RESOURCE COLLECTION
Property assessment data
Data sets from fiscal year 2007 to 2025.
About the data
What's included
The data sets listed below include the Office of the Assessor-Recorder’s secured property tax roll spanning fiscal years 2007-2008 to 2025-2026 (organized by fiscal year, which is July 1 through June 30).
It includes all legally disclosable information, including:
- Location of property
- Value of property
- The unique property identifier
- Specific property characteristics
Data keys
There are several "data keys" to help identify specific codes within the main data set. The data keys are identified on separate tabs of the document. The data is used to accurately and fairly appraise all taxable property in the City and County of San Francisco.
Disclaimer
The Office of the Assessor-Recorder makes no representation or warranty that the information provided is accurate and/or has no errors or omissions.
Note that the following fields are truncated in the datasets:
- Class code – truncated from 4 to 3 characters (for example, VPUB becomes VPU, FS15 becomes FS1)
- Lot depth – truncated to 3-4 characters (for example, 25,500.00 becomes 00.00, 128.500 becomes 28.5)
- Lot frontage – truncated to 3-4 characters (for example, 100,550.000 becomes 50.00, 108.667 becomes 8.66)
- Construction Type – truncated to 3 characters (for example, WOOD FRAME becomes WOO, ROW HOME becomes ROW)
- Current Sales Date - truncated to 5-6 characters (for example, October 1, 2004 becomes 41001)
Additional data
Data for purchase (secured and unsecured assessment roll)
The Historical Assessor Secured Property Assessment Roll posted on this page is free and contains all publicly available data online. Due to State Law, our office is not allowed to post ownership information online. However, this information is available for purchase or access for free at our main office. Here is the data request form.
Index to records
The Index To Records is made available to assist the public with access to City records. This is in accordance with the Sunshine Ordinance. A member of the public may request any of the records listed on the Index To Records in accordance with applicable public records laws. If you would like to request a record, please email assessor@sfgov.org.
DataSF
You can also find secured assessment roll data on DataSF. It’s the same information we link below, just displayed in a different way.
On DataSF, you can sort or filter the data by class code, neighborhood, or exemption code. You can also download it in several formats (like CSV, Excel, or JSON) or access it through an API.
Documents
Secured Property Assessment Data 2007 to 2025
2025-2026 secured property assessment roll data, which is based on assessed values as of the lien date 01/01/25.
2024-2025 secured property assessment roll data, which is based on assessed values as of the lien date 01/01/2024.
2023-2024 secured property assessment roll data, which is based on assessed values as of the lien date 01/01/2023.
2022-2023 secured property assessment roll data, which is based on assessed values as of the lien date 01/01/2022.
2021-2022 secured property assessment roll data, which is based on assessed values as of the lien date 01/01/2021.
2020-2021 secured property assessment roll data, which is based on assessed values as of the lien date 01/01/2020.
2019-2020 secured property assessment roll data, which is based on assessed values as of the lien date 01/01/2019.
2018-2019 secured property assessment roll data, which is based on assessed values as of the lien date 01/01/2018.
2017-2018 secured property assessment roll data, which is based on assessed values as of the lien date 01/01/2017.
2016-2017 secured property assessment roll data, which is based on assessed values as of the lien date/01/01/2016.
2015-2016 secured property assessment roll data, which is based on assessed values as of the lien date 01/01/2025.
2014-2015 secured property assessment roll data, which is based on assessed values as of the lien date 01/01/2014.
2013-2014 secured property assessment roll data, which is based on assessed values as of the lien date 01/01/2013.
2012-2013 secured property assessment roll data, which is based on assessed values as of the lien date 01/01/2012.
2011-2012 secured property assessment roll data, which is based on assessed values as of the lien date 01/01/2011.
2010-2011 secured property assessment roll data, which is based on assessed values as of the lien date 01/01/2010.
2009-2010 secured property assessment roll data, which is based on assessed values as of the lien date 01/01/2009.
2008-2009 secured property assessment roll data, which is based on assessed values as of the lien date 01/01/2008.
2007-2008 secured property assessment roll data, which is based on assessed values as of the lien date 01/01/2007.