On average, listings lease in the $10's per square foot per year. The Southern submarket is experiencing a a boost in rates. In the last 3 months, the median rate went up $16 per sqft per year.
In the last 90 days, 8 listings have been listed, which means spaces most likley are going fast. You'll want to be prepared to make an offer immediately. About 13% of the available space in the Southern 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,390 sqft. Most properties in this market are close to 2 stories. Most buildings in this region were built in 1986 and are Class B.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Manufacturing is the dominant industry in this region. Most of the folk of Southern work from home. Commuting around 10 minutes a day is the norm for those who opt to reside in this part of town.