Key Tax Provisions in the 2025 OBBBA
What it means for California businesses and CPAs

Stay ahead of the biggest tax reform since 2017
The 2025 One Big Beautiful Bill Act (OBBBA) brings sweeping updates to the tax code, many with direct implications for California taxpayers and the CPAs who serve them. From changes to the SALT deduction cap and international tax rules, to enhanced R&D expensing and new limitations on clean energy credits, this legislation could significantly impact planning strategies for individuals, businesses, and multinationals alike.
CalCPA is here to help you navigate the changes. Explore our exclusive video series, in-depth resources, and expert insights to stay ahead of the changes and confidently guide your clients through what’s next. Stay tuned for the latest updates and insights!
Video Series
One Big Beautiful Tax Bill Series | 2025
The 2025 “One Big Beautiful” Tax Bill (OBBB) brings sweeping changes to the tax landscape, impacting individuals, small businesses, multinationals, and key industries across California. This multi-episode series breaks down the bill’s most significant provisions, with expert-led discussions designed to help CPAs and financial professionals understand what’s changing, what it means, and how to advise clients with clarity and confidence.
Choose a video below from the playlist to get started.
Upcoming tax webinars
Virtual
International Tax Series—Form 5471: The Section 962 Election | 132936
July 25, 2025 | 9–10 a.m. PT
CPE: 1
Virtual
Crypto, Blockchain and Taxes 25-26 | 134160
July 28, 2025 | 10 a.m.–12 p.m. PT
CPE: 2
Virtual
Partnership & LLC (Form 1065)–Formation to Liquidation 25-26 | 132912
July 29, 2025 | 6 a.m.–1:30 p.m. PT
CPE: 8
Virtual
Partnership & LLC (Form 1065)–Formation to Liquidation 25-26 | 132915
July 29, 2025 | 8 a.m.–3:30 p.m. PT
CPE: 8
Virtual
Comprehensive Partnership Taxation Form 1065 25-26 | 132080
July 29, 2025 | 8 a.m.–3:30 p.m. PT
CPE: 8