On average, listings lease in the $10's per square foot per year. The Deltona region is seeing a an increase in rates. In the last 3 months, the median rate increased $16 per sqft per year.
In the last 90 days, 0 listings have been made available, which means spaces might be going fast. You'll want to be prepared to make an offer immediately. About Inf% of the available leases in the Deltona 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 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 1,720 sqft. Most buildings in this market were built in 1986 and are Class B.