On average, listings lease in the $20's per square foot per year. The Linn County region is going through a a boost in rates. In the last 3 months, the median rate increased $3 per sqft per year. That's a 20% increase in rent.
In the last 90 days, 154 listings have been posted online, so you'll want to check back regularly for new listings. About 1% of the available leases in the Linn County are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,920 sqft. Most properties in this region are close to 4 floors. Most buildings in this area were built in 1977 and are Class A.