On average, listings lease in the $20's per square foot per year. The Springfield submarket is experiencing a a boost in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 3% rise in rent.
In the last 90 days, 38 listings have been listed, which means office spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 8% of the available space in the Springfield are subleases, so you will probably need to sign a longer term lease with the landlord directly. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 7,000 sqft, there are still 0 new listings below 2,000 sqft. Most buildings in this market are around 2 floors. Most buildings in this area were built in 1915 and are Class A.