On average, listings lease in the $20's per square foot per year. The Salem region is going through a decrease in rates. In the last 3 months, the median rate fell $0 per sqft per year. That's a 2% decrease in rent.
In the last 90 days, 83 listings have come on the market, 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 1,400 sqft. Most buildings in this area are close to 2 floors. Most buildings in this market were built in 1983 and are Class A.