Read this first
This is a first-pass read, not tax advice. TaxNexus estimates your California exposure using current FTB and CDTFA figures — built to tell you whether you have a problem and roughly how big, not to file for you or replace a CPA. Confirm anything that matters with a tax professional before you act; FTB Publication 927 is a good starting point.
Your inputs stay in your session — nothing's stored, and figures go only to our own server to run the numbers.
⚡ Nexus Analyzer Engine
Submit the analyzer form to populate status, penalty forecaster, and your FTB checklist.
Entity “what-if” (illustrative)
How the $800 minimum and gross-receipts fees land across LLC, S-corp, and C-corp — based on current FTB figures.
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Audit protection lane
When you're ready to stay ahead of the next notice, Guard and Aggregator keep watch on your exposure so the next letter never blindsides you.
See Guard & Aggregator plans