Most listings are in the $20's per square foot per year. The Edmond submarket is going through a a boost in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 18% increase in rent.
In the last 90 days, 44 listings have been posted online, so you'll want to check back regularly for new listings. About 2% of the office spaces in the Edmond 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.
The standard measurement for office space in this area is around 2,500 sqft. Most properties in this market are approximately 1 stories. Most buildings in this region were built in 2006 and are Class B.