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.

PDX PI, LLC – 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. … When you hire Portland Private Investigators, we pride ourselves in being the Best Portland Oregon Private Investigation Agency.

Duane Larson, Supervising Investigator

Contact Phone

(503) 575-2836


Office Address

PDX PI, LLC – Portland Private Investigators
One World Trade Center
121 SW Salmon St. Suite 1100
Portland, OR 97204

Portland Oregon Private Investigators
Free Telephone Consultations

Located in the Portland World Trade Center

PDX PI, LLC – 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.
Free Telephone Consultation
Consultations are FREE and CONFIDENTIAL
(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.


We help solve problems without complications.

(503) 575-2836


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.


PDX PI, LLC – Portland Private Investigators
One World Trade Center
121 SW Salmon St., Suite 1100
Portland, OR 97204
(503) 575-2836


Oregon State Lic. 56905
California State Lic. PI7686

Copyright © 2019 PDX PI, LLC. All Rights Reserved