Founded in 1988, John A. DeMarr, P.I. has developed a reputation as one of the most successful and reliable private investigator agencies in Alameda County, California.

Our staff of Alameda County private investigators has over 75 years of combined experience. We belong to the most prestigious private investigator organizations in California, including the California Association of Licensed Investigators, the World Association of Investigators and the Florida Association of Investigators.

When choosing an Alameda County private investigator, it is important to know that they use successful and ethical methodologies. We guarantee that all information developed in the course of our searches is obtained in a legal, ethical, honest and professional manner.
Our promise to our clients is that they will receive the best overall professional Alameda County private investigator service available. That’s why our Alameda County private investigator agency is staffed with police-trained and seasoned professional private investigators.

We're trained to deal with all aspects of private investigations and security.
The following services are brought to you from the Alameda County experts at the John A. DeMarr Private Investigation Agency:

Assets - Basic Asset Search - Extensive Asset Liability - Basic Asset Liability - Extensive Asset/Locate - Subrogation Background Investigation Criminal Background Checks Nanny Background Check Business Background Check Employee Background Check Due Diligence Locate Locate Skip Trace - Basic Locate Skip Trace - Extensive Pre-Employment Background Checks

Public Record Retrieval California Process Service California Subpoena Service Mobile Document Photocopy Insurance Claim Investigations Surveillance - Activity Checks Marital and Domestic Surveillance Undercover Operations Photography - Videography Statements and Interviews International Investigations Property Inspections Trademark Protection GPS Tracking Equipment Rentals & Sales

 

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John A. DeMarr, P.I. is one of the most widely respected private investigator agencies in Alameda County. Our firm assists the insurance industry, legal profession, Fortune 500 Corporations, as well as small businesses and individuals all over the world.

Please look at our success Stories and you will be convinced that we are a skilled private investigator firm that will help you in every way that we can.

More About Our Alameda County Private Investigator Services
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Information on all of our private investigator services

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For Your Information

1. Conducted in the county where the subject resides. Additional searches available.
2. We conduct one search based on the name and address provided.
3. Must meet FCRA requirements.
4. Restrictions apply, call for details.
5. Additional services are available. Contact us for a free consultation.

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We've provided a convenient online form for this service to serve you better.
Please include this form with your order. Call us with any questions.

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Call us with any questions at 877-4-DeMarr or 877-433-6277

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