Use Parcel Access and assessor data files
San Bernardino County provides an interactive Assessor Parcel Access map, historical roll values, parcel maps and downloadable secured and unsecured assessment files. Some owner and address information is limited under California public-record law.
- Open Assessor Property Information and launch Parcel Access.
- Search or navigate by parcel and confirm the APN and property location.
- Use assessment-roll and property-characteristic files for broader research when needed.
- Use MyTaxCollector for tax status and payment.
- Use the Recorder’s Index for official recorded documents.
What the public record can and cannot establish
The county publishes assessment values, parcel maps, property characteristics, owner-transfer data, Williamson Act parcel information and monthly or annual roll files.
The Assessor states that its data is for taxation and does not establish legal ownership or permitted use. Owner information can also be protected under California law.
Use the correct office
| Task | Responsible office | Best next step |
|---|---|---|
| Parcel data, assessed value, exemptions or property characteristics | Assessor | Use Parcel Access or Assessor Property Information. |
| Tax bill, payment, delinquency or tax sale | Treasurer-Tax Collector | Use MyTaxCollector. |
| Recorded deed or official document | Recorder | Use the Recorder’s official public-record index. |
| Challenge an assessment | Assessment Appeals | Follow the official assessment-appeal instructions and deadline. |
Roll data, maps and assessment limitations
San Bernardino publishes annual and monthly roll data, parcel-map updates and historical city and county values. Large data files are useful for research but must be interpreted using the published layouts.
The office disclaims guarantees about completeness and requires users to decide whether the data quality is adequate for their use.
Exemptions, disaster relief and special property
ARC services include homeowners and other tax-savings programs, disaster relief, manufactured homes, business property, Proposition 13 and Proposition 19 information.
- Williamson Act parcel data is available for agricultural-property research.
- Business property and manufactured homes have dedicated workflows.
- Destroyed or damaged property can require a relief filing.
- Parcel shape files are obtained through the county GIS team rather than the standard parcel viewer.
San Bernardino assessment appeals
A property owner should first identify whether the disagreement is a factual correction, an exemption issue or a value dispute. Formal appeals follow the county’s published filing process and must be submitted by the applicable deadline.
Do not rely on a general email inquiry as an appeal filing. Preserve proof of the formal submission.
Property-tax bills and payments
The Treasurer-Tax Collector is separate from ARC and handles current and delinquent taxes, online payments and tax-sale information.
Use the official MyTaxCollector site reached from county resources. County Property Lookup never requests payment credentials.
Deeds, ownership and recorded-document research
The Recorder’s Index is the correct source for recorded instruments. The Assessor’s owner field is a tax-administration record, not a legal title determination.
Common lookup problems
- Protected owner data may not appear in public downloads.
- Parcel-map updates are published by month and may not match the date of another data file.
- Third-party vendors can charge for reports that differ from county data.
- A land-use question belongs with the city or Land Use Services.
- Use a title company or attorney for a legal-ownership conclusion.
Buyer and homeowner checks
- Verify the APN and legal description.
- Review assessment values and the owner-transfer date file.
- Check Williamson Act or other special-property status.
- Search Recorder documents for deeds, liens and easements.
- Confirm permitted use with the correct land-use agency.
County-specific bottom line
San Bernardino provides extensive downloadable assessor data, but users must separate tax records, recorder documents, tax payments and land-use decisions.
Frequently asked questions
Does San Bernardino County publish bulk assessor data?
Yes. It publishes secured and unsecured rolls, property characteristics, owner-transfer data and parcel-map files.
Can the Assessor confirm legal ownership?
No. The county states that the Assessor-Recorder-Clerk has no legal authority to determine legal ownership.
Which browsers should I use for Parcel Access?
The county recommends Chrome or Firefox.
Where do I pay property taxes?
Use the official San Bernardino County Treasurer-Tax Collector website, MyTaxCollector.
Can I obtain GIS shape files?
Yes, through the county GIS team rather than the normal Assessor parcel page.
Source and data quality
Official Verified Last verified: 2026-07-27 · Data quality: 100/100