Most listings are in the $10's per square foot per year. The Gladstone region is going through a decrease in rates. In the last 3 months, the median rate fell $6 per sqft per year. That's a 26% decline in rent.
In the last 90 days, 5 listings have been listed, which means spaces most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,950 sqft. Most properties in this market are close to 2 floors. Most buildings in this market were built in 1971 and are Class B.