-test interview, the data collection phase, and the post-test analysis. CVSA exams are typically shorter, lasting roughly 60 to 90 minutes.
Can minors undergo testing?
We do not typically test minors under the age of 14. For minors aged 14–17, written parental consent is strictly required, and the examination must be deemed appropriate for the minor’s emotional maturity.
Stop wondering and start knowing. Whether you need a polygraph in Chico or a remote CVSA from Yuba City, California Lie Detection provides the forensic clarity you deserve.
Call (530) 345-5678 or Email (schedule@californialiedetector.com )Schedule Your Exam Now
Direct Forensic Support for Chico, Redding, Vallejo, and Yuba City.