What is the zoning designation of my property?

You can obtain or verify your property's zoning designation by using the City's interactive GIS map and searching by street address or by Assessor’s Parcel Number (APN). You can also obtain zoning information by contacting the Planning Division at (909) 839-7030 or planning@diamondbarca.gov. If you do not have your AIN, you can find it on your latest property tax bill or you can locate it using the Los Angeles County Assessor's online portal.

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1. What is the zoning designation of my property?
2. How do I find out what types of uses are allowed on a property?
3. How do I determine my property lines?
4. I want to build an Accessory Dwelling Unit (ADU) on my property. What are the requirements and process?