San Bernardino County Assessor - Recorder - County Clerk - Map
Please note their disclaimer:
*****PLEASE BE ADVISED*****
The County Assessor does not determine the permitted use of property.
The County Assessor does not determine legal ownership of property.
The information found on this portal is for the purpose of making fair and accurate property assessments, and is not intended to be relied upon for classifying actual permitted property use or determining legal ownership. For questions regarding permitted use, property owners should contact the city where the property is located or the Land Use Services Department for unincorporated communities. To determine current legal ownership of property, individuals should contact a real estate attorney or title company. Official Public Records can also be searched.
To determine the permitted use of a property and legal ownership…
You need to go to the city that the property is located within and for unincorporated areas you need go to “Land Use Services.”