Most listings are in the $10's per square foot per year. The Hayden region is going through a decline in rates. In the last 3 months, the median rate fell $7 per sqft per year. That's a 31% decline in rent.
In the last 90 days, 2 listings have been posted online, which means new listings are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 300% of the available space in the Hayden are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,500 sqft. Most properties in this area are close to 1 floors. Most buildings in this area were built in 2004 and are Class Class A.