Most listings are in the $40's per square foot per year. The Avondale region is going through a a boost in rates. In the last 3 months, the median rate increased $23 per sqft per year. That's a 109% rise in rent.
Compared to the rest of the Phoenix Metropolitan Area market, the Avondale submarket has more expensive rates, and you'll need to pay a premium to be in this hot submarket.
In the last 90 days, 4 listings have been listed, which means listings are probably going fast. You'll want to be prepared to make an offer immediately. 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 1,200 sqft. Most buildings in this market are approximately 1 stories. Most buildings in this area were built in 2005 and are Class B.