Most listings are in the $20's per square foot per year. The Washington County region is going through a decline in rates. In the last 3 months, the median rate fell $3 per sqft per year. That's a 11% decline in rent.
In the last 90 days, 25 listings have been posted online, which means new listings 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,740 sqft. Most properties in this market are approximately 1 floors. Most buildings in this area were built in 1988 and are Class B.