Trulia has this information on our site available under the Recently Sold homes section, which you can access for zip 97034 via the link below or via the Buy tab at the top of the page - if you hover over that tab you'll see that you have many types of home searches to choose from.
Many of the active properties on our site include this information as well. If you access a property like the following, you will find the prior sale price posted under the Price History section.
I hope this information is helpful. If you have any other questions or feedback for us, please let us know.
While this is not specific to your question, please check out:
I've worked with quite a few buyers who have relocated to the area. And would be happy to help.
Carla Muss-Jacobs, Principal Broker/Owner
EBA Portland, LLC
Exclusive Buyers' Agent
Assisting Buyers in Metro Portland since 1999
Coldwell Banker Barbara Sue Seal Properties
John L. Scott
A Group Real Estate
Tualatin OR 97062