In the last 90 days, 4 listings have been listed, which means spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 50% of the listings in the Martinsville 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 posted, so finding a space for a small business might be tough.
Even though the median size is 30,000 sqft, there are still 0 listings below 2,000 sqft. Most properties in this area are close to 2 stories. Most buildings in this region were built in 1966 and are Class A.