Spidell’s California Taxletter®
Spidell’s California Taxletter® is a monthly newsletter plus a searchable online archive of back issues that keeps you ahead of California tax changes so they don’t take you by surprise.
Recent articles address important issues:
- Understand California’s new retirement contribution deduction conformity (November 2025)
- Property tax relief for disaster victims (November 2025)
- Medi-Cal asset test reinstated starting in 2026 (November 2025)
- Conformity bill incorporates many federal changes made in last 10 years (October 2025)
- California’s wildfire settlement exclusion expanded (October 2025)
- New rules simplify process for apportioning income from professional services (October 2025)
- Up to 4% FUTA tax rate increase may be coming in January (September 2025)
- IRS changes mailing addresses for certain payments (September 2025)
- OTA has limited authority to invalidate CDTFA and FTB regulations (September 2025)
- California does not conform to OBBBA changes (August 2025)
- Budget deal contains welcome relief for many taxpayers (August 2025)
- Big changes coming to California’s passthrough entity elective tax (August 2025)
- Budget deal contains significant tax changes (July 2025)
- BOE updates Prop. 19 intergenerational transfer information sheets (July 2025)
- Two new programs available to help San Francisco businesses (July 2025)

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Plus! Get access to the Strategic Tax Advisor
Leading-edge analysis for your business and high net worth clients
Turn to the Strategic Tax Advisor when you need answers to more advanced and complex questions on California tax issues, with articles focusing on recent critical developments:
- FTB continues to closely scrutinize like-kind exchanges (April 2025)
- Want to exclude gain from the sale of qualified small business stock? (April 2025)
- Right loss, wrong year (April 2025)
- OTA rules against taxpayers in two Research Credit appeals (January 2025)
- FTB to hold hearing on market-based sourcing rules (January 2025)
- Transfer of LLC ownership not recognized (January 2025)

Digital edition
Read every issue from your PC, Mac, iPad, e-Reader, or e-mail browser.
Take a look at some sample formats
Other Subscriber Benefits
- Free State Tax Directory for your tax library!
- Optional 1 hour of CPE for CPAs and CRTPs (CTEC) with each issue for only $15 (exam sent every six months).
- Annual Conformity Guide listing hundreds of differences between federal and California law.
Trusted by CA tax pros
“In a word, ‘invaluable!’ I can’t imagine calling myself a professional without the ongoing support of Spidell behind me. In particular, the California Taxletter is the ONLY publication I read faithfully.”
— Deborah St. Martin, EA; Beaumont, CA
More than a monthly newsletter
Get quick access to California tax information with a searchable online archive of back issues. Director of Editorial, Kathryn Zdan, EA, shows you how to look up specific topics and search through hundreds of articles dating back to 2009.
California Taxletter helps you:
- Use searchable online archive of over six hundred articles
- Read plain English explanations of new state tax-grabbing programs, new laws, plus examples
- Let trouble-shooting instructions help you solve pesky bills and notices your clients get
- Cut time with handy charts, checklists, and client letters
- Quickly solve problems with phone numbers, links, and California tax contact information

Guarantee of excellence
Your satisfaction is our priority. If you are not completely satisfied with Spidell’s California Taxletter® in any way, at any point in time during the coming year, we will provide you with a full refund, hassle-free. Guaranteed.
