Compared to the rest of the DFW Metroplex market, the Richardson submarket has lower rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 49 listings have been listed, so you'll want to check back regularly for new listings. About 4% of the available space in the Richardson are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 3,510 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this area are approximately 2 floors. Most buildings in this area were built in 1985 and are Class B.