San Bernardino

Your local private investigator in San Bernardino. Tristar Investigation provides fully licensed and confidential investigative support to individuals, law firms, and businesses throughout the region.
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When you need a trusted private investigator in San Bernardino, CA, Tristar Investigation is the team you can count on. For 28 years, people, attorneys, and corporations throughout the area have depended on our licensed professionals for clear results and total discretion. From the city center to surrounding communities, we find the information you need to protect your interests and find a resolution.
Private Investigator Services in San Bernardino
The local commercial landscape can lead to workplace disputes. We assist employment lawyers with cases involving unpaid wages, allegations of discrimination, and workplace safety concerns. Our approach includes:
Employment & Labor Law Support
Regional business dynamics often create employment conflicts. We support legal teams with matters such as wage and hour disputes, discrimination claims, and reports of unsafe work environments. Our methodology features:
  • Finding and interviewing witnesses for group wage litigation.
  • Collecting documentation and signed statements to support unpaid wage claims.
  • Creating clear, fact-based reports that give attorneys a solid foundation for building strong cases.
This support helps ensure fair results for workers and gives legal counsel the evidence required for successful outcomes.
Asset & Financial Investigations
Before initiating legal action or negotiations, it is crucial to determine whether the other party can afford to pay. We conduct detailed asset searches across San Bernardino County. Our investigations reveal:
  • Hidden bank accounts, real estate, and property assets.
  • Undisclosed business ventures and personal investments.
  • Debts or financial obligations that could affect a case’s outcome.
Uncovering these details enables our clients and their lawyers to make informed decisions and effectively protect their financial well-being.
Surveillance & Injury Claim Verification
In an active area like San Bernardino, dishonest injury claims can happen. Our covert surveillance operations check the accuracy of workers’ compensation and personal injury claims. Using modern technology, we gather video proof to determine if a person’s actual activities align with their reported injuries, promoting honesty and saving insurance companies and defense attorneys time and money.
Process Service & Legal Support
Serving court documents in San Bernardino can be challenging when individuals are difficult to locate. We use tactical approaches, including skip-tracing, persistent monitoring, and timed delivery, to ensure subpoenas and legal notices are served correctly. Our knowledge of local jurisdictions and neighborhoods enables us to move legal proceedings forward efficiently and without delay.
Estate & Probate Investigations
When probate lawyers need to locate missing heirs or verify family trees, we offer expert assistance. We perform thorough heir searches, review global records, and create comprehensive due diligence reports. By accurately mapping family relationships, we support the correct distribution of assets and help minimize probate disputes.
Accident & Personal Injury Investigations
Acting quickly after an incident is vital. We locate nearby surveillance cameras, speak with witnesses, and examine the scene to reconstruct the events accurately. Securing this evidence early strengthens injury claims and helps affected individuals seek fair compensation.

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When you require definitive answers, you need specialists who are reliable and proficient. Contact Tristar Investigation today for a complimentary, private consultation. Let our San Bernardino private detectives assist you in discovering the truth.
Comprehensive Services for Any Situation
Beyond these primary specialties, Tristar Investigation provides a full suite of targeted investigative services:
Surveillance & Monitoring
  • Marital/Partner Surveillance: Discreet monitoring to confirm suspicions with tangible proof.
  • Infidelity Checks: Compiling photos, video, and detailed records for personal or court use.
  • Subrosa Operations: Undercover methods to expose fraud in insurance or legal contexts.
  • Injury Claim Verification: Determining if daily actions are consistent with claimed injuries.
  • Business Monitoring: Tailored observation to identify internal theft or policy violations.
Family & Custody Matters
  • Child Safety: Gathering evidence in cases of possible abuse, neglect, or unsafe environments.
  • Locating Runaway Teens: A fast, compassionate effort to find missing young people.
  • Missing Persons: Using current technology and reliable databases to find individuals, whether they went missing recently or long ago.
  • Divorce Proceedings: Discovering hidden assets, infidelity, or other wrongdoing to support your case.
  • Locate Someone: Helping reunite with biological family or old friends through verified searches
Fraud & Scam Investigations
  • Fraud and Scams: Looking into online scams or real-world deceit to uncover fraud and build a case.
  • Workers’ Compensation Fraud: Assisting employers and insurers in confirming the accuracy of claims.
  • Bankruptcy and Foreclosure Fraud: Finding hidden assets, false filings, and inconsistencies in financial matters.
Background Checks & Due Diligence
  • Background Checks: Comprehensive screening to check education, past employment, and criminal history.
  • Individual Verification: Reliable reports on potential renters, partners, or associates.
  • Business Due Diligence: Verifying a company’s financial status, ownership, and undisclosed connections.
Legal Support Services
  • Witness Locating: Finding and speaking with witnesses while protecting their confidentiality.
  • Witness Statements:Recording accurate, legally sound accounts from key individuals.
  • Process Service: Ensuring legal papers are delivered, even to hard-to-find people.
  • Subpoena Services: Efficiently serving subpoenas to get necessary documents or testimony.
Asset & Financial Investigations
  • Asset Searches: Locating properties, accounts, and valuables for divorce, collections, or other legal needs.
  • Asset Recovery: Finding and assisting in the return of stolen or wrongly taken property.
Corporate & Employee Investigations
  • Employee Theft: Confidential probes to document internal theft or fraudulent activity.
  • Intellectual Property Protection: Identifying counterfeit products, piracy, or unauthorized use of copyrighted material.
  • Corporate Intelligence: Insights on market trends, competition, and potential risks to inform business strategy.
  • Loss Prevention: Practical measures to reduce theft, fraud, and operational risks.
  • Employment Law Inquiries: Fact-based investigations into workplace issues, discrimination, or rule violations.
  • Employee List Research: Providing verified employee details for corporate or legal uses.
Specialty Investigations
  • Spanish-Speaking PI: Fluent services for Spanish-speaking clients.
  • Bilingual Claims Investigator: Overcoming language gaps in accident and insurance cases.
  • Accident Investigations: Collecting evidence at the scene, witness interviews, and record analysis.
Whether you’re looking for a private investigation agency with statewide reach or a trusted local expert in Riverside, Tristar Investigation offers the ideal balance of skill, flexibility, and proven results.
Why Choose Tristar Investigation?
With over 28 years of experience, our team handles every case with precision and a strict commitment to ethical standards. We are familiar with the specific factors involved in conducting investigations in a city like San Bernardino.
Our standing is demonstrated by features in leading media outlets, such as CNN and the Los Angeles Times, which showcase the trust we have earned. Importantly, we maintain a 97% success rate, delivering the definitive, actionable outcomes you require.
Confidentiality is our highest priority; we use secure communication and careful procedures to protect your privacy from start to finish.
Here’s what you can always expect from us:

Our Commitment to You

We only accept work where we are confident we can achieve a favorable outcome. Once we begin, we work diligently and with expertise, always prioritizing your satisfaction. You will receive a clear, simple-to-read report, free from complex terminology, and we will follow up to ensure you are satisfied with the results.
We understand that these situations can be sensitive. Your matter will be handled with the utmost discretion, respect, and attention. Contact us now to gain the knowledge you need to proceed with confidence and regain your sense of security.