On average, listings lease in the $10's per square foot per year. The Tulsa submarket is experiencing a a boost in rates. In the last 3 months, the median rate went up $17 per sqft per year.
In the last 90 days, 180 listings have come on the market, so you'll want to check back regularly for new listings. About 96% of the available leases in the Tulsa 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 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 properties in this region are approximately 2 floors. Most buildings in this market were built in 1981 and are Class B.