What is a supplemental assessment?
The County Assessor must appraise property at its market value on the date of a change in ownership or when new construction is completed. The difference between the property's newly determined value after one of these events and the value which was previously enrolled on the Annual Assessment Roll results in a supplemental assessment. For more information, contact our office at (209) 966-2332.

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1. What type of property relief is available?
2. After my property is rebuilt or repaired following the damage, will my property taxes be increased over what they were before?
3. Do boats and airplanes qualify for this property tax relief if they were damaged by a disaster?
4. If I have been granted a reduction for the current year will I have to request another review next year?
5. What is a supplemental assessment?
6. My name is not spelled correctly on the property tax bill. How can I have the spelling corrected or changed?
7. Where can I obtain the necessary forms to change title?
8. Will my home be reappraised if I add another bedroom?
9. How can I find out who owns a piece of property?