Most listings are in the $0's per square foot per year. The Lake San Marcos region is seeing a decrease in rates. In the last 3 months, the median rate fell $22 per sqft per year. That's a 100% decline in rent.
In the last 90 days, 0 listings have been listed, which means office spaces most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About NaN% of the office spaces in the Lake San Marcos are subleases, so you will probably have to focus your search on direct office leases. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around sqft.