Compared to the rest of the DFW Metroplex market, the Prosper region has more expensive rates, and you'll need to make a great offer to be in this hot region.
In the last 90 days, 0 listings have been made available, which means new listings most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About Inf% of the listings in the Prosper are subleases, so you might be able to find a shorter term or below market rent. 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 2,300 sqft. Most properties in this region are approximately 1 floors. Most buildings in this area were built in 2009 and are Class C.