Most listings are in the $0's per square foot per year. The River Place submarket is going through a decrease in rates. In the last 3 months, the median rate fell $26 per sqft per year. That's a 100% decrease in rent.
In the last 90 days, 0 listings have been posted online, which means leases most likley are going fast. You'll want to be prepared to make an offer immediately. About NaN% of the listings in the River Place are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around sqft.
Public administration is the dominant industry in this area. Most of the residents of River Place work from home. Commuting more than an hour and a half a day is the norm for those who opt to reside in this part of town.