On average, listings lease in the $20's per square foot per year. The Temecula submarket is experiencing a decrease in rates. In the last 3 months, the median rate decreased $2 per sqft per year. That's a 10% decrease in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Temecula submarket has less expensive rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 47 listings have come on the market, so you'll want to check back regularly for new listings. About 9% of the listings in the Temecula are subleases, so you will probably need to consider the implications of signing a direct lease with the building. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,860 sqft. Most properties in this region are approximately 2 floors. Most buildings in this area were built in 1991 and are Class B.