Most listings are in the $20's per square foot per year. The Irving region is seeing a decline in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 4% decline in rent.
Compared to the rest of the DFW Metroplex market, the Irving submarket has higher rates, and you'll need to make a great offer to be in this hot submarket.
In the last 90 days, 352 listings have been listed, so you'll want to check back regularly for new listings. About 56% of the available leases in the Irving 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 800 sqft. Most properties in this area are around 2 floors. Most buildings in this region were built in 1986 and are Class B.