Most listings are in the $20's per square foot per year. The McKinney submarket is experiencing a decrease in rates. In the last 3 months, the median rate decreased $7 per sqft per year. That's a 20% decline in rent.
Compared to the rest of the DFW Metroplex market, the McKinney region has greater rates, and you'll need to make a great offer to be in this hot submarket.
In the last 90 days, 33 listings have been listed, which means listings most likley are going fast. You'll want to be prepared to make an offer immediately. About 9% of the available space in the McKinney are subleases, so you will probably have to focus your search on direct office leases. 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 region are around 2 floors. Most buildings in this area were built in 2006 and are Class A.