Compared to the rest of the Metropolitan Los Angeles market, the West Covina submarket has more expensive rates, and you'll need to pay a premium to be in this hot submarket.
In the last 90 days, 19 listings have come on the market, which means spaces 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,600 sqft. Most properties in this market are around 2 stories. Most buildings in this region were built in 1980 and are Class B.