On average, listings lease in the $40's per square foot per year. The Burbank region is going through a a rise in rates. In the last 3 months, the median rate went up $18 per sqft per year. That's a 57% rise in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Burbank region has more expensive rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 32 listings have been listed, which means listings most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 138% of the available space in the Burbank 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 on the market, so finding a space for a small business might be tough.
Even though the median size is 3,210 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this region are approximately 3 stories. Most buildings in this area were built in 1983 and are Class A.