Most listings are in the $20's per square foot per year. The Bexar County submarket is experiencing a decrease in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 5% decrease in rent.
Compared to the rest of the Greater Austin market, the Bexar County submarket has lower rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 712 listings have been made available, so you'll want to check back regularly for new listings. About 1% of the available leases in the Bexar County are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,130 sqft. Most properties in this region are close to 2 floors. Most buildings in this market were built in 1985 and are Class A.