Community property is the law in southwestern and western states where there was an historic Spanish (Catholic) influence: Arizona, California, Idaho, Louisiana, Nevada, New Mexico, Puerto Rico, Texas, and Washington. Wisconsin has recently adopted the community property laws for reasons unrelated to Spanish influence. | Community property is the law in southwestern and western states where there was an historic Spanish (Catholic) influence: Arizona, California, Idaho, Louisiana, Nevada, New Mexico, Puerto Rico, Texas, and Washington. Wisconsin has recently adopted the community property laws for reasons unrelated to Spanish influence. |