Most listings are in the $10's per square foot per year. The Sherman submarket is seeing a an increase in rates. In the last 3 months, the median rate went up $18 per sqft per year.
In the last 90 days, 0 listings have come on the market, which means listings might be leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About Inf% of the available leases in the Sherman 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.
The standard measurement for office space in this area is around 1,400 sqft. Most properties in this area are around 5 stories. Most buildings in this area were built in 1996 and are Class B.