On average, listings lease in the $30's per square foot per year. The Plainview region is experiencing a a rise in rates. In the last 3 months, the median rate went up $8 per sqft per year. That's a 29% rise in rent.
In the last 90 days, 8 listings have been posted online, which means new availabilities most likley are going fast. You'll want to be prepared to make an offer immediately. 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 1,710 sqft. Most buildings in this area are approximately 3 stories. Most buildings in this area were built in 1968 and are Class B.