Most listings are in the $10's per square foot per year. The Medina submarket is going through a decline in rates. In the last 3 months, the median rate decreased $3 per sqft per year. That's a 15% decrease in rent.
In the last 90 days, 41 listings have come on the market, so you'll want to check back regularly for new listings. About 2% of the listings in the Medina are subleases, so you will probably need to consider the implications of signing a direct lease with the building. 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 1,350 sqft. Most buildings in this region are around 2 floors. Most buildings in this region were built in 1932 and are Class B.