On average, listings lease in the $20's per square foot per year. The Mira Mesa region is seeing a an increase in rates. In the last 3 months, the median rate rose $5 per sqft per year. That's a 23% rise in rent.
Compared to the rest of the San Diego market, the Mira Mesa region has smaller rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 13 listings have come on the market, which means new availabilities most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 15% of the available leases in the Mira Mesa are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 4,410 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this area are approximately 2 floors. Most buildings in this area were built in 1987 and are Class B.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Construction is the dominant industry in this market. Most of the occupants of Mira Mesa work from home. Commuting between 30 and 45 minutes a day is the norm for those who opt to reside in this part of town.