The Essential Guide to SB 721 Inspections in California Owning a residential rental building in Walnut Creek, CA comes with a long list of responsibilities, and keeping up with state mandates is near the top. SB 721 https://harleycmne859222.tinyblogging.com/sb-721-inspections-in-walnut-creek-what-property-owners-need-to-know-86111713