On average, listings lease in the $20's per square foot per year. The Washington County region is experiencing a decline in rates. In the last 3 months, the median rate decreased $5 per sqft per year. That's a 18% decrease in rent.
In the last 90 days, 3 listings have been made available, which means new availabilities most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 33% of the listings in the Washington County are subleases, so you might be able to find a shorter term or below market rent. 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 1,000 sqft. Most buildings in this region are around 2 stories. Most buildings in this region were built in 1963 and are Class B.