On average, listings lease in the $10's per square foot per year. The Garland region is experiencing a a boost 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 Garland region has less expensive rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 20 listings have been posted online, which means new availabilities most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 55% of the listings in the Garland 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.
Even though the median size is 9,590 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this region are around 1 stories. Most buildings in this region were built in 1983 and are Class B.