Most listings are in the $10's per square foot per year. The Downtown Amarillo submarket is seeing a a rise in rates. In the last 3 months, the median rate went up $2 per sqft per year. That's a 13% increase in rent.
In the last 90 days, 24 listings have been posted online, which means leases 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 1,760 sqft. Most properties in this region are around 2 floors. Most buildings in this area were built in 1964 and are Class A.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Education is the dominant industry in this market. Commute by car is the most popular way to get to work amongst Downtown Amarillo folk. Commuting around 10 minutes a day is the norm for those who opt to reside in this part of town.