Home Values

How do I estimate my home's value before refinancing?

By Bob Millaway July 26, 2026

Short Answer

Before refinancing, estimate your home's value using online valuation tools, a comparative market analysis from a real estate agent, or by reviewing recent comparable sales in your neighborhood. The lender will order a formal appraisal, but getting an early estimate helps you determine whether you have enough equity to qualify and whether refinancing makes financial sense. Most lenders require at least 20% equity for a conventional refinance.

Refinancing requires a formal appraisal, but you can get a good estimate beforehand to avoid wasting time and application fees if you do not have enough equity. Start with online valuation tools from Zillow, Redfin, or the county tax assessor's office. These are free and give you a rough range. For a more accurate estimate, ask a local real estate agent for a comparative market analysis. An agent who knows your neighborhood can provide a detailed analysis of recent comparable sales and give you a realistic value range. The lender's appraisal will determine the official value for refinancing purposes. If the appraisal comes in lower than you expected, you may need to bring cash to closing to maintain the required loan-to-value ratio. Most conventional refinances require at least 20% equity, meaning your loan can be no more than 80% of your home's appraised value. FHA streamline and VA IRRRL refinances may have different requirements. Getting an early estimate helps you decide if refinancing is worth pursuing.

Bob Millaway

Bob's Advice

Redfin Senior Agent · AI Certified Agent

I help homeowners in South Jersey with home valuations for refinancing all the time. A quick CMA from me can give you a solid estimate of what your home is worth before you apply for a refi. That way, you go into the process knowing whether you have enough equity. The refinance application fees can add up, so getting a valuation first is a smart move. Let me prepare a free, no-obligation estimate for you.

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