Most listings are in the $20's per square foot per year. The Salem region is going through a decline in rates. In the last 3 months, the median rate decreased $0 per sqft per year. That's a 2% decrease in rent.
In the last 90 days, 64 listings have been listed, so you'll want to check back regularly for new listings. 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 1,080 sqft. Most properties in this market are approximately 2 stories. Most buildings in this region were built in 1984 and are Class A.