On average, listings lease in the $20's per square foot per year. The Bexar County region is going through a an increase in rates. In the last 3 months, the median rate went up $24 per sqft per year.
Compared to the rest of the Greater Austin market, the Bexar County submarket has smaller rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 712 listings have been posted online, so you'll want to check back regularly for new listings. About 33% of the available leases in the Bexar County are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 3,140 sqft, there are still 0 new availabilities below 2,000 sqft. Most properties in this market are around 2 stories. Most buildings in this area were built in 1985 and are Class A.