Foremost Private Investigator Services in Southern California

Stone Investigation Services is a family-owned private investigator firm located in Fontana. Our team of skilled investigators is dedicated to providing you with the highest quality service available. We understand that seeking the help of a private investigator can be overwhelming, which is why we take the time to listen to our clients and tailor our services to meet their unique needs.

Our services are customized according to the client’s needs, from heir searching and criminal defense to personal identity confirmation and background checks. Our unique identity confirmation services, including personal identity confirmation, address confirmation, and third-party identity verification checks for high-dollar transactions, can help establish trust for commercial and professional relationships. We also offer locating services for missing persons, hard-to-find individuals, and hard-to-locate assets.

Merit and satisfaction are of special importance to us. That is why we provide detailed work on your schedule. Our dedication to providing high-quality service and consistent results is what drives our business. We strive to provide the most reliable and accurate results, ensuring our clients’ peace of mind.

Fundamentally, we believe that knowledge is power. Our years of investigative experience and training allow us to provide customized services and results tailored to meet our clients' individual needs. We provide diligent research and communication, ensuring that our clients always have accurate and up-to-date information for their needs.

At Stone Investigation Services, we are dedicated to providing our clients with the highest quality service possible. Our team of experienced investigators uses their specialized skills and expertise to meet our clients’ individual needs and provide reliable and effective results. Contact us today at (909) 684-7038 to learn more or to start a new investigation.