Most listings are in the $20's per square foot per year. The Menomonee Falls submarket is experiencing a a boost in rates. In the last 3 months, the median rate increased $21 per sqft per year.
In the last 90 days, 1 listings have been listed, which means new listings are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 500% of the office spaces in the Menomonee Falls 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 1,080 sqft. Most properties in this area are close to 2 floors. Most buildings in this region were built in 1972 and are Class B.