Most listings are in the $20's per square foot per year. The Temecula region is experiencing a decline in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 3% decrease in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Temecula region has less expensive rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 94 listings have been posted online, so you'll want to check back regularly for new listings. About 5% of the available leases in the Temecula are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet on the market, 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 buildings in this market are around 2 floors. Most buildings in this area were built in 1991 and are Class B.