Spreadsheet checks before running Closing Cost in Delaware

What the checker catches

DocketMath’s closing-cost tool can help you validate common spreadsheet issues before you run a closing-cost calculation in Delaware (US-DE). The goal isn’t to “fix” your math for you—it’s to catch spreadsheet problems that can quietly distort outputs, especially when your spreadsheet also models Delaware timing rules (like a limitations window) alongside closing-cost numbers.

Here are the key spreadsheet problems the checker is designed to surface:

• Missing or mis-mapped dates

  • Examples: Purchase date entered as blank, or a “start date” shifted by a row.
  • Impact: Any downstream timing logic (even something simple like calculating a window end date) becomes unreliable.

• Incorrect statute/timing rule applied

  • For Delaware, this checker is set up using the general/default limitations period described in Title 11, §205(b)(3).
  • Delaware’s general SOL period is 2 years under 11 Del. C. §205(b)(3).
  • Important: No claim-type-specific sub-rule was found in the jurisdiction data provided. That means the checker applies 2 years as the general/default period rather than switching periods based on different claim categories.

• Formula drift

  • Typical cause: A formula references the wrong cell range after someone inserts columns or rows.
  • Impact: Your closing-cost result can still look “reasonable,” but be computed from the wrong inputs—so different versions of the same sheet may produce different numbers.

• Unit and rate mismatches

  • Examples: Treating a percentage as a decimal, or mixing annual and monthly rates.
  • Impact: Results can be off by factors (for example, entering 5 instead of 0.05, or applying a monthly rate as if it were annual).

• **Sign errors (fees/credits)

  • Example: A credit recorded as a positive number instead of negative (or vice versa).
  • Impact: Totals can “net” incorrectly while still summing cleanly, which makes the error harder to notice.

Gentle heads-up (not legal advice): If your spreadsheet ties timing concepts (like a “limitation date” or “lookback window”) to your calculation, then using the wrong SOL period can skew what you treat as “effective” amounts for that window. In this Delaware setup, the checker assumes the general 2-year default under Title 11, §205(b)(3).

Delaware timing rule the checker is built to model (general/default)

• General SOL period: 2 years
• Statutory anchor: **Title 11, §205(b)(3)
• Source reference: https://delcode.delaware.gov/title11/c002/index.html?utm_source=openai

When to run it

Run the checker right before you run (or export) any closing-cost calculation that depends on user inputs, date logic, or timing windows.

Specifically, run it:

• Before the first calculation in a new sheet

  • Set up your columns for dates, amounts, and assumptions, then run the checker before you populate final values.

• After any structural change

  • If you add a column, reorder rows, or copy/paste from another template, run the checker again—formula drift usually happens during these “quick edits.”

• Before sharing outputs with a third party

  • If you export to PDF/CSV or send results to a coworker/client, run the checker first so your shared numbers match your internal logic.

• Whenever you update any date fields

  • In Delaware workflows, the checker’s timing assumptions rely on the general/default 2-year period under 11 Del. C. §205(b)(3). Changing any date inputs can ripple through any window or deadline calculations you’ve built.

A practical “2-minute” checklist:

Try the checker

You can run the closing-cost checker in DocketMath here:

• Primary CTA: /tools/closing-cost

To get more reliable “before you calculate” results, set up your sheet so the checker can clearly map your inputs.

Upload the spreadsheet, review the warnings, and then run the calculation once the inputs are clean: Try the checker.

Inputs to set up (and why they matter)

• **Key dates (at least the earliest date used in your model)

  • If your worksheet computes any time-window based on limitations logic, the earliest date is the anchor for that window.

• Amounts and rates

  • Keep units consistent across all fields (same currency/unit conventions, same time basis for rates).

• Assumptions that affect totals

  • Example: rate fields (percent vs decimal) and whether you treat a charge as one-time vs recurring.

How outputs change when spreadsheet issues are fixed

When the checker finds issues and you correct them, these are the most common downstream effects:

• Corrected totals

  • Fixing unit mismatches (like 5 vs 0.05) can materially change totals.

• Recomputed timing-dependent fields

  • If your sheet generates any “effective date,” “window end,” or “deadline,” date validation can shift those computed outputs.

• More stable exports

  • Resolving formula drift helps ensure the numbers you export match the numbers from your live sheet.

Related reading

• Average closing costs in Alabama — Rule summary with authoritative citations
• Average closing costs in Alaska — Rule summary with authoritative citations
• Average closing costs in Arizona — Rule summary with authoritative citations