On average, listings lease in the $30's per square foot per year. The West Berkeley region is experiencing a decrease in rates. In the last 3 months, the median rate fell $4 per sqft per year. That's a 9% decline in rent.
Compared to the rest of the East Bay market, the West Berkeley submarket has less expensive rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 13 listings have been made available, which means spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 123% of the available leases in the West Berkeley are subleases, so you might be able to snag a great spot on a short term. 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 1,950 sqft. Most buildings in this region are around 2 floors. Most buildings in this market were built in 1966 and are Class B.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Agriculture is the dominant industry in this region. Commute by walking is the most popular way to get to work amongst West Berkeley folk. Commuting around 10 minutes a day is the norm for those who opt to reside in this part of town.