Compared to the rest of the East Bay market, the San Leandro submarket has lower rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 49 listings have come on the market, so you'll want to check back regularly for new listings. About 2% of the listings in the San Leandro are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 1,830 sqft. Most properties in this area are approximately 1 floors. Most buildings in this region were built in 1970 and are Class B.