Compared to the rest of the San Diego market, the Poway submarket has less expensive rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 12 listings have been posted online, which means leases most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 8% of the available space in the Poway are subleases, so you will probably need to consider the implications of signing a direct lease with the building. 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 2,120 sqft. Most properties in this market are approximately 1 floors. Most buildings in this region were built in 1999 and are Class B.