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!
Upcoming tax webinars
Virtual
Staff Tax Training: S Corporations (Form 1120S) 25-26 | 132925
July 9, 2025 | 8 a.m. PT – July 10, 2025 | 3:30 p.m. PT
CPE: 16
Virtual
Don Farmer’s Tax Ninja: Essential Principles of Taxation 2025 | 134044
July 9, 2025 | 10:30 a.m.–1:30 p.m. PT
CPE: 4
Virtual
Individual Tax Compliance 2025 | 133969
July 11, 2025 | 8 a.m. PT – July 18, 2025 | 3:30 p.m. PT
CPE: 16
Virtual
AHI: A&A Level I - Basic Staff Training 25-26 | 133170
July 14, 2025 | 7 a.m. PT – July 17, 2025 | 1 p.m. PT
CPE: 24
Virtual
S Corporation (Form 1120S) – Formation to Liquidation 25-26 | 132917
July 15, 2025 | 6 a.m.–1:30 p.m. PT
CPE: 8