FAQs - Property Tax
How can I contact the Auditor-Controller’s
We are located at:
4080 Lemon St. 11th
Riverside, CA 92501
Telephone: (951) 955-3800
Is there a centralized location to obtain
property tax information?
The county offices of the Assessor,
Auditor-Controller and Treasurer-Tax Collector created a website to assist the
public with general information concerning property taxes. To visit this
site click here.
How can I obtain a copy of the tax rate book?
are available for $35.00. Please click here for a link to the form to be filled out and mailed
in with your check payable to:
Riverside County Auditor-Controller’s Office
Riverside, CA 92502
How are property taxes calculated?
Property taxes are
calculated by multiplying the assessed value by the tax rate. For property
held primarily as the residence of the taxpayer, a value of 7,000 for a
homeowner’s exemption may be deducted from the assessed value to arrive at the
net amount subject to property taxes. To obtain the homeowners exemption
click here for more
What does a Tax Rate consist of?
In California, the
property tax rate is set at 1%. This rate is constant as guaranteed under
Proposition 13 passed in 1978. What this means is that a $1 tax is imposed
for every $100 of assessed value of the property. In addition, under the
provisions of Proposition 13, any taxes levied by any governmental agency on top
of the 1% must be approved by 66 2/3% of the voters. However, in the case
of the school bonds, only 55% majority is required as provided for under
Proposition 39. Therefore, any rate you will see in your tax bill added to
the 1%, represents a debt or debts approved by the voters.
Can my property taxes change from year to
Yes. Proposition 13 allows for an increase of up to
2% of property value each year. (Revenue and Taxation code 51) Also,
the tax rate in your area can increase as new bonds are added or decrease as
existing bonds are paid off. Special Assessments can also cause an
increase or decrease as they are added or deleted.
What is a supplemental tax bill?
State law requires
that the Assessor reappraise property value immediately upon a change of
ownership or completion of new construction. The Assessor's Office must
issue a supplemental assessment that reflects the difference between the new and
prior assessed values. The difference in values is multiplied by the rate
applicable to the date of the event and then prorated based on the number of
months remaining in the fiscal year, ending June 30th. If you purchased
the property for less than the amount assessed on the tax roll and the current
taxes are paid, you will receive a supplemental tax refund.
Will I get a supplemental tax (bill) every
No. It is a one-time adjustment. It only
occurs when there is a change of ownership or when a new construction project is
completed. In a few instances, destruction of property due to acts of
nature could lead to a negative adjustment that may result in a supplemental
What are special assessments?
are additional charges attached to a tax bill levied by cities, special
districts, and other governmental entities. Special assessments are not
part of the tax rates. These assessments may include but are not limited
to the following: garbage collection, weed abatements, sewer charges,
maintenance fees, Mello-Roos, etc. The calculation of these charges is the
responsibility of the agency that levies them. These special assessments
are individually identified on your tax bill. For questions regarding
these special assessments, please call the telephone number of the agency that
levied it. The phone number is indicated on your tax bill corresponding to
the assessment in question.
What is Mello-Roos?
The Mello-Roos Act of 1982
provides a flexible alternative method for local governments to finance public
facilities. This legislation allows cities, counties, and special
districts to designate specific areas as “Community Facilities Districts” (CFD)
and, with the approval of two-thirds of the qualified voters, allows these
districts to issue bonds and collect special taxes to finance such
projects. The CFD may finance projects with a specific benefit to the
district, such as streets, water, sewer, and drainage facilities, as well as
projects of a more general nature, such as parks, schools and libraries.
How long will Mello-Roos fees last?
the bonds are paid over a period of 10 to 20 years. To get an exact time
period for your assessment, you will need to contact the agency shown on your
How long does it take to obtain a refund?
Property Tax Division of the Auditor-Controller's Office (ACO) issues refunds as
a result of value corrections, assessment appeals and special assessment
reductions. Once these corrections are made to the tax roll, the refund is
sent to the Tax Collector’s Office (TC), where a “claim for refund” is prepared
and mailed to the taxpayer. When the claim form is returned, the TC will
release the refund back to the Auditor-Controller to process a refund
warrant. As a matter of policy, the refund warrant is processed within 10
For the following issues, please contact the agency identified on
your tax bill.
- What is the balance of my
- Who shall I ask about Mello-Roos? School
- How long do I have to pay my voter approved
- How do I clear or pay my delinquent garbage
- I have a well to supply me with water. Do I still have to
assessment for water on my tax bill?