On average, listings lease in the $20's per square foot per year. The Des Moines submarket is seeing a a rise in rates. In the last 3 months, the median rate went up $7 per sqft per year. That's a 42% increase in rent.
Compared to the rest of the Seattle Metropolitan Area market, the Des Moines submarket has less expensive rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 2 listings have been listed, which means leases are probably going fast. You'll want to be prepared to make an offer immediately. About 50% of the office spaces in the Des Moines 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.
Even though the median size is 6,200 sqft, there are still 0 new availabilities below 2,000 sqft. Most properties in this region are close to 2 floors. Most buildings in this market were built in 1984 and are Class B.