Property Tax
San Bernardino County property tax services are handled through the County Auditor-Controller/Treasurer/Tax Collector, with different divisions responsible for calculating and maintaining property tax charges, collecting payments, issuing certain refunds, and providing tax-related records and online services. This article explains how those responsibilities are divided, how to pay or review property taxes online, what options are available for partial payments and tax estimates, how to research tax distributions and documents, and which county office to contact for a specific property tax issue.
Property Tax Responsibilities
The Property Tax Division handles the administrative and accounting work behind San Bernardino County property taxes. According to the County Auditor-Controller/Treasurer/Tax Collector, the division compiles assessed valuations, calculates tax rates, prepares tax rolls, and maintains tax charges.
Its responsibilities extend beyond preparing the tax roll. The division also apportions collected property taxes to approximately 600 entities, administers the Redevelopment Property Tax Trust Fund, projects tax collections, calculates pass-through payments, processes tax bill corrections, issues refunds, and allocates excess tax proceeds.
These responsibilities are different from collecting a taxpayer's payment. That distinction matters when deciding which part of the county system to use. A question involving tax rates, tax-roll administration, corrections, refunds, or the distribution of collected taxes generally relates to Property Tax Division functions. A question centered on paying a bill, tax collection, or tax-sale activity relates to the Tax Collector Division.
Property Tax Collection
The Tax Collector Division is responsible for tax collection, tax collection accounting, and tax sale functions. Its property-related services include online property tax payments, partial payments, bulk payments, tax-sale information, mobile home tax clearance certificates, penalty cancellation request forms, delinquent unsecured taxes, and new tax bill estimates.
Keeping the two divisions separate can prevent a common source of confusion. The Property Tax Division maintains and processes important property tax information, while the Tax Collector Division is the part of the Auditor-Controller/Treasurer/Tax Collector responsible for receiving and accounting for tax payments.
The Tax Collector page also publishes information for taxpayers such as new homeowner information, tax bill explanations, postmark information, closure schedules, fee schedules, and other tax collection materials. Taxpayers should use the service that matches the task they are trying to complete rather than assuming every property tax question belongs to the payment system.
Online Property Tax Payments
San Bernardino County provides an official online property tax service through the Auditor-Controller/Treasurer/Tax Collector website. The online service provides 24-hour access and instant confirmation for property tax payments.
The county specifically warns taxpayers about increasing mail theft and check fraud and advises users to avoid mailing checks. Taxpayers who want an electronic option can use the county's online payment system instead of sending a check through the mail.
The same online system also supports taxpayers responsible for many accounts. Its bulk-add feature can handle up to 3,000 accounts in one upload. A login is required to use that bulk-payment feature. This is especially relevant to users managing multiple taxable properties or a large number of accounts, because it provides a county-operated alternative to processing each account separately.
Information Before Payment
Before beginning an online property tax transaction, taxpayers should make sure they are working with the correct property tax account. This is especially important for anyone responsible for several properties or using the bulk feature. The county's reference material does not identify a universal list of information required for every transaction, so taxpayers should follow the fields and instructions presented by the official payment system.
Payment confirmation is another reason to use the official online service. Because the system provides instant confirmation, taxpayers can verify that an online transaction reached the county system rather than relying on the delivery of a mailed payment.
Reviewing Payment History
Taxpayers can also access their property tax payment history through the county's property tax payment dashboard. The dashboard is part of the Auditor-Controller/Treasurer/Tax Collector's online tax services and provides a dedicated place to review property tax payments.
This function is distinct from making a new payment. Someone trying to confirm a previous transaction should use the payment-history area rather than starting another payment. Separating those tasks can help prevent accidental duplicate activity, particularly when a taxpayer is unsure whether a prior transaction was completed.
The dashboard also displays the county's property tax payment safety notice and provides access to the online payment functions. Users encountering problems with the property tax services can use the county's official contact options for assistance.
Partial Property Tax Payments
San Bernardino County offers a Partial Payment Program for secured property taxes. The program allows taxpayers to pay secured property taxes in smaller amounts rather than managing the obligation only as a single larger payment.
The county describes the program as an option intended to make secured property taxes more manageable, reduce delinquency, and help taxpayers stay current with their property tax obligations. The program is part of the Tax Collector Division rather than the Property Tax Division.
Taxpayers considering this option should pay close attention to the type of tax involved. The county identifies the program specifically with secured property taxes. Users should not assume that the same partial-payment process automatically applies to every other type of county tax obligation.
The official Partial Payment Program page also includes an introductory video and a step-by-step tutorial released in October 2025. Those materials can help taxpayers become familiar with the county's current partial-payment process before proceeding.
Estimating a New Tax Bill
People who have recently purchased a home, or who are considering purchasing one, can use the county's new tax bill estimate service. The service is operated through the Tax Collector Division and is intended to estimate what new tax bills may be.
This estimator is particularly relevant when a property's ownership situation is changing and the user wants a county-provided estimate before receiving a new bill. The county states that information will be required to prepare the estimate, and users should provide the details requested by the official form or system.
An estimate should be treated as an estimate rather than as a replacement for an issued property tax bill. When an actual bill or other official tax record is available, taxpayers should rely on the county's official tax information for the account and transaction they are handling.
Property Tax Corrections and Refunds
The Property Tax Division processes tax bill corrections and issues refunds as part of its official duties. This role is separate from the Tax Collector's responsibility for receiving and accounting for payments.
San Bernardino County also maintains an unclaimed property tax refund service. Taxpayers who believe they may be entitled to an unclaimed property tax refund can use that county page to review the available process.
The unclaimed-refund service includes instructional videos explaining how to claim an unclaimed refund, including guidance in English and Spanish. Users should follow the county's current instructions rather than assuming that finding a refund automatically results in payment. The refund process and the property tax payment process are separate functions.
Why Account Details Matter
Property tax corrections and refunds can involve records that differ from a current payment request. A person contacting the county about a possible correction or refund should be ready to identify the property or tax matter involved as accurately as possible and respond to any information requests presented by the official county service.
This is especially important when someone owns or manages more than one property. Using the wrong property information can direct attention to the wrong tax charge, payment history, or refund record.
Where Property Taxes Go
The Property Tax Division not only maintains tax charges but also apportions collected property taxes among government entities. Residents interested in how their own property tax dollars are distributed can use the county's property tax distribution tools.
The property-level tool allows a user to enter an address or parcel number and see a personalized breakdown of how taxes collected on that property are distributed across public services. The county describes examples including education, public safety, and infrastructure.
For broader research, the same county service provides GIS Property Tax Dashboards. These dashboards offer views of property tax information by Tax Rate Area and taxing-agency jurisdiction. They are designed for users who want to examine allocation patterns across an area rather than only one property.
The county cautions users that dashboard data should not be relied upon as the sole basis for decisions. Its terms state that the county does not guarantee the content's accuracy, sequence, timeliness, or completeness. The property-level breakdown and GIS dashboards are therefore most useful as informational views of tax distribution, not as substitutes for official tax bills or other controlling county records.
Tax Rates and County Reports
Taxpayers, researchers, property professionals, and other users who need published property tax materials can search the Auditor-Controller/Treasurer/Tax Collector's Property Tax document repository.
The repository supports searches and filtering by report name, report type, division, fiscal year, quarter, and month. Property Tax is one of the available divisions, and the reference materials include Tax Rate Books for multiple fiscal years.
This document system serves a different purpose from the payment portal. The payment service is used for property tax transactions, while the report repository is intended for finding reports and published documents. Users researching tax rates or historical property tax reports should use the document repository rather than expecting the payment screen to provide those materials.
Mobile Home Tax Clearance
The Auditor-Controller/Treasurer/Tax Collector also provides an official Mobile Home Tax Clearance Certificate service. This is a specialized property tax function and should not be confused with an ordinary property tax payment or a general payment-history request.
The county's tax clearance page is part of its property tax online services and carries the same payment-safety warning used elsewhere on the site. Users who specifically need a mobile home tax clearance certificate should use the tax clearance service rather than a general property tax document search.
Tax Sales and Delinquency
The Tax Collector Division is also responsible for tax sales. Its tax-sale service includes legal publications, an auction site, terms and conditions, and information concerning excess proceeds.
A tax-sale inquiry should therefore be directed to Tax Collector services rather than to the Property Tax Division's tax-rate, apportionment, or tax-roll functions. The distinction becomes especially important when users are researching property connected with delinquent tax collection or an auction-related process.
The Tax Collector also handles delinquent unsecured taxes. The county states that unsecured tax bills go into default if they are not paid by 5:00 p.m. on October 31, with a 1.5 percent penalty added each month to unpaid tax amounts. This information relates specifically to unsecured tax bills and should not be treated as a general deadline for all property tax bills.
Common Property Tax Mistakes
Using the Wrong Division
One of the easiest mistakes is directing a question to the wrong county division. Property tax calculation, tax-roll maintenance, apportionment, corrections, and certain refunds fall under the Property Tax Division. Payment collection, payment accounting, partial payments, tax sales, and related collection services fall under the Tax Collector Division.
Confusing Research With Payment
The county operates several systems that may appear similar because they all concern property taxes. The online tax service is designed for payments, the dashboard is used to review payment history, the document repository provides reports and Tax Rate Books, and the tax-dollar dashboards show how collected taxes are distributed. Choosing the system based on the actual task can save time and reduce errors.
Paying the Wrong Account
Taxpayers responsible for multiple properties should verify that they are working with the intended property or account before completing a transaction. This becomes even more important when using the bulk-payment feature, which can accommodate as many as 3,000 accounts in one upload.
Assuming Every Tax Is Secured
The Partial Payment Program is described specifically as a program for secured property taxes, while the Tax Collector separately identifies delinquent unsecured tax services. Users should pay attention to how the county classifies the tax obligation before relying on instructions associated with another type of tax.
Sending Checks by Mail
The Auditor-Controller/Treasurer/Tax Collector warns that mail theft and check fraud are increasing and advises taxpayers to avoid mailing checks. The county's online property tax service offers 24-hour access and instant confirmation as an alternative.
Relying on Dashboard Data Alone
The county's property tax distribution dashboards are useful for understanding where tax dollars are allocated, but their published terms caution against relying solely on the displayed data. A taxpayer dealing with a bill, payment, correction, or other account-specific issue should use the appropriate official property tax or Tax Collector service for that task.
Contacting the County
The Auditor-Controller/Treasurer/Tax Collector provides a county contact form and assistance options for questions or requests concerning its services. The official contact area also provides access to a virtual support chat, a phone directory, and office-hours information.
When contacting the county, the most useful first step is identifying the nature of the issue. Payment questions should be associated with Tax Collector functions. Tax-rate, tax-roll, allocation, correction, or Property Tax Division matters should be directed to the corresponding property tax service. Users seeking document recording, birth or death certificates, marriage licenses, fictitious business name information, or other Assessor-Recorder-County Clerk services should not treat those requests as Property Tax Division matters.
Property Tax Offices
Property Tax Division
268 W. Hospitality Lane, 2nd Floor
San Bernardino, CA 92415
(909) 382-3090
Tax Collector Division
268 W. Hospitality Lane, First Floor
San Bernardino, CA 92415
(909) 387-8308
Property Tax FAQs
Where can I find information about property tax direct charges?
San Bernardino County lists Property Tax Direct Charges as a specialized service of the Auditor-Controller/Treasurer/Tax Collector’s Property Tax Division. These charges are handled separately from the ordinary payment functions of the Tax Collector. Property owners, agencies, and professionals researching a charge associated with the property tax roll can start with the county’s Property Tax Division services, where direct-charge information is grouped with other tax-roll and accounting functions. This is the appropriate county area when the issue concerns how a charge is incorporated into property tax administration rather than how an existing bill is paid.
Does the county handle property tax matters involving subdivision maps and public acquisitions?
Yes. The Property Tax Division identifies both Subdivision Maps and Public Acquisitions among its official services. These functions are relevant when property changes, governmental acquisitions, or subdivision activity affect property tax administration. Because these are specialized tax-roll matters, users should begin with the county’s Property Tax Division rather than the online payment portal. The division’s service page organizes these subjects alongside apportionment, tax rates, roll changes, and other administrative property tax functions.
Where is information about successor agencies and tax increment financing?
The county’s Property Tax Division maintains services related to Successor Agency Dissolution, the Redevelopment Property Tax Trust Fund, other tax increment financing, and the Countywide Oversight Board. These subjects generally concern the allocation and administration of property tax revenues connected with former redevelopment agencies rather than an individual homeowner’s routine tax payment. Users researching these matters can review the official property tax service categories to locate the relevant county program or published information.