On average, listings lease in the $50's per square foot per year. The Murrieta region is seeing a a rise in rates. In the last 3 months, the median rate rose $28 per sqft per year. That's a 100% rise in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Murrieta submarket has higher rates, and you'll need to make a great offer to be in this hot submarket.
In the last 90 days, 13 listings have come on the market, which means new availabilities most likley are leasing quickly. 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.
The standard measurement for office space in this area is around 1,650 sqft. Most properties in this market are around 2 stories. Most buildings in this area were built in 2006 and are Class A.