Free tool

Budget, allocation, CSV export. Under 2 minutes, no signup.

1Budget
2Units
3Export
100% private · No data stored

Why use this calculator

  • Save time

    Get accurate HOA dues in under 2 minutes instead of wrestling with spreadsheets.

  • Export ready

    Download CSV files to share with your board or homeowners instantly.

  • Any allocation

    Equal splits, ownership shares, or custom weights — all supported.

  • 100% private

    Your data stays in your browser. Nothing is stored on our servers.

Coming soon

Want to manage your HOA all year long?

We're building an online workspace for small HOAs to track dues, payments, and board decisions — without spreadsheets or endless email threads.

  • Track payments and send reminders automatically
  • Store documents and meeting minutes in one place
  • Collaborate with your volunteer board securely
  • Generate reports for annual meetings
Join the waitlist
Private beta

Ready to bring harmony to your small HOA?

Reserve a spot on the Thorpia waitlist for early product updates and the first invite when the private beta opens for small, self-managed HOAs.

Join the waitlistGet early access

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