Most listings are in the $10's per square foot per year. The Washington County region is experiencing a decline in rates. In the last 3 months, the median rate fell $6 per sqft per year. That's a 26% decrease in rent.
In the last 90 days, 30 listings have been posted online, which means new availabilities are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 10% of the available leases in the Washington County are subleases, so you will probably need to sign a longer term lease with the landlord directly. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 2,840 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this area are around 3 stories. Most buildings in this market were built in 2001 and are Class B.