The typical asking rate per listing is in the $10's per square foot per year. The San Marcos submarket is seeing a decline in rates. In the last 3 months, the median rate fell $16 per sqft per year. That's a 44% decline in rent.
Compared to the rest of the San Diego market, the San Marcos region has smaller rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 111 listings have been listed, so you'll want to check back regularly for new listings. About 10% of the available space in the San Marcos are subleases, so you will probably have to focus your search on direct office leases. 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 3,260 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this region are close to 2 floors. Most buildings in this market were built in 1983 and are Class B.