On average, listings lease in the $30's per square foot per year. The West Linn submarket is experiencing a an increase in rates. In the last 3 months, the median rate went up $2 per sqft per year. That's a 5% increase in rent.
Compared to the rest of the Greater Portland market, the West Linn region has higher rates, and you'll need to make a great offer to be in this hot submarket.
In the last 90 days, 4 listings have been listed, which means new availabilities most likley are leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,630 sqft. Most buildings in this market were built in 2006 and are Class A.