Welcome to San Diego Commercial Real Estate Online.com. Are you looking to BUY a commercial office, industrial, manufacturing, or research & development building for your business? Do you want to LEASE an office suite, an entire office building, or warehouse and manufacturing space? Does your business need to expand, consolidate, or RELOCATE? Would you like to RENEW your lease, but your Landlord's threatening to raise your rent? If you just sold a property, do you need to purchase a 1031 EXCHANGE PROPERTY in order to defer costly capital gains taxes?