Supplemental tax bills are prorated from the date of the transfer or completion of new construction to the end of the tax year (June 30). If the supplemental assessment is a positive amount, the County Auditor-Controller will calculate and prorate the supplemental property tax from the date the event occurred, through the end of the fiscal year (June 30). The Tax Collector will mail supplemental tax bill(s) within a few weeks. If the supplemental assessment is a negative amount, a refund may be generated for a portion of the taxes that have already been paid. The County Auditor-Controller will review your payment status, and if you are entitled to a refund, a check will be mailed a few weeks after the tax bills are mailed.
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