Most listings are in the $20's per square foot per year. The Richardson submarket is going through a a boost in rates. In the last 3 months, the median rate rose $2 per sqft per year. That's a 9% increase in rent.
Compared to the rest of the DFW Metroplex market, the Richardson submarket has higher rates, and you'll need to pay a premium to be in this hot submarket.
In the last 90 days, 99 listings have come on the market, so you'll want to check back regularly for new listings. About 3% of the available leases in the Richardson are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 3,060 sqft, there are still 0 listings below 2,000 sqft. Most buildings in this region are close to 2 stories. Most buildings in this region were built in 1985 and are Class B.