The typical asking rate per listing is in the $30's per square foot per year. The Irving region is going through a an increase in rates. In the last 3 months, the median rate went up $32 per sqft per year.
Compared to the rest of the DFW Metroplex market, the Irving region has more expensive rates, and you'll have to negotiate above asking rent to be in this hot submarket.
In the last 90 days, 352 listings have come on the market, so you'll want to check back regularly for new listings. About 32% of the listings in the Irving 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 on the market, so finding a space for a small business might be tough.
Even though the median size is 4,980 sqft, there are still 0 new listings below 2,000 sqft. Most buildings in this region are close to 2 floors. Most buildings in this area were built in 1985 and are Class B.