Most listings are in the $20's per square foot per year. The Glendale submarket is going through a decrease in rates. In the last 3 months, the median rate decreased $4 per sqft per year. That's a 14% decrease in rent.
Compared to the rest of the Phoenix Metropolitan Area market, the Glendale submarket has smaller rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 29 listings have been posted online, which means listings most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 86% of the available leases in the Glendale 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 on the market, so finding a space for a small business might be tough.
Even though the median size is 2,860 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this region are approximately 2 stories. Most buildings in this region were built in 2000 and are Class B.