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% decline in rent.
Compared to the rest of the Fresno market, the Fresno region has less expensive rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 558 listings have been posted online, so you'll want to check back regularly for new listings. About 0% of the available space in the Fresno are subleases, so you will probably need to consider the implications of signing a direct lease with the building. 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 2,380 sqft. Most properties in this area are close to 1 floors. Most buildings in this area were built in 1981 and are Class B.