Portland Local Coupons


$75 Off Investigative Services Over $600

Present this coupon and receive $75 off your bill on assignments over $600.

Must present this coupon. Not valid with other offers or prior purchase. No cash value.

Expires July 2, 2020

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Cornerstone Investigative Services, Inc

Professional Services in Gresham,OR

Thorough. Professional. Solid.

4850 SW 11th St.
Gresham, OR, 97080
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About This Business

 Our mission at Cornerstone Investigative Services, Inc, is to provide thorough, professional and solid investigative support to meet the needs of our clients.  Our licensed investigators provide confidential, private investigations in areas ranging from legal and financial concerns to personal matters.  Our investigations include background checks, missing person locates, video surveillance, process service, trial support, litigation support, witness interviews, and much more. Call Cornerstone Investigative Services today, and take advantage of our free, 45-minute, initial consultation. Let us find a way to help you. 


  • And More!
  • Background Checks
  • GPS Tracking
  • Infidelity Investigation
  • Litigation Support
  • Missing Person Locates
  • Process Service
  • Video Surveillance
  • Witness Interviews

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