California Franchise Tax Board
FTB publishes transparent historical tax related information and statistical research data and reports. The data catalogues, tables and reports uploaded to the Open Data site are from our published Annual Reports, Department of Finance (DOF) Exhibits and California Income Tax Expenditure Reports.
CA Open Data offers access to our standardized data that can be easily retrieved, combined, downloaded, sorted, searched and analyzed by individuals, businesses, researchers, journalists, developers, and decision makers. Our goal is to spark innovation, promote research and economic opportunities, engage public participation in government, increase transparency, and inform the public.
We are excited to hear from you on how we may improve the data and answer your questions. Please send us an email at FTBopendata@ftb.ca.gov
Search California Franchise Tax Board datasets
123 datasets
C-4, Deductions by Type, All Corporations
- Published by: California Franchise Tax Board
- Last updated: Tuesday, October 15, 2024
- File types: CSV, PDF
This dataset contains corporate tax statistics based on corporate tax returns (C and S Corporations)....
C-3, Sources of Income For All Corporations
- Published by: California Franchise Tax Board
- Last updated: Tuesday, October 15, 2024
- File types: CSV, PDF
This dataset contains corporate tax statistics based on corporate tax returns (C and S Corporations)....
C-9, Tax Liability By Accounting Period All Corporations
- Published by: California Franchise Tax Board
- Last updated: Tuesday, October 15, 2024
- File types: CSV, PDF
This dataset contains corporate tax statistics based on corporate tax returns (C and S Corporations)....
C-7A And C-7B, Corporation Tax Credits Allowed By Corporation Type
- Published by: California Franchise Tax Board
- Last updated: Tuesday, October 15, 2024
- File types: CSV, PDF
This dataset contains corporate tax statistics for C and S corporations based on corporate tax returns....
C-8A And C-8B, Tax Liability By State Net Income Class, C And S Corporations
- Published by: California Franchise Tax Board
- Last updated: Tuesday, October 15, 2024
- File types: CSV, PDF
This dataset contains tax liability data identified by C and S corporations within ranges of state net income....
C-5, Apportionment Formula Results All Corporations
- Published by: California Franchise Tax Board
- Last updated: Tuesday, October 15, 2024
- File types: CSV, PDF
The dataset includes a summary of the average corporation apportionment factors for all Corporations (C and S Corporations) based on California corpor...
C-8, Tax Liability By State Net Income Class All Corporations
- Published by: California Franchise Tax Board
- Last updated: Tuesday, October 15, 2024
- File types: CSV, PDF
This dataset contains tax liability data for all corporations within ranges of state net income (C and S Corporations) based on California corporation...
Personal Income Tax Statistics By Zip Code
- Published by: California Franchise Tax Board
- Last updated: Friday, September 26, 2025
- File types: CSV, PDF
This dataset contains data from California resident tax returns filed with California adjusted gross income and self-assessed tax listed by zip code. ...
B-5, Sole Proprietorships By Major Industry
- Published by: California Franchise Tax Board
- Last updated: Tuesday, October 15, 2024
- File types: CSV, PDF
Personal Income Tax Statistics for California resident sole proprietorships by major industry....
A-1A to A1C, Tax Rates All Filing Statuses
- Published by: California Franchise Tax Board
- Last updated: Tuesday, October 15, 2024
- File types: CSV, PDF
Marginal Tax Rate Tables published by the FTB beginning with 1935. The dataset contains filing status and tax bracket information....