Most listings are in the $10's per square foot per year. The Ozaukee County submarket is experiencing a an increase in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 9% increase in rent.
In the last 90 days, 11 listings have been listed, which means leases might be 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 450 sqft. Most buildings in this region are around 2 floors. Most buildings in this market were built in 1991 and are Class A.