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How can I find what my house was worth in 1991?

USPublished 6 October 2026 · Written by BuyMeWhiskey Editorial Team · How we check facts

For a US home, start with the 1991 deed or county property record if one exists. FHFA can provide a broad historical house-price index, but an index result is not a property-specific appraisal and may differ substantially from your home's actual 1991 market value.

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Looking for the historical figure? Start with the county property records for the home's address and parcel number.

View FHFA house-price datasets

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First decide what “price in 1991” means

There are two different questions: what the home actually sold for in 1991, and what it would have been worth in 1991 if it was not sold. A deed or transfer record can establish an actual transaction price. A retrospective market value is an appraisal or estimate and can differ from the eventual sale price.

Use county records for an actual sale

For a property-specific answer, the best starting point is the county where the property sits. Search the assessor, recorder, clerk, register of deeds or equivalent property-record office. Many jurisdictions let you search by street address or parcel number; some require an in-person records request or a fee for older documents.

A deed may show the consideration or transfer amount, but not every transfer is a normal market sale. Transfers between related parties, gifts, refinancing, quitclaim deeds and other non-market transactions can appear in the chain of title.

Look for old evidence if there was no 1991 sale

If the property was owned throughout the period, look for the 1991 appraisal, mortgage closing file, purchase documents, tax assessment history, insurance records or a contemporaneous property valuation. An old loan file can sometimes contain a valuation that is much closer to the question than a modern online estimate.

Original 1991 purchase or refinance documents
County assessment history
Old appraisal or lender valuation
Closing disclosure or settlement statement
Estate, divorce or insurance records that recorded a contemporaneous value

FHFA is useful for a national or regional estimate

The Federal Housing Finance Agency's House Price Index contains historical indexes extending back to the 1970s. Its purchase-only series includes the United States and regions from January 1991 onward. That makes FHFA useful for translating an old value into a rough market-price context, but an index is not a valuation for one particular house.

A home can move very differently from the national index because of location, condition, additions, school district, land, local demand and the exact month of the transaction.

1991 data has limits

Census historical housing datasets can help you understand what homes were worth and what households could afford around 1991. They are national or metropolitan statistical sources, not a replacement for parcel-level records. Census also notes that a home value in its survey is an estimate of what the property would sell for if it were offered for sale.

Use a present-day appraiser for an estate or legal issue

If the value is needed for tax, probate, divorce, capital-gains basis, litigation or another legal purpose, do not rely on a national index alone. The relevant date, valuation standard and acceptable evidence can depend on the purpose. A qualified appraiser can use comparable sales and historical market evidence to reconstruct a defensible value.

The best evidence is usually the property record

If the house was sold around 1991, the strongest starting point is the recorded transaction. County recorder, assessor or property-tax files may show a deed date, consideration or assessed information, depending on the jurisdiction. Historical records can be incomplete, digitised differently or subject to local access rules, so confirm what the number actually represents before using it as a market-value figure.

A sale price, assessed value and appraised value are not interchangeable. A tax assessment may have been calculated under a local tax system and can differ from a market transaction. A historical appraisal can be stronger evidence where it was prepared for lending or another valuation purpose, but the appraisal itself may no longer be available.

Why a national index is only a cross-check

FHFA's house-price indexes are useful for showing broad changes in US home prices over time. They do not know your home's renovations, lot size, school district, condition or exact neighbourhood market. That is why an index can be useful for context without proving what a particular property was worth on a specific date. For tax, estate or legal work, keep documentary evidence and obtain a professional historical valuation where the number matters materially.

Square footage and survey records are separate questions

Historical price research should not be mixed up with locating physical property information. County assessor records may give a reported living area, while a survey or plat can establish boundaries. Neither should automatically be treated as proof of current market value. Match each question to the document that actually answers it.

Worked example

Illustrative example. Assume a county deed shows that the home actually sold for $100,000 in 1991. FHFA's purchase-only index reports a 335.69% increase from 1991 to 2026 Q2. A simple index exercise is $100,000 × (1 + 3.3569) = $435,690. That number is useful as a broad national price-level illustration only. It is not the likely selling price of the individual home in 2026 because local markets can move much faster or slower than the national index. To build a defensible historical estimate, keep the deed, property characteristics and any local comparable-sales or appraisal evidence together, and describe the result as an estimate rather than as a guaranteed value.' That distinction matters when a historical figure may be used in a tax, legal or estate decision.

Where can I find my house value from 1991?#

Start with the county assessor or recorder using the property address or parcel number. If there was a 1991 sale, the deed or transfer record may show the transaction amount. If not, look for an old appraisal, mortgage file or tax record from that period.

How do I find the original sale price of my home?#

Check the recorded deed and the county property-history database first. If the online record does not go back far enough, ask the recorder or assessor for archived records. A title company, old closing file or lender file may also contain the purchase price.

Can Zillow tell me what my house was worth in 1991?#

A modern property website may show historical transactions where data is available, but it is not the best authority for an old legal or tax valuation. For a 1991 figure, use recorded county documents or a historical appraisal, then use market indexes only as context.

Can I use FHFA to calculate my home’s 1991 value?#

FHFA is an index of changes in house prices, not a property-level appraisal. It can help translate a known old price into a rough national or regional comparison, but it cannot tell you what a specific home should have sold for in a particular neighborhood.

What if my home was never sold in 1991?#

Then there may be no actual 1991 “sale price.” You are looking for an estimated fair market value. An old appraisal, lender valuation, assessment record or a retrospective appraisal based on comparable sales can answer that more credibly than a national average.

Do county records show what a house was really worth?#

A recorded sale price shows what a transaction reported, which is useful but not automatically the same as fair market value. Related-party sales, gifts and unusual transfers can distort the number. For a legal valuation, the purpose and quality of the transaction evidence matter.

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Sources

Figures were checked against these sources before publication. If a rule changes, we update the page and show the new date.

General information, not personal financial advice. Rules depend on your circumstances; check the official source or speak to a regulated adviser before acting.