On average, listings lease in the $30's per square foot per year. The Mukilteo region is going through a decrease in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 3% decrease in rent.
Compared to the rest of the Seattle Metropolitan Area market, the Mukilteo region has greater rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 3 listings have come on the market, which means leases most likley are going fast. You'll want to be prepared to make an offer immediately. 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 3,430 sqft, there are still 0 new availabilities below 2,000 sqft. Most buildings in this region are around 2 floors. Most buildings in this region were built in 1981 and are Class B.