The typical asking rate per listing is in the $20's per square foot per year. The Downtown Portland region is seeing a an increase in rates. In the last 3 months, the median rate rose $2 per sqft per year. That's a 9% increase in rent.
In the last 90 days, 26 listings have come on the market, which means new availabilities might be leasing quickly. You'll want to be prepared to make an offer immediately. About 8% of the available leases in the Downtown Portland 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 on the market, so finding a space for a small business might be tough.
Even though the median size is 4,650 sqft, there are still 0 leases below 2,000 sqft. Most properties in this market are close to 4 floors. Most buildings in this area were built in 1900 and are Class B.
This area is fairly equally mixed residential and commercial. Waste services is the dominant industry in this area. Commute by car is the most popular way to get to work amongst Downtown Portland folk. Commuting between 30 and 45 minutes a day is the norm for those who opt to reside in this part of town.