On average, listings lease in the $10's per square foot per year. The Washington County submarket is going through a a boost in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 5% increase in rent.
In the last 90 days, 73 listings have come on the market, so you'll want to check back regularly for new listings. 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 2,080 sqft. Most properties in this area are around 1 floors. Most buildings in this region were built in 1960 and are Class A.