You can view current listing inventory at http://www.HouseNow.com
for the major markets in Oregon.
On the home page, we have cities with listing count identified for quick reference.
You can also search multiple family & bare land.
As for the last part of your question, the time to sell is largely dependent on location; IE: some locations sell faster than others and those locations tend to have less inventory.
Currently in all 8 MLS areas of Eugene there are 1032 active listings with an average value of $336,347. The average days on market for the last 6 months was roughly 80. If you have more specific questions you would like answered, please let me know.
Karen Fine, Broker
Windermere RE Lane County