The typical asking rate per listing is in the $20's per square foot per year. The Deephaven submarket is experiencing a a boost in rates. In the last 3 months, the median rate rose $21 per sqft per year.
In the last 90 days, 5 listings have been posted online, which means leases might be leasing quickly. You'll want to be prepared to make an offer immediately. About 80% of the available leases in the Deephaven are subleases, so you might be able to find a shorter term or below market rent. 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 600 sqft. Most buildings in this area are approximately 2 stories. Most buildings in this region were built in 1983 and are Class B.