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    California Detective Agency

    5.0 (5 reviews)
    Closed 8:30 am - 5:00 pm

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    Peterson Investigations

    Peterson Investigations

    4.9
    (147 reviews)

    Five Stars Isn't Enough for Eric Peterson! I would give him 100 stars if I could!…read more If you need a process server or private investigator who actually gets the job done, look no further than Eric Peterson. To put it into perspective: my attorney had previously hired a process server who spent an entire month trying--and failing--to locate and serve the defendant in my case. After four frustrating weeks of zero progress, Eric stepped in. He had the defendant located and served in less than 24 hours. This wasn't an easy task, either. The service was at a highly secure and challenging location--one that seemed impossible for others, but proved to be no challenge at all for Eric. The level of efficiency, speed, and sheer professionalism he brings to the table is unmatched. Beyond his incredible skills and hustle, Eric is just a genuinely great person to work with--communicative, trustworthy, and deeply dedicated. He took a high-stress situation and completely turned it around overnight. I cannot recommend Eric Peterson highly enough. If you want results instead of excuses, he is your guy! I will be sure to use him if ever needed down the road.

    I've worked with this Peterson Investigations quite often in a professional capacity, so I was…read morealready familiar with their level of efficiency and reliability. Recently, I had to use their services for personal reasons, and they delivered the same high standard of service I've come to expect. They were extremely responsive, communicative, and handled my request with a strong sense of urgency. Serving legal documents can be time-sensitive and stressful, but they made the process smooth and straightforward from start to finish. It's reassuring to know that whether you're working alongside them professionally or relying on them personally, they consistently show professionalism, attention to detail, and dependability. I wouldn't hesitate to recommend them.

    Armando Zatarain Investigations

    Armando Zatarain Investigations

    4.7
    (36 reviews)

    Armando is a class act and did everything he said he was going to do and more. Going above and…read morebeyond is an understatement...I don't think he sleeps. He made himself available at all hours of the day, seven days a week. He even went and visited my daughter who was incarcerated every weekend and Xmas eve because she was not allowed live visitation. Not because he had to but because he thought it was the right thing to do. The case I retained Armando to investigate was a very serious and complex case in many faucets. Armando was always available, patient and kind throughout the entire process. I recommend Armando and his team to anyone looking for a PI who is responsive and not afraid to go above and beyond. Armando, thank you for everything you have done to help my daughter through this difficult time in her life. Our family is very grateful to have met you...you make a difference in the lives of others and we appreciate you!

    All I can say is WOW! Amy at Armando Zatarain Investigations did an absolute amazing job with my…read moreinvestigation! After living in my home for 27 years, I decided to sell. Once my property went into escrow it was discovered there was a lien from 1998 due to a lender/broker not removing it when he sold the loan. Obviously the lien had been paid as the home had been refinance a couple of time, but I needed to track the lender down as he was still needed to sign off on the lien, but to no avail. Amy not only tracked the company and owner down, but also put together a timeline of everything that took place and with whom in a nice report I could take to the California Department of Housing (HCD) and get the lien cleared. I honestly could not have done this without Amy's due diligence and dedication to get this resolved! I cannot state enough how impressed I was with her! I highly recommend Amy and Armando Zatarain Investigations to anyone who needs help! A plus is Amy is super nice to talk to:)

    Allen Investigations

    Allen Investigations

    4.5
    (16 reviews)

    If you need a great investigator with decades of experience, look no further than Debbie Allen. A…read moreformer police detective combined with years of experience as a PI; she is a true professional!!

    I just wanted to say thank you to Debra Allen for helping to reconnect me with my birth mother!…read moreIt's been 53 years of having no idea who she was and now happily I do! I had been searching with DNA matches to cousins on various ancestry sites and not getting any answers when I finally contacted Debra. It was time to know for sure. I was also under the false impression that my mother was no longer living so when Debra saw my file, found a name and told me she was she alive, I sort of panicked. I hadn't expected to be reaching out to a live person! What if she didn't want to connect, how would I handle that? I decided either way, I wanted to know. Debra coached me through what to do but left the final decisions up to me. I wrote a letter of introduction for myself, knowing that may be as close as I ever get. Debra kept me informed of all the steps as we took them because I've never done anything like this before. Debra reached out and I heard back immediately and then met my mom within days of that contact. It's been such a wonderful feeling to know I look like someone, something an adoptee fully understands. I now have a connection to history. I have known ancestry. It's odd to say but knowing about them has made such a difference in knowing about me. My father's identity is still a mystery but that's okay at this time. I have a mother who wants a relationship with me and we share so much in common it's like finding a new best friend. We just shared my birthday together 53 years later. I learned that she never got to see me at birth. Such a truly incredible gift! And to think I almost let fear get in the way. If you are on the fence about this, just do it! You've had a lifetime of not knowing, not connecting. Isn't it time to know? Connect yourself to history. It's like discovering a part of yourself that you never knew was missing. Like finding another half of a story you already thought you'd read. It's a very profound feeling. I highly recommend it!

    California Detective Agency - privateinvestigation - Updated August 2026

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