The typical asking rate per listing is in the $30's per square foot per year. The West Covina submarket is going through a a boost in rates. In the last 3 months, the median rate went up $2 per sqft per year. That's a 4% rise in rent.
Compared to the rest of the Metropolitan Los Angeles market, the West Covina submarket has greater rates, and you'll need to make a great offer to be in this hot submarket.
In the last 90 days, 42 listings have been made available, so you'll want to check back regularly for new listings. About 36% of the available leases in the West Covina are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,330 sqft. Most buildings in this market are approximately 3 floors. Most buildings in this market were built in 1980 and are Class B.