Looking for a dependable private investigation agency in Alameda County? For nearly three decades, Tristar Investigation has been the choice of attorneys, businesses, and families across the Bay Area. From Oakland and Berkeley to Fremont, Hayward, and beyond, our licensed investigators deliver facts with discretion and professionalism. Whether your concern is legal, financial, or personal, we provide clear evidence so you can protect your interests and move forward with confidence.
Tristar’s Private Detective Services in Alameda County, CA
When you hire a private investigation company, you need more than experience — you need investigators who understand the local area and can deliver results. At Tristar Investigation, our team has decades of experience handling sensitive cases for individuals, law firms, and corporations throughout Alameda County.
Below are our core investigative services:
Support for Employment & Labor Law
Workplace disputes are common in Alameda County. Our private investigators assist employment lawyers with wage disputes, discrimination claims, and unsafe working conditions. We:
- Locate and interview witnesses for wage-and-hour cases.
- Collect payroll evidence, statements, and supporting documents.
- Deliver organized reports ready for courtroom use.
This investigative work helps employees get justice and equips attorneys with strong evidence to pursue fair outcomes.
Financial & Asset Investigations
Before entering settlements or pursuing lawsuits, knowing the financial position of the opposing party is critical. Our investigators conduct thorough asset searches across Alameda County to uncover:
- Hidden bank accounts or properties.
- Undisclosed businesses or investments.
- Outstanding debts or obligations.
With this information, attorneys and clients can make informed legal and financial decisions.
Verifying Injury Claims with Surveillance
False injury or compensation claims cost businesses and insurers greatly. Our discreet surveillance verifies if claimants are truthful about their limitations. Using video documentation, we reveal exaggerated or fraudulent cases, saving our clients from unfair losses.
Legal Support and Process Service
Serving court papers can be difficult when individuals attempt to avoid them. Our private detectives locate subjects, confirm addresses, and complete deliveries efficiently. We know Alameda County’s neighborhoods well, ensuring timely and successful service of process.
Estate & Probate Investigations
We help probate attorneys resolve estate matters by locating missing heirs and confirming family ties. Our heir searches and due diligence reports support fair distribution of assets and reduce potential disputes.
Accident & Personal Injury Investigations
A quick response is essential after accidents. Our team canvasses sites for security footage, interviews witnesses, and documents the scene. This evidence strengthens personal injury claims and supports victims in pursuing compensation.
Need more details? Contact us
When accuracy is crucial, rely on investigators who deliver. Reach out to Tristar Investigation today for a private, no-obligation consultation. Call now and hire a private investigator in Alameda County to let one of our experienced detectives provide the answers and clarity you deserve.
Expanded Services for Every Need
In addition to these core services, Tristar Investigation offers many specialized investigation options:
Surveillance & Monitoring
- Spousal/Domestic Monitoring: Clear evidence for families with concerns.
- Infidelity Cases: Discreet proof of cheating through video and photo evidence.
- Subrosa Surveillance: Uncovers false claims in legal and insurance cases.
- Injury Surveillance: Confirms the truthfulness of injury claimants.
- Corporate Surveillance: Monitors employee conduct and protects company assets.
Family & Custody Matters
- Child Safety Checks: Evidence in cases of suspected neglect or abuse.
- Runaway Teen Searches: Locate missing teens with urgency and care.
- Missing Persons: Track long-lost relatives or recent disappearances.
- Divorce Investigations: Reveal hidden assets or infidelity impacting divorce cases.
- Family Reconnection: Help reconnect with estranged or lost relatives.
Fraud & Scam Investigations
- General Fraud: Evidence for online or in-person scams.
- Workers’ Compensation Fraud: Reveal false or inflated injury claims.
- Bankruptcy & Foreclosure Fraud: Detect hidden assets and dishonest disclosures.
Background Checks & Due Diligence
- Detailed Background Reports: On individuals and businesses.
- Personal Screening: For tenants, partners, or associates.
- Business Verification: Confirm ownership structures and hidden links.
Legal Support Services
- Witness Location & Contact: Secure cooperation while protecting privacy.
- Witness Statements: Accurate, court-ready documentation.
- Process Serving: Deliver legal papers, even to evasive parties.
- Subpoena Service: Fast, reliable subpoena delivery.
Asset & Financial Investigations
- Property & Account Discovery: Locate hidden or disputed assets.
- Asset Recovery: Assist in reclaiming stolen or missing property.
Corporate & Employee Investigations
- Employee Theft: Detect and document internal fraud.
- Intellectual Property Protection: Expose counterfeiting and misuse of trademarks.
- Corporate Intelligence: Market insights for risk reduction.
- Loss Prevention: Strategies to reduce fraud and theft.
- Workplace Misconduct: Investigations into disputes or discrimination.
- Employee Research: Verified lists and records for legal use.
Specialty Investigations
- Spanish-Speaking Investigators: Effective communication for Spanish-speaking clients.
- Bilingual Claims Assistance: Support in accident and insurance investigations.
- Accident Scene Documentation: On-site witness statements and records.
- Insurance Accident Checks: Verify claim details and uncover fraud.
Whether you need a local private investigator firm in Alameda County or a large private investigation company with statewide reach, Tristar Investigation offers the experience and resources to deliver trusted results.
Why Choose Tristar Investigation?
With over 28 years in business, Tristar Investigation has become one of the top private investigation firms in the US.
Recognized by major media outlets, our firm is known for reliability and excellence. With a 97% case success rate, we provide clients with clear, practical, and dependable results.
We prioritize confidentiality, ensuring every sensitive matter is managed with the highest level of discretion.
Here’s what you can always expect from us:
- Proven Experience: Over 28 years of investigation work in Newport Beach, CA...
- Strong Track Record: 97% of cases resolved with evidence accepted in legal settings.
- Confidential Approach: Every case is managed with respect for privacy and discretion.
- Local Expertise: Deep understanding of Alameda County neighborhoods, culture, and legal environment.
- Trusted Reputation: Acknowledged by media and clients alike.
Our Commitment to You
At Tristar Investigation, we only take on cases when we are certain we can deliver the results you need. Once we begin, our team works with professionalism, efficiency, and full attention to your satisfaction. At the end of the process, you’ll receive a clear, well-organized report, and we’ll follow up to make sure every concern has been addressed.
We know investigations often involve sensitive and personal matters. That’s why every case is treated with the highest level of discretion and respect. Reach out to us today by phone or email, and let us provide the clarity and peace of mind you’re looking for.
We Serve All of California
Here are a few of the counties and cities where we have helped clients get the information they need: