The typical asking rate per listing is in the $0's per square foot per year. The Mission Valley West region is experiencing a decrease in rates. In the last 3 months, the median rate decreased $25 per sqft per year. That's a 100% decline in rent.
In the last 90 days, 6 listings have been posted online, which means leases most likley are leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around sqft. Most properties in this market are close to 3 floors. Most buildings in this region were built in 1973 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 area. Most of the folk of Mission Valley West work from home. Commuting more than an hour and a half a day is the norm for those who opt to reside in this part of town.