Retrospective home appraisals
A retrospective appraisal develops an opinion of property value as of a specified past date. The report is prepared later, but the analysis addresses the property and market relevant to the earlier effective date.
A retrospective appraisal develops an opinion of property value as of a specified past date. These assignments can arise in estates, divorce and ownership disputes.
Three dates to keep separate
The effective date is the date the value opinion applies to. The inspection date is when an inspection occurs, if included in the scope. The report date is when the completed report is issued. An estate ordered months after a death may require value as of the date of death.
How the analysis works
Define the purpose, property interest, effective date and intended users. Establish historical characteristics and condition using available evidence. Research the market relevant to the effective date, analyze applicable valuation approaches and explain the conclusion. Today’s price estimate cannot simply be backdated.
What if the home has changed?
A remodeled kitchen, new ADU, removed outbuilding or later damage can change the description needed for a historical assignment. Provide a timeline and documentation. Where historical condition cannot be established adequately, the appraiser evaluates whether the scope can produce credible results and addresses necessary assumptions and limitations.
Records that help
Photos and listings near the requested date; permits, plans, repair invoices and renovation dates; prior appraisals or inspection records; parcel information; and instructions identifying the purpose, date and report users.
Can any historical date be appraised?
Feasibility depends on the evidence, property, requested date and scope. Discuss records and timing before assuming a report can meet a particular deadline.
Alpha Appraisal serves King, Snohomish and Skagit Counties. Request a quote with the address, past date, intended use and available records. Call 425-753-1971 or email dustin.labrasseur@gmail.com.
Related resources
Estate and date-of-death appraisals · Divorce appraisals · Co-owner buyouts · Request a quote
Hypothetical example: renovation after the value date
An estate needs the home’s value as of a date before a kitchen renovation. A present inspection can show the new kitchen, but the assignment must address the earlier condition. Dated photographs, permits and invoices can help establish what existed then. The report explains the evidence and any necessary assumptions. This is an illustration, not a client case.
About the appraiser
Dustin LaBrasseur, Washington Certified Residential Real Estate Appraiser, credential 1703357. Verify the credential in the national registry. Content updated October 3, 2026.
