On average, listings lease in the $20's per square foot per year. The Oklahoma submarket is seeing a a boost in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 6% rise in rent.
In the last 90 days, 1030 listings have been posted online, so you'll want to check back regularly for new listings. About 3% of the office spaces in the Oklahoma 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 2,350 sqft. Most properties in this market are approximately 2 stories. Most buildings in this area were built in 1982 and are Class B.