Most listings are in the $10's per square foot per year. The Litchfield Park submarket is going through a a rise in rates. In the last 3 months, the median rate increased $18 per sqft per year.
Compared to the rest of the Phoenix Metropolitan Area market, the Litchfield Park region has smaller rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 1 listings have come on the market, which means new listings 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,840 sqft. Most buildings in this area were built in 2003 and are Class B.