Compared to the rest of the San Diego market, the Lemon Grove submarket has less expensive rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 2 listings have come on the market, which means listings 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,020 sqft. Most properties in this area are close to 2 stories. Most buildings in this area were built in 1985 and are Class Class C.