Contact
Questions, feedback, or something not working as expected? Here’s the best way to reach us.
If you need to get in touch, email us directly:
What to expect
- We read every message.
- We respond as quickly as possible.
- We can help with calculator questions, site issues, or general feedback.
Please note: we can’t provide personalized tax or legal advice, and we don’t access IRS accounts.
What we can help with
- How the calculator works
- Understanding what the estimate represents
- Bug reports or display issues
- Suggestions to improve the tool
For official IRS determinations, notices, or filings, the IRS is always the final authority.
One last thing
TaxPenaltyFast is designed to be simple, fast, and respectful of your time. If something isn’t clear or doesn’t feel right, we want to know.