Most listings are in the $10's per square foot per year. The La Mesa region is going through a a boost in rates. In the last 3 months, the median rate went up $16 per sqft per year. That's a Inf% increase in rent.
In the last 90 days, 3 listings have come on the market, which means leases most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. 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 1,930 sqft. Most properties in this region are approximately 1 stories. Most buildings in this area were built in 0 and are Class Class.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Public administration is the dominant industry in this area. Most of the folk of La Mesa work from home. Commuting approximately an hour a day is the norm for those who opt to reside in this part of town.