Most listings are in the $10's per square foot per year. The Longview region is experiencing a a rise in rates. In the last 3 months, the median rate rose $2 per sqft per year. That's a 13% increase in rent.
In the last 90 days, 12 listings have been posted online, which means spaces most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 8% of the office spaces in the Longview 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 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 2,220 sqft. Most buildings in this market are close to 1 stories. Most buildings in this area were built in 1982 and are Class A.