On average, listings lease in the $30's per square foot per year. The Garden Grove region is seeing a a rise in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 11% increase in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Garden Grove submarket has lower rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 17 listings have been made available, which means office spaces are probably going fast. You'll want to be prepared to make an offer immediately. About 71% of the office spaces in the Garden Grove are subleases, so you might be able to find a shorter term or below market rent. 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 1,340 sqft. Most buildings in this region are close to 2 floors. Most buildings in this area were built in 1979 and are Class B.