Settling an estate is a complex responsibility, especially when residential real estate is involved. One of the most common questions executors ask is: "Why can't I just use the current market value or a Zestimate to settle the estate?"
The answer lies in a specific legal requirement known as a Date of Death Appraisal (or Retrospective Valuation). If you are handling probate or filing an estate tax return, understanding this process is essential to protecting the heirs and staying compliant with the IRS.
"Without a certified appraisal report to prove Fair Market Value on the date of death, you risk a massive tax bill — or an IRS audit."
What is a Retrospective "Date of Death" Appraisal?
Most appraisals look at what a house is worth today. However, for estate purposes, the IRS and probate courts require the Fair Market Value as of the specific date the owner passed away.
Because the appraisal is performed after the fact — sometimes months or even years later — it is called a Retrospective Valuation. The appraiser must "go back in time" to analyze market conditions, comparable sales, and the property's condition as it existed on that exact date.
The Power of the "Step-Up in Basis"
The biggest financial advantage of a Date of Death appraisal is the Step-up in Basis. When a property is inherited, its cost basis for tax purposes is adjusted from the original purchase price to the value on the date of the owner's death.
Without a certified appraisal report to prove that $500,000 value, the IRS may not recognize your step-up in basis — potentially exposing heirs to capital gains tax on the full $460,000 appreciation.
Why a REALTOR'S® CMA is Not Enough
While real estate agents are experts at listing homes, a Comparative Market Analysis (CMA) is not a legal document. Here is why it falls short for estate purposes:
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Lack of USPAP Compliance: IRS and probate courts typically require reports that follow the Uniform Standards of Professional Appraisal Practice (USPAP). A CMA does not meet this standard.
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Admissibility: If a valuation is contested by an heir or the government, a licensed appraiser can provide litigation support and expert testimony. A CMA generally cannot hold up under that level of scrutiny.
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Forensic Detail: A retrospective appraisal involves forensic research into historical data — market conditions, comparable sales, property condition — that standard listing tools simply do not provide.
Summary for Executors
If you are currently managing an estate, do not leave the valuation to guesswork. A professional Date of Death appraisal from a certified residential appraiser ensures:
What a Certified Date of Death Appraisal Provides
IRS Compliance — meets the documentation standard required for estate tax filings and step-up in basis claims.
Equitable Distribution — ensures all heirs receive a fair share based on an objective, defensible valuation.
Tax Protection — establishes an accurate step-up in basis, protecting heirs from unnecessary capital gains taxes when the property is sold.
Court-Admissible Documentation — a USPAP-compliant report that holds up in probate court and under legal scrutiny.
Residential Valuation Group connects estate executors, family law attorneys, and homeowners across Everett, Seattle, Bellevue, and all of King and Snohomish County with certified appraisers who specialize in fair market value determinations for probate court.