Most listings are in the $30's per square foot per year. The Carlsbad region is experiencing a an increase in rates. In the last 3 months, the median rate rose $2 per sqft per year. That's a 8% rise in rent.
Compared to the rest of the San Diego market, the Carlsbad submarket has more expensive rates, and you'll need to make a great offer to be in this hot submarket.
In the last 90 days, 92 listings have been listed, so you'll want to check back regularly for new listings. About 5% of the available leases in the Carlsbad 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.
Even though the median size is 3,000 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this region are close to 2 stories. Most buildings in this market were built in 1998 and are Class B.