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Frontage Common Corner Deduction Tool

Calculate frontage common corner deduction from explicit caller-supplied inputs.

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Description

Calculate frontage common corner deduction from explicit caller-supplied inputs.

Property calculations depend on the chosen area, time, rate, and money bases. A ratio, proration, or balance is meaningful only when its inputs describe the same transaction and period. Contract interpretation and the selection of applicable rules remain separate tasks.

Calculate frontage common corner deduction from explicit caller-supplied inputs.

When to use this tool

Use it for frontage common corner deduction when the required inputs and conventions are already available.

How to use the tool and how it works

  1. Enter firstFrontage, secondFrontage, sharedCornerMeasure. Use the stated units and boundary conventions.
  2. Run the calculation. Correct any input error before interpreting a result.
  3. Read uniqueFrontage. Inspect any known, defined, inclusion, or boundary flags before interpreting numeric values.

Add two nonnegative frontage measures and subtract a supplied sharedCornerMeasure no larger than either frontage.1

Input fieldMeaning and unitsAccepted input
firstFrontageFirst FrontageRequired. Finite number; minimum 0.
secondFrontageSecond FrontageRequired. Finite number; minimum 0.
sharedCornerMeasureShared Corner MeasureRequired. Finite number; minimum 0.
Output fieldInterpretationReturned shape
uniqueFrontageUnique FrontageRequired. Finite number.
json
{
  "input": {
    "firstFrontage": 30,
    "secondFrontage": 20,
    "sharedCornerMeasure": 5
  },
  "output": {
    "uniqueFrontage": 45
  }
}

Limitations and assumptions

  • All measures need compatible length units and the shared portion is supplied. The tool does not measure geometry, select a corner-lot assessment convention, or determine property value.
  • The field tables describe structural bounds; the mechanics also state cross-field requirements. Malformed input shapes, disallowed keys, and invalid domains cause input errors. Results must remain finite and within the declared output contract. A successful false flag or zero placeholder is distinct from an error.
  • Numeric arithmetic uses binary floating point. Exact comparisons have no hidden tolerance or decimal rounding; negative zero is exported as zero. Decimal-text integer operations retain the exactness specifically stated above.

Alternative or Complementary methods

For frontage common corner deduction, check the source records and the supplied rule before comparing the result with another method. Consult the applicable authoritative rule when deciding eligibility, legal timing, fees, or obligations.

References

  1. Calculation and input contract: real-estate/frontage-common-corner-deduction — tool.io

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