On average, listings lease in the $20's per square foot per year. The North Richland Hills submarket is experiencing a a boost in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 6% increase in rent.
Compared to the rest of the DFW Metroplex market, the North Richland Hills region has lower rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 15 listings have been made available, which means leases are probably going fast. You'll want to be prepared to tour spaces as quick as possible. 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 buildings in this region are close to 1 floors. Most buildings in this market were built in 1992 and are Class B.