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A home’s value will come into question when a homeowner wants to refinance their mortgage , tap into their equity, sell the house, or when they face capital gains taxes. All that to say — it’s useful to know how much your home is worth so you can be better prepared to handle your next real estate transaction.
Why is your home value important?
A home is one of the most valuable assets for many U.S. households. Knowing just how much it’s worth can influence major financial decisions like:
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Is now the time to sell?
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Do I have enough equity for a cash-out refinance, HELOC, or home equity loan?
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Does my homeowners insurance cover enough of my property’s full value?
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Can I ditch private mortgage insurance ?
While knowing your home’s value is critical, calculating it isn’t always straightforward — and the number doesn’t stay the same.
MORE: See our list of the best HELOC lenders.
Factors that determine your home’s value
Several factors can impact your property’s value. Here are some of the most influential.
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Location: Home prices depend on the state , city, and even neighborhood of the property. Neighborhoods with good schools, low crime, and access to attractions — such as parks, shopping, and entertainment — tend to have higher property values.
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Age and condition:Newer homes can appraise higher than those with significant wear and tear, as they’re less likely to need costly repairs.
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Size and layout:Additional living spaces, such as bedrooms, bathrooms, and finished basements, can increase a home’s value.
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Features and upgrades:Modern updates to appliances, fixtures, and finishes can increase a property’s value.
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Comparable home sales :Appraisers use the recent sales of similar houses in the neighborhood as a benchmark for your home’s value.
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Market conditions:High demand or a tight housing supply can drive home prices up.
Learn how to determine whether you're in a buyer's or seller's real estate market.
How to calculate the value of your home
You can estimate your home’s value in several ways, either on your own or with professional help.
1. Find comparable sales
If you’re interested in taking the DIY route rather than paying for an appraisal, you can estimate your home’s value by comparing it to similar homes that sold in the area (also called comps).
What you’ll need:
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Details about your home, such as square footage, number of bedrooms and bathrooms, lot size, and year built.
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A list of major renovations or updates you’ve made to the home since purchasing it and an idea of each upgrade’s added value.
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Information about three to four homes in your area, similar in size and condition, that sold recently. Search for these on websites like Refin and Zillow.
Use the data to create a range for your home’s value, adjusting the amount as necessary for any unique features or significant upgrades.
2. Use online valuation tools
Redfin, Zillow, and HomeLight are just a few real estate websites with free home value estimators that do a lot of the heavy lifting for you.
These automated valuation models (AVMs) typically use existing data, including details about your home, comparable properties, and local market trends, and apply an algorithm to arrive at a valuation. You simply enter your address.
Online valuations don’t account for your home's condition or recent renovations. The estimates can also vary widely since websites may use different datasets and algorithms.
3. Use the FHFA House Price Index calculator
The Federal Housing Finance Agency’s House Price Index (HPI) calculator uses over 50 years of repeat-sales data to track a home’s change in value over time. It uses your home’s average appreciation rate and that of others in the area to estimate a current value.
Like AVMs, the HPI can’t account for your home's condition, so it’s best used to find an estimate, not the actual value of your home.
4. Request a CMA
If you’re planning to sell your home , you can ask a real estate agent for a competitive market analysis (CMA).
Similar to what you can do on your own, the agent will look at your property’s details, comparable sales, active listings, market conditions, and other factors. However, in addition to public data, licensed agents can access the Multiple Listing Service (MLS) database, which is often more comprehensive and accurate.
CMAs are usually free if you’re already working with an agent to sell your home, as they can help inform the list price. For a CMA alone, you may have to pay a few hundred dollars.
5. Get a home appraisal
A home appraisal is often considered a more accurate estimate of your home’s value, because it’s intended to be an objective and standardized process.
An appraisal involves a licensed professional who thoroughly assesses the home’s interior and exterior, upgrades, and key features in person. Appraisers also conduct a market analysis, looking at recent sales of similar homes nearby, neighborhood desirability, and local housing trends.
Home appraisals are usually required by lenders if you’re buying, refinancing, or tapping into your home equity . They can cost upwards of $400 or $500.
Determining your home value: FAQs
How do you calculate the value of your house?
You can start with free online valuation tools from websites like Redfin, Realtor.com, or Zillow for a quick estimate. For more accurate numbers, especially if you’re selling, consider a competitive market analysis from a real estate agent . If you need your home’s value for a mortgage, refinance, or equity loan, you’ll likely need a professional home appraisal.
What is the most accurate home value estimator?
Online estimators can vary based on the datasets and algorithms used. However, they typically don’t account for the home's condition. A competitive market analysis (CMA) or a professional home appraisal will give you a more accurate home value estimate.
What property improvements result in the biggest boost to home value?
Generally, you can boost your home’s value by increasing functionality or living space, or reducing maintenance or long-term costs. Upgrades to the exterior, like replacing a garage door, entry door, or siding, can also be a hit, recouping over 100% of their cost, according to the 2025 Journal of Light Construction Cost vs. Value Report.
What can happen if your home’s value decreases?
If your home’s value decreases, you may have negative equity. This occurs when you owe the bank more than your residence is worth. If you decide to sell your house or refinance a mortgage, you may have to make up the difference.
Laura Grace Tarpley edited this article.
