On average, listings lease in the $10's per square foot per year. The Medina submarket is going through a an increase in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 9% increase in rent.
In the last 90 days, 41 listings have been made available, so you'll want to check back regularly for new listings. 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 240 sqft. Most properties in this region are close to 2 stories. Most buildings in this market were built in 1932 and are Class B.