On average, listings lease in the $10's per square foot per year. The Madera submarket is experiencing a a boost in rates. In the last 3 months, the median rate rose $20 per sqft per year.
In the last 90 days, 4 listings have been listed, which means spaces most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 50% of the available leases in the Madera are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,090 sqft. Most buildings in this area are close to 1 stories. Most buildings in this area were built in 1991 and are Class A.