Ventura County Government Center
800 South Victoria Ave
Ventura, CA 93009-1290

Unsecured Supplemental

UNSECURED SUPPLEMENTAL

Supplemental tax bill(s) are generally one-time tax bill(s) which occur when there is a transfer of ownership or new construction on the property that results in a reassessment of the value. The amount of the bill(s) is determined by taking the difference between your new assessed property value and the previous assessed property value during a fiscal year.  Unsecured Property Tax is and ad-valorem (value based) property tax that is the liability of the person or entity assessed for the tax. The term “unsecured” when attached to real property refers to an assessment that is based on prior ownership of secured property.  If you sell your property before you receive a Supplemental property tax bill, you are still responsible to pay the proration of property taxes up to the date sold.

Unsecured supplemental bills are prorated for the period the property is owned in a fiscal year.  The fiscal year runs July 1 – June 30.

If your Unsecured Supplemental tax bill is not paid a lien may be recorded which will affect your credit.  Additional fees, interest and a Release of Lien Fee will be charged, in addition to the original tax amount.  Delinquent collection costs may also be added as collection efforts are taken.

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