On average, listings lease in the $10's per square foot per year. The Montgomery submarket is experiencing a a boost in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 4% rise in rent.
In the last 90 days, 63 listings have been listed, so you'll want to check back regularly for new listings. About 2% of the available space in the Montgomery 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,100 sqft. Most buildings in this region are around 1 floors. Most buildings in this region were built in 1981 and are Class B.