The Counter-Valuation Calculator

Mathematically challenge the comps your appraiser used — and generate a defensible counter-value before your refinance, sale, or tax dispute.

Your Subject Property

Appraiser's Estimated Value ($)

Your Target / List Value ($)

Square Footage

Bedrooms

Bathrooms

Garage Spaces

Year Built

Condition

Enter Up to 3 Comparable Sales Used

Comp #1

Sale Price ($)

Square Footage

Beds

Baths

Garage

Year Built

Months Ago Sold

Condition

Comp #2 (optional)

Sale Price ($)

Square Footage

Beds

Baths

Garage

Year Built

Months Ago Sold

Condition

Comp #3 (optional)

Sale Price ($)

Square Footage

Beds

Baths

Garage

Year Built

Months Ago Sold

Condition

Your Counter-Valuation Report

Adjustment Breakdown by Comp

This calculator uses standard appraiser adjustment factors for illustrative purposes. Results are estimates intended to inform discussions — not certified appraisal values. Consult a licensed appraiser or real estate attorney for official disputes.