Most listings are in the $30's per square foot per year. The Allen submarket is experiencing a a boost in rates. In the last 3 months, the median rate went up $40 per sqft per year.
Compared to the rest of the DFW Metroplex market, the Allen region has more expensive rates, and you'll need to pay a premium to be in this hot submarket.
In the last 90 days, 19 listings have been posted online, which means leases most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 68% of the listings in the Allen 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 available, so finding a space for a small business might be tough.
Even though the median size is 3,330 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this area are approximately 2 stories. Most buildings in this area were built in 2005 and are Class B.