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Tag: C-Corp Taxes
California R&D Credit vs. Federal: Can Founders Double-Dip?
Introduction Founders often ask: “Can I claim the R&D credit at both federal and California levels?” In 2025, the answer is yes but with key differences in calculation, rules, and refundability. In this blog, we compare the California Research Credit with the Federal R&D Credit under IRC §41 and guide founders on how to maximize […]
Alternative Minimum Tax (AMT) on California C-Corps Explained for 2025
Legal Foundation Statute: California Revenue & Taxation Code (R&TC) § 23455 adopts the federal AMT regime (IRC § 55) with state-specific rates and adjustments. Rate: 6.65 percent of California alternative minimum taxable income (AMTI) after the state exemption; 8.65 percent for banks and financial corporations. Exemption: First $40,000 of AMTI is exempt; the exemption is […]