The typical asking rate per listing is in the $20's per square foot per year. The Ada County submarket is seeing a an increase in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 7% rise in rent.
In the last 90 days, 290 listings have come on the market, so you'll want to check back regularly for new listings. About 2% of the listings in the Ada County are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 2,290 sqft. Most buildings in this market are close to 1 stories. Most buildings in this region were built in 1999 and are Class A.