Most listings are in the $20's per square foot per year. The Fresno submarket is going through a decline in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 4% decrease in rent.
Compared to the rest of the Fresno market, the Fresno region has smaller rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 328 listings have been listed, so you'll want to check back regularly for new listings. About 16% of the listings in the Fresno 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,200 sqft. Most properties in this market are approximately 1 stories. Most buildings in this area were built in 1983 and are Class B.