On average, listings lease in the $30's per square foot per year. The North Oakland region is going through a a boost in rates. In the last 3 months, the median rate rose $3 per sqft per year. That's a 9% rise in rent.
In the last 90 days, 21 listings have been posted online, which means new availabilities most likley are going fast. You'll want to be prepared to make an offer immediately. About 48% of the available space in the North Oakland 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 posted, 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 are approximately 3 stories. Most buildings in this market were built in 1968 and are Class B.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Public administration is the dominant industry in this area. Commute by public transit is the most popular way to get to work amongst North Oakland folk. Commuting between 30 and 45 minutes a day is the norm for those who opt to reside in this part of town.