On average, listings lease in the $20's per square foot per year. The Oklahoma City submarket is seeing a a rise in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 6% increase in rent.
Compared to the rest of the Oklahoma City market, the Oklahoma City submarket has less expensive rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 535 listings have been made available, so you'll want to check back regularly for new listings. About 1% of the listings in the Oklahoma City 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,500 sqft. Most buildings in this area are close to 2 stories. Most buildings in this market were built in 1981 and are Class B.