On average, listings lease in the $10's per square foot per year. The Springfield region is going through a an increase in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 7% rise in rent.
In the last 90 days, 31 listings have come on the market, which means spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 58% of the listings in the Springfield are subleases, so you might be able to find a shorter term or below market rent. 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 1,810 sqft. Most buildings in this region are around 2 stories. Most buildings in this market were built in 1989 and are Class A.