On average, listings lease in the $10's per square foot per year. The St. Paul region is going through a decline in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 6% decline in rent.
In the last 90 days, 198 listings have been listed, so you'll want to check back regularly for new listings. About 1% of the office spaces in the St. Paul 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 2,380 sqft. Most properties in this area are approximately 3 stories. Most buildings in this region were built in 1962 and are Class B.