Appraisal vs CMA: which number should you trust?

Who prepares each, and for whom

A comparative market analysis is prepared by a real estate agent for a seller, or sometimes a buyer, to guide a pricing decision. It is a professional opinion informed by the local market, and it is free.

An appraisal is prepared by a state-licensed appraiser, almost always at a lender's instruction, to protect the lender's collateral. The buyer typically pays for it, but the appraiser's client is the lender. That distinction explains most of the differences that follow.

Why the two numbers differ

An appraiser is checking whether the agreed price is supportable. The instinct of the role is conservative, because the lender's downside is a loan larger than the asset behind it.

An agent preparing a CMA is answering a different question: what will this home actually attract in today's market. That includes things an appraisal handles cautiously or not at all, such as how much competition your home will face at a given price, or how buyers in your community are currently valuing a feature.

Timing separates them too. A CMA is prepared before listing, an appraisal after a contract. In a market that moves, weeks matter, and the appraiser is often working with a comparable set that has not caught up to what buyers are doing.

When the appraisal comes in low

This is the moment the distinction becomes practical. A low appraisal does not mean the home is not worth the contract price. It means the lender will not lend against that price on this comparable set.

The options are familiar: the buyer brings the difference in cash, the price is renegotiated, the parties split the gap, or the appraisal is challenged with better comparables. Which is available depends on the contract and on how much the buyer wants the house.

A well-built CMA is the seller's best asset here, because it documents the reasoning behind the price with sales the appraiser may not have used. A challenge supported by specific, closer, more recent comparables is taken more seriously than an objection.

Which one should set your asking price

The CMA. It is built for that decision, it reflects current conditions, and it comes before you commit to a number.

The appraisal is a checkpoint later in the process, and one you can prepare for. Homes priced from a careful CMA meet appraisal problems less often, because the number was supported by real sales from the start.

What an appraiser looks at that an agent may not

Appraisers work to a defined methodology and document it. They measure the home themselves rather than relying on tax records, which sometimes surfaces a square-footage discrepancy that has been carried in public data for years.

They check permits and will note unpermitted work, which can affect the valuation and occasionally the financing. A converted garage or an enclosed patio without a permit is a common finding.

They also assess condition against defined categories and will call out deferred maintenance affecting safety or soundness, which for a lender can trigger a requirement that repairs happen before closing.

None of this makes an appraisal a better pricing tool, but it does mean an appraisal can surface issues a seller did not know they had. Knowing about unpermitted work in advance is far better than learning about it two weeks before closing.

Preparing for the appraisal you will eventually get

Sellers have more influence here than they expect. Leaving out the documentation of recent work, the permits, and a list of the comparable sales that supported your price gives the appraiser material they may not otherwise find.

Access matters too. An appraiser who cannot get into a locked room or a detached structure has to make assumptions, and assumptions are conservative.

Presentation has a smaller effect than on a buyer but it is not zero, because condition is a scored input. A clean, accessible, well-maintained home reads differently from one that is not.

If the appraisal still lands low, the reconsideration process is evidence-driven. Sales that are closer, more recent, or more genuinely comparable than the ones used carry weight. Disagreement without new comparables does not.

Where the two documents meet in a transaction

In a financed sale both appear, in a fixed order, and knowing that order makes the process less alarming.

The CMA comes first and sets the asking price. The home lists, is marketed, and attracts offers. A contract is signed at a price the market produced.

The lender then orders the appraisal to confirm the property supports the loan. If it comes in at or above the contract price, the point passes without comment and most sellers never see the report. If it comes in below, the contract's appraisal contingency governs what happens next.

The gap between the two documents is usually small when the CMA was well built, because both are ultimately reading the same market. Large gaps generally mean one of three things: the home sold above its supported range because a particular buyer wanted it, the appraiser used comparables that do not reflect current conditions, or the original pricing was optimistic and the market corrected it at the last possible moment.

For a cash sale the appraisal step usually disappears entirely, which is one reason cash offers are attractive to sellers even at slightly lower prices. There is no third party who can pause the transaction over a number.