Appraisal reports look like technical documents because they are—but you don't need a license to understand them. Whether you're buying a home, refinancing, or settling an estate, knowing how to read an appraisal report protects your interests and clarifies what your property is actually worth.
What's Inside an Appraisal Report
A residential appraisal report is a detailed document that includes your property's estimated market value, prepared by a licensed appraiser. It typically runs 10–30 pages and contains photographs, comparable sales data, property measurements, and the appraiser's final conclusion.
The report is divided into distinct sections. The front page shows the subject property address, the appraiser's license number, the client (usually your lender), and most importantly, the appraised value figure. This is the number that banks use to decide how much they'll lend you.
The Property Description Section
This is where accuracy matters. The appraiser documents the lot size, square footage, year built, number of bedrooms and bathrooms, and roof condition. Check these details against what you know about the home.
Look for red flags:
- Bedroom or bathroom count that doesn't match the listing
- Square footage that seems off by hundreds of square feet
- Structural concerns listed without explanation
- Condition ratings (good, fair, poor) that seem misaligned with what you've seen in person
If something is factually wrong—like listing three bedrooms when there are four—request a correction. Appraisers are human, and data entry errors happen. If the home has recent renovations or upgrades, the appraiser should have documented those.
Understanding Comparable Sales (Comps)
The comp section is the backbone of any appraisal value. Appraisers select 3–5 recently sold properties in your area that are similar to yours and adjust their prices based on differences.
For example, if your home is 2,500 square feet and sold for $500,000, but a comp sold for $450,000 with 2,300 square feet, the appraiser might add $4,000 to $5,000 per 100 sq ft to justify your home's higher value. The adjustments should be reasonable and transparent.
Check whether the comps are actually comparable:
- Located within your neighborhood or subdivision
- Sold within the last 3–6 months (older sales are less reliable)
- Similar in size, age, and condition to your property
- Not including distressed sales (foreclosures or short sales used for active purchases)
If the comps seem weak, your appraisal may be defensible in a renegotiation or appeal.
Condition and Deferred Maintenance
Appraisers rate condition on a scale: excellent, good, average, fair, or poor. They also note deferred maintenance—things that need repair or replacement soon.
Pay attention to any major systems listed:
- HVAC unit age and condition
- Roof age and remaining lifespan
- Foundation cracks or settling issues
- Plumbing or electrical updates
A 15-year-old furnace noted as "serviceable" is different from one noted as "poor condition—replacement recommended." The second observation directly impacts the appraised value and may concern lenders.
The Final Value Conclusion
At the end of the report, the appraiser states their final opinion of value using one of three approaches: the sales comparison approach (most common for residential), the cost approach, or the income approach. For a single-family home, the appraiser weights the sales comparison most heavily.
The final value appears as a single number—this is what matters to your lender and your purchase agreement.
What to Do If You Disagree
If the appraised value comes in lower than expected, you have options. First, review the report carefully. If you spot factual errors—wrong square footage, missing renovations, or poor comp selection—request an appraisal reconsideration. Provide documentation like permit records, recent receipts, or market data.
If the appraisal is genuinely too low despite being technically correct, you can challenge the comparable sales or appeal to the lender. Some lenders allow one free reconsideration.
If you're hiring an appraiser and want to compare qualified professionals in your area, platforms like Mercoly let you find trusted residential appraisers and review their credentials all in one place.
Frequently Asked Questions
Q: How long does a residential appraisal take? A: Most appraisals are completed within 5–10 business days, though complex properties or high-demand markets can take longer.
Q: Can an appraiser's value differ from the purchase price? A: Yes—appraisers provide market value based on recent sales, not what the buyer and seller agreed to; low appraisals can delay or kill a deal if the buyer can't cover the gap.
Q: Who pays for the appraisal? A: In a purchase, the buyer typically pays upfront ($400–$700 depending on location and property complexity), though some lenders roll it into closing costs.
Start by reading the property description and comps sections first—these give you the clearest sense of whether the appraisal is fair.