Most listings are in the $30's per square foot per year. The Orange County submarket is experiencing a decline in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 3% decrease in rent.
Compared to the rest of the The Triangle market, the Orange County submarket has more expensive rates, and you'll need to pay a premium to be in this hot region.
In the last 90 days, 10 listings have been listed, which means listings most likley are going fast. You'll want to be prepared to make an offer immediately. About 10% of the office spaces in the Orange County are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 2,040 sqft. Most properties in this market are close to 3 stories. Most buildings in this region were built in 2001 and are Class A.