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Insurance Investigation

Private Investigation


If you are serious about your results, we are your finest choice.




FULLY-LICENSED

Primary Territory
Southern California

Our primary territory is Southern California, with our home office being in San Dimas. San Dimas is conveniently located near the merger point of 4 of the largest counties in our nation: Los Angeles County and the Inland Empire (Orange/Riverside/San Bernardino Counties). We are within an hour of Kern, San Diego, and Ventura counties as well. Dedicated clients often ask us to handle cases in the expanded scope of all 13 Southern California counties, which include: Imperial, Indio, Kern, Kings, Los Angeles, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, Tulare, and Ventura.

If you need us to perform beyond this listed range, or if we develop leads which expand beyond what is featured here, we are of coursed licensed throughout the state, as well as in the neighboring states of Arizona, Nevada, Oregon, and Utah. Thus, while we handle primarily Southern CA counties, we are licensed to continue to handle any developed leads anywhere in the state, as well as in our neighboring states if necessary. We will consult with you in order to determine what the best option is to balance an uninterrupted, contiguous investivation against costs.


J. Koerner Investigations
P.O. Box 4186
San Dimas, CA 91773
Tel: (909) 225-5448
Fax: (909) 267-9760