Most listings are in the $10's per square foot per year. The Genesee County region is seeing a decline in rates. In the last 3 months, the median rate decreased $2 per sqft per year. That's a 9% decline in rent.
In the last 90 days, 40 listings have come on the market, which means listings most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 3% of the available leases in the Genesee County are subleases, so you will probably have to focus your search on direct office leases. 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 2,400 sqft. Most properties in this area are approximately 1 floors. Most buildings in this region were built in 1900 and are Class Class B.