With ongoing drought concerns and strict water-use rules in California, many San Jose homeowners wonder whether artificial grass is actually allowed under local landscaping regulations. The short answer is: yes, in most cases—but there are a few things you should know before installing it. For most residential properties, artificial grass in San Jose is generally allowed in San Jose. City landscaping and water-efficiency regulations do not ban synthetic turf for single-family homes, and many homeowners use it as a water-saving alternative to natural lawns.