On average, listings lease in the $20's per square foot per year. The Maricopa County submarket is experiencing a an increase in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 3% increase in rent.
In the last 90 days, 1463 listings have come on the market, so you'll want to check back regularly for new listings. About 78% of the available space in the Maricopa County are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,120 sqft. Most buildings in this market are close to 2 floors. Most buildings in this region were built in 1990 and are Class B.