On average, listings lease in the $20's per square foot per year. The Polk County region is going through a a boost in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 7% increase in rent.
In the last 90 days, 122 listings have been made available, so you'll want to check back regularly for new listings. There aren't many listings below 2,000 square feet posted, 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 market are approximately 1 floors. Most buildings in this region were built in 1973 and are Class B.