On average, listings lease in the $20's per square foot per year. The Richardson region is experiencing a a rise in rates. In the last 3 months, the median rate went up $20 per sqft per year.
Compared to the rest of the DFW Metroplex market, the Richardson region has smaller rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 99 listings have been listed, so you'll want to check back regularly for new listings. About 103% of the office spaces in the Richardson are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,380 sqft. Most properties in this market are around 2 stories. Most buildings in this market were built in 1985 and are Class B.