The typical asking rate per listing is in the $10's per square foot per year. The Tulsa region is going through a decrease in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 7% decrease in rent.
In the last 90 days, 354 listings have been posted online, so you'll want to check back regularly for new listings. About 1% of the available space in the Tulsa are subleases, so you will probably need to sign a longer term lease with the landlord directly. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 4,720 sqft, there are still 0 new availabilities below 2,000 sqft. Most buildings in this area are around 2 stories. Most buildings in this region were built in 1981 and are Class B.