Most listings are in the $20's per square foot per year. The San Antonio region is experiencing a decrease in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 5% decrease in rent.
Compared to the rest of the San Antonio market, the San Antonio submarket has smaller rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 491 listings have come on the market, so you'll want to check back regularly for new listings. About 1% of the listings in the San Antonio 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 2,100 sqft. Most buildings in this area are close to 2 stories. Most buildings in this area were built in 1985 and are Class A.