The typical asking rate per listing is in the $10's per square foot per year. The Alpine submarket is seeing a a boost in rates. In the last 3 months, the median rate went up $16 per sqft per year.
In the last 90 days, 0 listings have come on the market, which means listings most likley are going fast. You'll want to be prepared to make an offer immediately. About NaN% of the office spaces in the Alpine are subleases, so you will probably need to consider the implications of signing a direct lease with the building. 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 1,200 sqft. Most buildings in this area were built in 2007 and are Class B.