Most listings are in the $10's per square foot per year. The French Quarter submarket is seeing a a boost in rates. In the last 3 months, the median rate increased $18 per sqft per year.
In the last 90 days, 1 listings have been made available, which means new availabilities are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 100% of the office spaces in the French Quarter are subleases, so you might be able to sign a shorter term by taking over a previous 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 2,300 sqft. Most properties in this market are around 4 floors. Most buildings in this area were built in 1975 and are Class A.
Public administration is the dominant industry in this area. Most of the folk of French Quarter 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.