Fourplex

HOA late fee estimator

Model a late fee policy for an overdue assessment — flat, percent, or both — with optional grace period and cap. For board planning worksheets, not legal advice.

This worksheet is for education and planning only. It is not legal, financial, or tax advice. Confirm details against your governing documents and applicable local law before you rely on it.

Caps, notice requirements, and whether a late fee is enforceable vary by state law and your governing documents. This worksheet is for illustration only — not legal advice. Confirm your policy with qualified counsel before charging owners.

Fee model
Late fee cap (optional)
When the assessment stays overdue

One late fee charges a single fee once any day remains after the grace period. Each month overdue multiplies the unit fee by 30-day month buckets (a partial month still counts as one month).

Enter your assessment details and calculate an estimate to preview or download a PDF summary.

How to use this late fee worksheet

  1. Enter the assessment amount that is overdue and how many days past due it is.
  2. Choose whether your policy uses a flat fee, a percent of the assessment, or both.
  3. Add an optional grace period and cap if your governing documents include them.
  4. Pick one late fee for the episode or a fee for each 30-day month the balance stays overdue.
  5. Calculate to see whether a fee applies after grace, the late fee, and total due — then print or download the PDF.

Frequently asked questions

Does this tool tell me the maximum late fee allowed in my state?
No. State statutes and your CC&Rs vary widely. This worksheet helps you model numbers for discussion — confirm enforceability with qualified counsel and your governing documents.
How does the grace period work?
If days late are less than or equal to the grace period you enter, no late fee is calculated. Once any day remains after grace, the fee logic runs on the days counted after grace.
What is the difference between one late fee and each month overdue?
One late fee charges a single unit fee after grace, even if the assessment stays overdue for multiple months. Each month overdue multiplies the unit fee by 30-day month buckets (partial months count as one month).
Is my HOA data stored or sent to analytics?
No. Calculations run in your browser. We only record anonymous tool usage events (such as which tool was opened) — never dollar amounts you type.