The typical asking rate per listing is in the $10's per square foot per year. The Seven Oaks region is going through a an increase in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 3% rise in rent.
In the last 90 days, 35 listings have been posted online, which means leases are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 43% of the available space in the Seven Oaks are subleases, so you might be able to snag a great spot on a short term. 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 1,500 sqft. Most buildings in this market are close to 2 floors. Most buildings in this area were built in 1982 and are Class B.