IRS Step-Up Basis Appraisals: What to Do When You Inherit a Home

Inheriting a home can be emotional, confusing, and overwhelming. Most people are grieving, trying to locate documents, talking with family members, and suddenly being asked questions they have never had to answer before.

One of the most important questions is:

“What was the home worth when the owner passed away?”

That value may matter for tax purposes, estate settlement, family decision-making, probate, and the future sale of the property. This is where an IRS step-up basis appraisal, also called a date-of-death appraisal, becomes important.

This article explains what a step-up basis appraisal is, why it matters, when it is needed, what the appraiser does, what information you should gather, and what to expect during the process.

What Is Step-Up Basis?

When someone inherits real estate, the tax basis of the property is often adjusted to the property’s fair market value as of the date of the owner’s death. This adjustment is commonly called a step-up in basis.

In plain English, that means the IRS generally does not use what the deceased owner originally paid for the home. Instead, the inherited property’s basis is usually reset to what the property was worth on the date of death.

For example:

A parent bought a home many years ago for $90,000.At the time of death, the home was worth $425,000.The heirs later sell the home for $440,000.

Without step-up basis, the taxable gain could appear much larger because the original purchase price was so low. With step-up basis, the starting point may be the date-of-death value of $425,000, not the original $90,000 purchase price.

That difference can matter significantly.

Why a Step-Up Basis Appraisal Matters

A step-up basis appraisal helps establish a documented, supportable opinion of the home’s fair market value as of a specific historical date.

This can be important when:

• The inherited home may be sold.

• Multiple heirs are involved.

• The estate is being settled.

• A CPA or attorney needs a reliable value.

• The property has appreciated over many years.

• The home was owned for decades.

• The family does not know the original purchase price.

• The property needs to be divided, bought out, rented, or transferred.

• The IRS later asks how the value was determined.

  
  

A properly prepared appraisal creates a written record of the value conclusion and the market data supporting that conclusion.

What Is a Date-of-Death Appraisal?

A date-of-death appraisal is a real estate appraisal with an effective date that matches the owner’s date of death.

The appraiser is not simply valuing the home as of today. The appraiser is looking backward and answering this question:

What was the fair market value of this property on the date the owner passed away?

This is called a retrospective appraisal because the value date is in the past.

The appraisal may be completed weeks, months, or even years after the date of death, but the valuation analysis focuses on the real estate market as it existed at that earlier date.

What Does Fair Market Value Mean?

Fair market value generally means the price a property would likely sell for in an open and competitive market, assuming both buyer and seller are informed, willing, and not under undue pressure.

For an inherited home, the appraiser considers what typical buyers would have paid for the property as of the date of death.

The appraisal is not based on:

• What the family hopes the home is worth.

• What the tax assessor says.

• What Zillow or another online estimate says.

• What the home sells for months later without adjustment.

• What one family member thinks is fair.

• What the deceased owner originally paid.

• What is needed to pay debts or divide the estate.

  
  

The appraisal must be based on market evidence.

When Do You Need a Step-Up Basis Appraisal?

You should strongly consider a step-up basis appraisal when a home is inherited and there is any chance the property will be sold, transferred, divided among heirs, or reported for estate or tax purposes.

Common situations include:

1. The Family Plans to Sell the Home

If the inherited property will be sold, the date-of-death value may be needed to determine whether there is a capital gain or loss.

The sale price alone is not enough. The family needs a reliable basis figure to compare against the eventual sale price.

2. One Heir Wants to Buy Out Another Heir

If siblings or beneficiaries inherit a home together and one person wants to keep it, an appraisal can help establish a fair value for the buyout.

This can reduce conflict and provide a neutral, professional opinion.

3. The Estate Attorney or CPA Requests a Value

Attorneys and tax professionals often need a credible value for estate administration, tax filing, or planning purposes.

A formal appraisal gives them a supportable document to place in the file.

4. The Property Has Appreciated Significantly

If the home was purchased many years ago, the difference between the original purchase price and the current value may be substantial.

In those cases, documenting the step-up basis can be especially important.

5. The Property Is Unique or Hard to Value

Some homes are not simple subdivision properties. A professional appraisal is especially important when the property includes:

• Acreage

• Waterfront

• Older improvements

• Deferred maintenance

• Additions

• Guest quarters

• Outbuildings

• Manufactured or modular housing

• Mixed-use characteristics

• Large site value

• Renovation potential

• Tear-down or redevelopment potential

  
  

Online estimates are often unreliable for properties with unusual features.

6. The Date of Death Was in a Different Market Cycle

Real estate markets move. Interest rates, inventory, buyer demand, and prices can change quickly.

A home valued today may not have had the same value six months, one year, or three years ago. A retrospective appraisal looks at the correct market window.

Where Is the Appraisal Used?

A step-up basis appraisal may be used by:

• The heirs or beneficiaries

• The executor or personal representative

• The estate attorney

• The CPA or tax preparer

• The probate court, if needed

• The IRS, if the value is ever questioned

• Family members negotiating a buyout

• Trustees handling inherited property

  
  

The appraisal becomes part of the estate’s support file. Even if it is never submitted directly to the IRS, it may be very important if questions arise later.

Who Should Order the Appraisal?

The appraisal is usually ordered by one of the following:

• The executor

• The personal representative

• The trustee

• An heir or beneficiary

• The estate attorney

• The CPA

• A family member authorized to act on behalf of the estate

  
  

If multiple family members are involved, it is best to be clear about who is authorized to order the appraisal and who will be listed as the client or intended user.

The appraiser must know who the appraisal is for and how it will be used. This is not just paperwork. It affects the assignment conditions and the language in the report.

What Date Should Be Used?

The most common valuation date is the date of death.

In some estate situations, an alternate valuation date may apply. This is generally six months after the date of death and is typically a tax-related decision made by the estate’s representative with guidance from a qualified tax professional.

Do not guess which date applies.

Before ordering the appraisal, ask your CPA or estate attorney whether the appraisal should use:

• The date of death

• An alternate valuation date

• Another specific date required for the estate or legal matter

  
  

Most residential step-up basis appraisals use the date of death, but the appraiser should be told the exact effective date needed.

What Does the Appraiser Actually Do?

A qualified residential appraiser researches the property, studies the market, reviews comparable sales, and develops an opinion of fair market value as of the required date.

The process typically includes:

1. Identifying the Property

The appraiser verifies the property address, legal description when available, parcel information, site size, property type, zoning, ownership records, and relevant public data.

2. Understanding the Property Condition

The appraiser needs to understand the condition of the home as of the effective date.

This can include:

• Current inspection observations

• Photos

• Public records

• MLS history

• Prior listing photos

• Family-provided information

• Renovation history

• Known repairs or deferred maintenance

• Permitted additions

• Damage or condition issues

• Whether the home was occupied, vacant, rented, or in need of repair

  
  

The appraiser is not valuing the home as if it were brand new unless that reflects its actual condition. Condition matters.

3. Researching the Market as of the Date of Death

The appraiser reviews market data that would have been relevant on or near the date of death.

This may include:

• Comparable closed sales

• Pending and active listings from that time period, if available

• Market trends

• Supply and demand

• Neighborhood conditions

• Buyer behavior

• Property characteristics

• Location influences

• Renovation or redevelopment trends

  
  

The appraiser must analyze the market that existed at the correct time, not simply rely on today’s market.

4. Selecting Comparable Sales

Comparable sales are homes that would have competed with the subject property in the market.

The appraiser looks for sales that are similar in:

• Location

• Property type

• Site size

• Gross living area

• Age

• Quality

• Condition

• Bedroom and bathroom count

• Garage or carport

• Pool

• Waterfront or view features

• Renovations

• Functional utility

• Overall market appeal

  
  

No two homes are exactly alike, so adjustments may be needed.

5. Making Market-Supported Adjustments

If a comparable sale is superior or inferior to the inherited property, the appraiser may make adjustments.

Adjustments may be considered for:

• Market conditions

• Location

• Site size

• View

• Living area

• Condition

• Quality

• Pool

• Garage

• Renovations

• Bathrooms

• Functional issues

• External influences

• Outbuildings or special features

  
  

The goal is to estimate what each comparable sale suggests about the value of the inherited home as of the effective date.

6. Reconciling the Value

After analyzing the data, the appraiser reconciles the evidence and develops a final opinion of value.

This is not simply an average of the sales. The appraiser considers which sales are most comparable, which required the fewest or most reliable adjustments, and which best reflect how buyers would have viewed the property.

7. Writing the Report

The final appraisal report explains the property, the market, the comparable sales, the adjustments, and the final value conclusion.

For IRS step-up basis purposes, the report should be clear, well-supported, professional, and understandable to the client, attorney, CPA, and any future reviewer.

What Information Should You Give the Appraiser?

You do not need to have everything perfectly organized before calling an appraiser.

However, the more accurate information you can provide, the better.

Helpful items include:

• Owner’s date of death

• Property address

• Name of the deceased owner

• Name of executor, trustee, or personal representative

• Contact information for access

• Copy of the deed, if available

• Any probate or estate attorney contact information

• CPA contact information, if applicable

• Known repairs or updates

• Approximate dates of renovations

• Any known defects or deferred maintenance

• Whether the property was occupied, vacant, rented, or listed

• Photos from around the date of death, if available

• Prior MLS listing information, if available

• Survey, floor plan, or sketch, if available

• Information about additions or converted areas

• Any recent inspections

• Any known roof, plumbing, electrical, HVAC, or structural issues

• Whether the home was sold after death

• Closing statement, if already sold

  
  

Do not worry if you do not have everything. A good appraiser knows how to research public records, MLS data, and market activity. But family-provided information can help clarify condition and history.

Does the Appraiser Need to Inspect the Home?

Often, yes.

Even though the value date is in the past, a current inspection can help the appraiser understand the property’s layout, size, quality, condition, site, location, and features.

However, the appraiser must be careful. If the home has changed since the date of death, those changes must be considered appropriately.

For example:

• If the family renovated the kitchen after death, the appraiser should not value the home as if that kitchen existed on the date of death.

• If the home deteriorated after death, the appraiser must consider whether that deterioration existed on the date of death.

• If the home was cleaned out, painted, repaired, or damaged after death, the appraiser needs to know.

  
  

The appraiser is trying to understand what existed as of the effective date.

What If the Home Has Already Been Sold?

A step-up basis appraisal can still be completed after the sale.

The appraiser may review the sale, but the sale price is not automatically the date-of-death value. Timing matters.

For example:

• A home sold two weeks after death may be strong evidence, depending on exposure and circumstances.

• A home sold nine months later may reflect a different market.

• A home sold after major repairs may not represent its prior condition.

• A below-market family sale may not reflect fair market value.

• A quick sale under pressure may need careful review.

  
  

The sale may be relevant, but it must be analyzed in context.

What If the Property Was in Poor Condition?

Condition is one of the most important issues in estate appraisals.

Many inherited homes are older and may have deferred maintenance. Some have been occupied by the same owner for decades. Others may be vacant, cluttered, partially updated, or in original condition.

The appraiser should not ignore condition, and the family should not try to hide it.

Condition can affect value through:

• Buyer appeal

• Financing eligibility

• Repair costs

• Marketability

• Days on market

• Investor interest

• Renovation risk

• Functional utility

  
  

A well-supported appraisal should reflect how buyers would have reacted to the property’s actual condition as of the valuation date.

What If the Home Was Updated After the Owner Passed Away?

Tell the appraiser.

This is very important.

If improvements were made after the date of death, the appraiser needs to know what changed and when.

Post-death improvements may include:

• New roof

• Interior paint

• Flooring

• Kitchen updates

• Bathroom updates

• HVAC replacement

• Landscaping

• Repairs

• Clean-out

• Staging

• Structural repairs

  
  

The appraiser may need to value the home based on its prior condition, not its improved condition.

Receipts, photos, contractor estimates, and family notes can help.

What If Family Members Disagree About the Value?

This is common.

One heir may think the home is worth much more. Another may want a lower value for tax reasons. Another may want to buy the property. Another may distrust online estimates or tax assessments.

A professional appraisal provides an independent opinion based on market data.

The appraiser’s role is not to advocate for one family member. The appraiser’s role is to provide a credible, impartial value opinion.

This can help reduce conflict because the conclusion is not based on emotion, pressure, or family negotiation.

Is the County Property Appraiser’s Value Enough?

Usually, no.

The county property appraiser’s assessed value is prepared for property tax purposes. It may not reflect fair market value as of the date of death.

Assessed values can be affected by exemptions, assessment caps, mass appraisal methods, and statutory requirements. They are not the same as an individual IRS step-up basis appraisal.

For tax basis and estate planning purposes, a formal appraisal is often more appropriate and more defensible.

Are Online Estimates Enough?

Online estimates can be useful for casual curiosity, but they are not a substitute for a professional appraisal.

Online valuation tools may not know:

• The actual condition of the home

• Interior updates

• Deferred maintenance

• Additions

• Functional issues

• Local buyer behavior

• Waterfront or site influences

• Quality differences

• Permitting issues

• Whether comparable sales were truly comparable

• The correct historical market conditions as of the date of death

  
  

For inherited property, especially when tax consequences may be involved, a documented appraisal is far more reliable.

What Makes an IRS Step-Up Basis Appraisal Different From a Regular Appraisal?

A step-up basis appraisal is different because the effective date is usually historical.

A regular appraisal for a purchase or refinance usually values the property as of the current date. A step-up basis appraisal values the property as of the date of death or other required estate valuation date.

This requires the appraiser to research the market from that time period and carefully consider what was known or knowable as of that date.

The report should be prepared with the intended use in mind: estate, tax, probate, or basis documentation.

How Long Does the Process Take?

Timing depends on the property complexity, availability of data, access to the home, and how far back the effective date is.

A simple subdivision home with good comparable sales may be more straightforward. A rural property, waterfront home, acreage property, estate home, or heavily renovated property may take more research.

The process generally includes:

1. Initial call or email

2. Confirming the purpose and effective date

3. Scheduling the inspection, if needed

4. Researching property and market data

5. Reviewing comparable sales

6. Developing the valuation analysis

7. Writing and delivering the appraisal report

   
   

If the appraisal is needed for a CPA, attorney, probate deadline, or pending sale, communicate that deadline early.

How Much Does a Step-Up Basis Appraisal Cost?

The fee depends on the complexity of the property and assignment.

Factors that can affect the fee include:

• Property type

• Location

• Size

• Acreage

• Waterfront or special features

• Condition issues

• Availability of comparable sales

• How far back the effective date is

• Whether the property has sold since the date of death

• Whether additional research or narrative explanation is required

• Whether the report is needed for legal, estate, or tax support

  
  

A credible appraisal should not be chosen based only on the lowest fee. The report may be used for important tax and estate decisions, so quality matters.

What Should a Good Step-Up Basis Appraisal Report Include?

A strong report should include:

• Identification of the property

• Intended use and intended user

• Effective date of value

• Date of inspection, if applicable

• Property rights appraised

• Definition of value

• Scope of work

• Neighborhood and market discussion

• Site description

• Improvement description

• Condition discussion

• Highest and best use analysis, when applicable

• Comparable sales analysis

• Market-supported adjustments

• Reconciliation of value

• Clear final opinion of value

• Certification and appraiser qualifications

  
  

The report should be understandable, professional, and supported by evidence.

Common Mistakes Families Make

Waiting Too Long

A retrospective appraisal can often be completed later, but waiting can make it harder to verify condition, access old photos, or understand what changed.

Relying Only on the Sale Price

The eventual sale price may be useful, but it may not equal the date-of-death value, especially if the market changed or repairs were made.

Using the Tax Assessed Value

Assessed value is not the same as fair market value for step-up basis purposes.

Forgetting About Condition

Condition as of the date of death matters. Updates, damage, or repairs after death must be disclosed.

Not Coordinating With the CPA or Attorney

The appraiser needs to know the correct effective date and intended use. Your CPA or attorney can help confirm what is needed.

Assuming All Appraisals Are the Same

A step-up basis appraisal requires retrospective market analysis and proper reporting language. It should be prepared by someone familiar with estate-related valuation work.

What Questions Should You Ask Before Hiring an Appraiser?

Before ordering the appraisal, ask:

• Do you complete date-of-death or step-up basis appraisals?

• Are you familiar with retrospective valuation assignments?

• Have you worked with inherited residential properties?

• What information do you need from me?

• Will the report identify the correct effective date?

• Can the report be used by my CPA or attorney?

• How do you handle post-death repairs or renovations?

• How do you research historical comparable sales?

• What is your typical turnaround time?

• What is your fee?

  
  

The right appraiser should be able to explain the process clearly.

Why Local Market Knowledge Matters

Real estate is local. This is especially true for estate appraisals.

Two homes in the same city can have very different market appeal based on neighborhood, school district, lot size, age, condition, view, renovations, traffic influence, zoning, or redevelopment potential.

A local residential appraiser understands how buyers in the area react to specific property features. That local knowledge can make the appraisal more accurate and more defensible.

For inherited homes in Central Florida, market differences can be significant from one neighborhood to the next. A property in Oviedo, Winter Park, Lake Mary, Sanford, Orlando, Longwood, or surrounding areas may require very different comparable sales, adjustments, and market interpretation.

What Happens After You Receive the Appraisal?

After the appraisal is complete, keep a copy with the estate records.

You may need to provide it to:

• Your CPA

• Your estate attorney

• The executor or trustee

• Other heirs

• A financial advisor

• A buyer-out heir

• Your tax preparer when the property sells

• 
  

The appraisal may help establish the property’s basis and support future tax reporting.

Is This the Same as Probate Value?

Sometimes the same appraisal can assist with probate, estate settlement, and tax basis documentation, but not always.

The purpose of the appraisal should be clear from the beginning. Probate, estate tax, family buyout, trust administration, and step-up basis may overlap, but they are not always identical assignments.

Tell the appraiser exactly why the appraisal is needed and who will rely on it.

Do You Need a Step-Up Basis Appraisal If You Are Keeping the Home?

Possibly, yes.

Even if you do not plan to sell the home right away, documenting the date-of-death value may still be helpful.

Years later, if you decide to sell, it may be harder to reconstruct the value from the date of death. Market data may be less accessible, photos may be gone, family members may not remember condition details, and records may be harder to locate.

Getting the appraisal early can protect your records.

Final Thoughts

Inheriting a home is not just a real estate event. It is often a family, financial, legal, and emotional event all at once.

A step-up basis appraisal helps bring clarity to one important question:

What was this property worth when the owner passed away?

That answer can help families make informed decisions, support tax reporting, reduce disputes, and create a reliable record for the future.

If you have inherited a home and are unsure what to do next, start by speaking with your CPA or estate attorney. Then contact a qualified residential appraiser who understands IRS step-up basis, date-of-death valuation, and your local market.

A well-supported appraisal can give you the documentation you need during a difficult and unfamiliar process.

Important Note

This article is for general informational purposes only and is not tax, legal, or accounting advice. Always consult your CPA, estate attorney, or qualified tax professional about your specific situation.