The typical asking rate per listing is in the $40's per square foot per year. The McKinney submarket is going through a a rise in rates. In the last 3 months, the median rate increased $18 per sqft per year. That's a 77% increase in rent.
Compared to the rest of the DFW Metroplex market, the McKinney region has more expensive rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 39 listings have been made available, which means listings might be leasing quickly. You'll want to be prepared to make an offer immediately. About 3% of the available leases 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 on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,230 sqft. Most buildings in this region are approximately 2 stories. Most buildings in this market were built in 2004 and are Class A.