The typical asking rate per listing is in the $10's per square foot per year. The Lompoc submarket is going through a a rise in rates. In the last 3 months, the median rate rose $3 per sqft per year. That's a 20% increase in rent.
In the last 90 days, 2 listings have been made available, which means spaces are probably going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 3,500 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this region are close to 2 floors. Most buildings in this market were built in 1890 and are Class B.