Background Investigations

Find out pertinent and specific information on an individual. Our background investigations are individually tailored to each clients specific needsMore Services »

Domestic/Family Investigations

Infidelity, Surveillance, Child custody, Family issues, divorce, pre-marital background check, we have the experience and background to assist you.More Services »

Asset/Financial Investigations

If you have a judgment from a law suit, or are thinking about filing a law suit but are unsure if the defendant is collectable, we are here to help.More Services »

General Investigations

If you have a personal or business matter that requires assistance, we determine if hiring a private investigator would be necessary in your situation.More Services »

You made the right choice!

At Portland Private Investigators, we not only help you choose a solution for your investigative needs, we will help you use the information obtained  to your advantage.  Further, we do it all clearly and with purpose.

Cornerstone Investigative Services, Inc – Portland Private Investigators is highly regarded by public entity’s, corporations, law firms, and private individuals as one of the most conscientious and reputable investigation firm in Oregon.  This reputation has been earned by maintaining the highest standards of service and professionalism for each and every client.

You have questions? We have answers.

If you need a reputable, affordable and qualified private investigation firm – then look no further.  At Portland Private Investigators, we pride ourselves in being the Best Oregon Private Investigation Agency.

If you do not see the services you are in need of on this page, we still may be able to assist you, or make a professional referral.

Duane Larson, Supervising Investigator

Contact Phone

(503) 575-2836

E-mail

WebMail@PortlandPrivateInvestigator.com

Office Address

Cornerstone Investigative Services, Inc – Portland Private Investigators
One World Trade Center
121 SW Salmon St. Suite 1100
Portland, OR 97204
Our office hours are as follows:
Mon-Fri 9:00AM-6:00 PM

Portland Oregon Private Investigators
Free Telephone Consultations

Located in the Portland World Trade Center

Cornerstone Investigative Services, Inc – Portland Private Investigators
One World Trade Center
121 SW Salmon St. Suite 1100
Portland, OR 97204

Office visits are by appointment only. We do not accept walk-ins.
Our office hours are as follows:
Mon-Fri 9:00AM-6:00 PM
FREE and CONFIDENTIAL Telephone Consultation
(503) 575-2836

A cohesive and successful team of Investigators

Our team of dedicated professional investigators are well-versed in many specialized areas.  We will not advocate for you in an area in which we are not experienced.  Our team brings a diverse background to the table, allowing us to serve you in various investigative areas.  This gives Portland Private Investigators an edge when dealing with complex matters.

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We help solve problems without complications.

(503) 575-2836

ABOUT US

Our staff of licensed, experienced private investigators will handle all of your legal and personal investigative needs in the most professional, skilled, and cost effective manner.

SERVICES

Background Investigations
Locate/Find People Investigations
Domestic Investigations
Asset/Financial Investigations
General Investigations

CONTACTS

Cornerstone Investigative Services, Inc – Portland Private Investigators
One World Trade Center
121 SW Salmon St., Suite 1100
Portland, OR 97204
(503) 575-2836
Office visits are by appointment only. We do not accept walk-ins.
Our office hours are as follows:
Mon-Fri 9:00AM-6:00 PM
FREE and CONFIDENTIAL Telephone Consultation

LICENSE

Oregon State Lic. 69507

Copyright © 2023 Cornerstone Investigative Services, Inc.  All Rights Reserved