On average, listings lease in the $20's per square foot per year. The Glendale submarket is going through a decline in rates. In the last 3 months, the median rate decreased $7 per sqft per year. That's a 22% decrease in rent.
Compared to the rest of the Phoenix Metropolitan Area market, the Glendale region has smaller rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 29 listings have been made available, which means new availabilities are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 100% of the office spaces in the Glendale 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 available, so finding a space for a small business might be tough.
Even though the median size is 2,610 sqft, there are still 0 leases below 2,000 sqft. Most properties in this area are approximately 1 stories. Most buildings in this area were built in 2000 and are Class B.