Most listings are in the $10's per square foot per year. The Oakdale region is seeing a a boost in rates. In the last 3 months, the median rate increased $14 per sqft per year.
In the last 90 days, 4 listings have come on the market, which means new listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 50% of the available leases in the Oakdale are subleases, so you might be able to find a shorter term or below market rent. 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 650 sqft. Most properties in this market are around 1 floors. Most buildings in this market were built in 1977 and are Class A.