On average, listings lease in the $20's per square foot per year. The Windsor submarket is seeing a a rise in rates. In the last 3 months, the median rate went up $28 per sqft per year. That's a Inf% increase in rent.
Compared to the rest of the Bay Area market, the Windsor submarket has smaller rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 12 listings have been listed, which means new availabilities might be leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 960 sqft. Most properties in this region are close to 2 floors. Most buildings in this region were built in 2003 and are Class A.