Most listings are in the $20's per square foot per year. The Kern region is going through a a rise in rates. In the last 3 months, the median rate went up $2 per sqft per year. That's a 6% increase in rent.
In the last 90 days, 124 listings have been made available, so you'll want to check back regularly for new listings. About 4% of the office spaces in the Kern are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 2,890 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this market are approximately 2 floors. Most buildings in this region were built in 1985 and are Class B.