The typical asking rate per listing is in the $30's per square foot per year. The Downtown Mesa submarket is going through a a rise in rates. In the last 3 months, the median rate increased $16 per sqft per year. That's a 100% rise in rent.
Compared to the rest of the Phoenix Metropolitan Area market, the Downtown Mesa region has higher rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 6 listings have been made available, which means office spaces most likley are leasing quickly. 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 300 sqft. Most buildings in this region are around 2 floors. Most buildings in this region were built in 1968 and are Class B.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Public administration is the dominant industry in this region. Commute by car is the most popular way to get to work amongst Downtown Mesa occupants. Commuting around 20 minutes a day is the norm for those who opt to reside in this part of town.