On average, listings lease in the $20's per square foot per year. The Greentree submarket is going through a a boost in rates. In the last 3 months, the median rate increased $22 per sqft per year.
In the last 90 days, 26 listings have come on the market, which means leases are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 15% of the listings in the Greentree are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 2,990 sqft, there are still 0 listings below 2,000 sqft. Most properties in this region are approximately 2 floors. Most buildings in this region were built in 1969 and are Class B.