On average, listings lease in the $30's per square foot per year. The Carlsbad region is going through a decline in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 2% decline in rent.
Compared to the rest of the San Diego market, the Carlsbad region has greater rates, and you'll have to negotiate above asking rent to be in this hot submarket.
In the last 90 days, 256 listings have been posted online, so you'll want to check back regularly for new listings. About 57% of the available leases in the Carlsbad are subleases, so you might be able to find a shorter term or below market rent. 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 2,120 sqft. Most buildings in this area are approximately 2 stories. Most buildings in this market were built in 1997 and are Class B.