What Can Affect Your Home Appraisal? A Guide for Buyers and Sellers

Last updated August 2026 by Jeremy Rosenthal, The Capital Region Team at Long & Foster Real Estate


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Direct Answer: Whether you’re purchasing a home or preparing to sell one, the home appraisal is often one of the most important steps in the transaction. Buyers may wonder why it’s required, while sellers often ask what they can do to prepare. Understanding what appraisers evaluate—and what...

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What This Guide Covers

Whether you’re purchasing a home or preparing to sell one, the home appraisal is often one of the most important steps in the transaction. Buyers may wonder why it’s required, while sellers often ask what they can do to prepare.

Understanding what appraisers evaluate—and what they don’t—can help both buyers and sellers approach the appraisal process with realistic expectations.

If you’re buying or selling in Maryland, Northern Virginia, or Washington, DC, knowing how appraisals fit into the overall transaction can help you feel more prepared.

Jeremy Rosenthal, REALTOR®, helps buyers and sellers throughout the DMV navigate every stage of the real estate process, including inspections, appraisals, negotiations, and closing.

What Is a Home Appraisal?

A home appraisal is an independent opinion of a property’s market value conducted by a licensed appraiser.

In many financed transactions, lenders require an appraisal to help determine whether the property’s value supports the loan amount.

The appraisal is different from a home inspection.

  • An appraisal focuses on estimating market value.
  • A home inspection evaluates the home’s physical condition.

Although both are important, they serve different purposes.

What Factors Can Influence an Appraisal?

Appraisers evaluate many aspects of a property.

Some commonly considered factors include:

  • Square footage
  • Number of bedrooms and bathrooms
  • Overall condition
  • Age of the home
  • Permanent improvements
  • Functional layout
  • Lot size
  • Location
  • Recent comparable sales
  • Current market conditions

No single factor determines the appraised value. Instead, appraisers consider the property as a whole while comparing it to similar homes that have recently sold.

The Importance of Comparable Sales

One of the primary tools appraisers use is comparable sales, often called “comps.”

Comparable properties generally share similar characteristics, including:

  • Location
  • Home size
  • Age
  • Features
  • Style
  • Condition

Recent market activity helps appraisers understand how similar homes have been valued in the current market.

Can Home Improvements Affect an Appraisal?

Some improvements may contribute to a home’s overall value, especially when they are permanent and well-maintained.

Examples include:

  • Kitchen renovations
  • Bathroom updates
  • Roof replacement
  • HVAC replacement
  • Energy-efficient improvements
  • Finished basements
  • Room additions

However, not every improvement results in the same impact, and market demand also plays a role.

Tips for Sellers Before the Appraisal

While sellers cannot influence market conditions, they can prepare the property for the appraiser’s visit.

Helpful steps include:

  • Ensure the home is clean and accessible.
  • Complete small maintenance items if needed.
  • Replace burned-out light bulbs.
  • Organize documentation for major improvements.
  • Make sure all rooms are easily accessible.

Providing a well-maintained property allows the appraiser to complete a thorough evaluation.

What Happens if the Appraisal Is Different Than Expected?

Sometimes the appraised value may differ from the contract price.

If that happens, the next steps depend on the terms of the purchase agreement, lender requirements, and discussions between the parties involved.

Your REALTOR® can help explain the available options based on your specific transaction.

Frequently Asked Questions

Is the appraisal the same as a home inspection?

No. An appraisal estimates market value, while a home inspection evaluates the property’s physical condition.

Who orders the appraisal?

In many financed transactions, the buyer’s lender coordinates the appraisal as part of the mortgage process.

Can sellers attend the appraisal?

Procedures vary depending on the property and transaction. Your REALTOR® can explain what is typical for your situation.

Key Takeaways

When preparing for a home appraisal:

  • Understand the purpose of the appraisal.
  • Recognize the role of comparable sales.
  • Keep the property clean and accessible.
  • Maintain records of significant improvements.
  • Work with experienced real estate professionals throughout the transaction.

Knowing what to expect can help buyers and sellers approach the appraisal process with greater confidence.

Work With Jeremy Rosenthal

Whether you’re buying your first home in Arlington, selling a property in Bethesda, or relocating anywhere throughout Maryland, Virginia, or Washington, DC, Jeremy Rosenthal provides experienced guidance through every stage of the transaction. From pricing strategy and appraisals to negotiations and closing, Jeremy is committed to helping clients make informed real estate decisions.

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Work With Jeremy Rosenthal

Jeremy Rosenthal is a REALTOR® serving buyers and sellers across Maryland (Rockville, Bethesda, Potomac), Northern Virginia (Arlington, Alexandria, McLean), and Washington, DC.

Contact Jeremy (301-461-5630)