What a house valuation is and why you might need one

A house valuation is an estimate of what your home is worth in the current market. It is not the same as an appraisal (which a lender orders and pays for) or a tax assessment (which your county uses to calculate property taxes). A valuation is simply a professional or data-based opinion of your home's current value.

You might want a valuation to understand what you could sell for, to refinance a mortgage, to settle a divorce, to make insurance decisions, or simply to know whether your neighborhood values are rising or falling. The method you choose depends on why you need it and how much detail matters for your situation.

Key Takeaways

  • A real estate agent's comparative market analysis (CMA) is free and based on actual sales of similar homes in your area, making it useful for sellers.
  • Online valuation tools like Zillow or Redfin give you an instant estimate but are less accurate than professional methods, especially for unusual homes.
  • A professional appraisal ordered through a lender costs $300 to $500 and is required for mortgages, but you can also order one independently.
  • A full appraisal by a licensed appraiser is the most detailed option and is the standard that lenders and courts accept.
  • The method you choose should match your purpose — a free CMA works for general knowledge, but a formal appraisal is necessary for legal or lending decisions.

Getting a free valuation from a real estate agent

A real estate agent will prepare a comparative market analysis (CMA) at no cost. This is a report showing what homes similar to yours have sold for recently in your neighborhood. Agents use this to help sellers price their homes, but you can request one even if you are not planning to sell.

To get a CMA, contact two or three agents in your area and ask for a market analysis. They will visit your home (or ask questions about it), look at recent sales of comparable properties, and give you a written estimate. The report typically includes photos of similar homes, their sale prices, how long they were on the market, and notes on what makes your home different.

The advantage is that it is free and based on real transactions. The disadvantage is that agents have a financial incentive to estimate high (to convince you to list with them), and the analysis is only as good as the agent's knowledge of your specific neighborhood. If you get three CMAs, you will likely see a range rather than one number.

Using online valuation tools for a quick estimate

Websites like Zillow, Redfin, Realtor.com, and Trulia offer instant home value estimates. You enter your address, and the tool pulls public records, recent sales data, and property characteristics to generate a number. These estimates are free and take minutes.

Online tools work reasonably well for typical homes in active markets where there are many recent comparable sales. They are much less reliable for unusual properties, new construction, homes with major renovations, or homes in rural areas where sales data is sparse. The tools also cannot see inside your home, so they miss details like condition, updates, or layout changes.

These estimates are useful for getting a ballpark figure or tracking whether your neighborhood is appreciating, but most lenders and courts will not accept them as proof of value. Think of them as a starting point, not a final answer.

Ordering a professional appraisal

A professional appraisal is performed by a licensed appraiser who inspects your home in person, measures it, photographs it, and compares it to recent sales of similar homes. The appraiser produces a detailed written report that includes the home's condition, any defects, recent upgrades, and the reasoning behind the final value estimate.

If you are refinancing a mortgage or taking out a home equity loan, your lender will order and pay for an appraisal. You typically cannot choose the appraiser, but you can request one independently if you want a second opinion or need a valuation for a non-lending reason.

To order an appraisal on your own, contact appraisers in your area directly or use services like AppraisalPort or ValuationTree that connect you with licensed appraisers. Cost ranges from $300 to $500 depending on your home's size, location, and complexity. The appraisal usually takes one to two weeks from order to final report.

When you need a formal appraisal versus other methods

Use a professional appraisal if you are refinancing, applying for a home equity loan, settling an estate or divorce, or need a valuation for legal purposes. Lenders require an appraisal before they will lend, and courts typically accept appraisals as credible evidence of value.

Use a CMA if you are thinking about selling and want to understand your local market, or if you want a second opinion on an online estimate. Use online tools if you simply want to know your home's approximate value for personal knowledge or to track neighborhood trends over time.

If you are in a dispute over value (insurance claim, property tax appeal, divorce settlement), a formal appraisal by a licensed appraiser is the standard that holds up. Do not rely on online estimates or agent opinions in these situations.

What affects how accurate a valuation will be

The accuracy of any valuation depends on how much recent sales data exists for comparable homes. In a busy suburban neighborhood with many similar homes selling regularly, valuations are usually within 5 to 10 percent of actual sale price. In rural areas, small towns, or neighborhoods with few recent sales, the margin of error is much wider.

Unique features also affect accuracy. If your home has unusual architecture, sits on an unusually large lot, or has been heavily customized, appraisers and online tools have fewer direct comparables to work from. In these cases, a professional appraisal is more reliable than an online estimate because the appraiser can explain how they adjusted for differences.

The condition of your home matters too. Online tools cannot see deferred maintenance, foundation problems, or recent upgrades. An appraiser will note these, which can shift the value significantly in either direction.

Understanding the difference between valuation, appraisal, and assessment

These three terms are often confused. A valuation is a general estimate of what your home is worth — it can come from an agent, an online tool, or an appraiser. An appraisal is a formal, detailed valuation performed by a licensed professional and documented in a written report. An assessment is a value assigned by your county or municipality for property tax purposes, and it is often lower than market value.

For most purposes, "valuation" and "appraisal" are used interchangeably, but when a lender or court asks for an appraisal, they mean the formal licensed version, not an online estimate or agent opinion. Your property tax assessment is separate and does not determine your home's market value.

Frequently Asked Questions

How much does a house valuation cost?

A CMA from a real estate agent is free. Online estimates are free. A professional appraisal ordered independently costs $300 to $500. If your lender orders an appraisal for a mortgage or refinance, they pay for it, though the cost may be rolled into your loan.

Can I use an online valuation for a mortgage refinance?

No. Lenders require a formal appraisal by a licensed appraiser. Online estimates are not accepted because they are not verified by a professional inspection. Your lender will order the appraisal for you.

How long does it take to get a house valuation?

An online estimate is instant. A CMA from an agent takes a few days to a week. A professional appraisal takes one to two weeks from the time you order it to when you receive the final report.

What if my home's online valuation seems too low?

Online tools can undervalue homes with recent upgrades, unusual features, or homes in areas with few recent sales. Get a CMA from a local agent or order a professional appraisal to see a more detailed analysis. The agent or appraiser can explain what comparables were used and why your home might differ.

Do I need a valuation to sell my house?

You do not need a formal appraisal to sell, but a CMA from your real estate agent is standard practice. It helps you price your home competitively. If you are selling without an agent, online estimates and recent sales of similar homes in your neighborhood will give you a starting point.