Diligent Investigations, LLC is a locally owned and operated private investigations company.

OR PI-ID #56775 AND WA license #3803

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Our licensed Investigators receive continuing education to maintain the highest skill set as well as awareness of current legal and ethical concerns for investigators.

Robert Grady worked for 10 years at Stern Process and Investigation, a busy P.I. firm in Chicago. He has worked in inner-city, suburban, and rural areas with and regarding persons from every conceivable wrung of the socio-economic ladder. In July 2012, Diligent Investigations, LLC opened for business in Portland, Oregon.

Have more questions or want to learn more? Contact Diligent Investigations, LLC today at (503) 985-6659. We are happy to help.


Office: (503) 985-6659


4207 SE Woodstock Blvd., #108
Portland, OR 97206