In the last 90 days, 3 listings have been made available, which means new availabilities are probably going fast. You'll want to be prepared to make an offer immediately. About 100% of the available space in the Washington County are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 1,930 sqft. Most buildings in this region were built in 1962 and are Class C.