Most listings are in the $20's per square foot per year. The Delray Beach region is going through a a boost in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 14% increase in rent.
Compared to the rest of the Gold Coast market, the Delray Beach submarket has smaller rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 33 listings have been listed, which means new availabilities 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 2,010 sqft. Most buildings in this market are close to 2 floors. Most buildings in this area were built in 1987 and are Class B.