The typical asking rate per listing is in the $10's per square foot per year. The Glen Iris region is seeing a a rise in rates. In the last 3 months, the median rate increased $15 per sqft per year.
In the last 90 days, 16 listings have been made available, which means listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 50% of the listings in the Glen Iris 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 available, so finding a space for a small business might be tough.
Even though the median size is 3,430 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this market are around 2 floors. Most buildings in this market were built in 1982 and are Class B.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Real estate is the dominant industry in this market. Commute by walking is the most popular way to get to work amongst Glen Iris folk. Commuting more than an hour and a half a day is the norm for those who opt to reside in this part of town.