Most listings are in the $10's per square foot per year. The Tulsa County region is seeing a an increase in rates. In the last 3 months, the median rate increased $18 per sqft per year.
In the last 90 days, 207 listings have been made available, so you'll want to check back regularly for new listings. About 99% of the listings in the Tulsa County 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,000 sqft. Most properties in this region are around 2 stories. Most buildings in this area were built in 1982 and are Class B.