On average, listings lease in the $10's per square foot per year. The Brown Deer region is going through a a boost in rates. In the last 3 months, the median rate rose $5 per sqft per year. That's a 36% increase in rent.
Compared to the rest of the Milwaukee County market, the Brown Deer submarket has lower rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 16 listings have come on the market, which means leases might be leasing quickly. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 2,843 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this area are around 2 floors. Most buildings in this market were built in 1982 and are Class B.