What Is a Comparative Market Analysis (CMA) and How Is It Calculated?

A comparative market analysis (CMA) is commonly used to determine a property's value. Here's what you need to know about how a comparative market analysis is calculated.
Written by Jason Unrau
Reviewed by Carrie Adkins
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If you’re buying or selling a house, you’ve probably noticed that similar properties vary in price depending on the area. One of the factors used to set a price in real estate is the market—that is, the neighborhood, comparable properties nearby, and comparable features.
These values aren't determined randomly. They're figured with a comparative market analysis.
What’s involved in a CMA report, how is it used, and how is the CMA calculated? Here’s what you need to know, presented by
Jerry
.
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What is a comparative market analysis?

Realtors perform a comparative market analysis to determine a fair market value for a property. It can be used by sellers to set a competitive price for their home, or it can be used by buyers to determine if a potential subject property is a good deal or not. 
A CMA is unofficial, meaning that a real estate agent doesn’t need to be certified to complete appraisals in order to deliver a CMA report. Since each home is unique, a comparative analysis can vary depending on who is doing the report and how they view the home.

Information in a CMA report 

The CMA report factors in specific details to determine the home's value. Criteria can include: 
  • The neighborhood. How close is the home to schools and community amenities? Is the neighborhood safe? Is the property near a highway? The quality of a neighborhood is a significant factor.
  • Property details. How many square feet of living space does the home have? Is the basement finished? What type of construction is it, and how old is it? Does it have average, below-average, or above-average finishing? Landscape and condition also make a difference. 
  • Comparable homes. A CMA report typically compares the home to three to five other properties in the area that are in the same school district, of a similar age and size, and have the same type of construction and lot size. Because the real estate market fluctuates so much, the more recently the home was sold, the more accurate the comparison is.
  • An adjustment for differences. For as much of an apples-to-apples comparison as possible, value adjustments are made to the comparable homes. 
  • Price per square foot. To know if a home represents good value, a comparison based on an adjusted square footage is calculated.

How much does a comparative market analysis cost?

Some real estate agents will charge up to $200 for a comparative market analysis. If you want to sell your home, you're probably wanting a CMA report to get a good idea for a fair price.
Though some agents will charge for a CMA report, you can also get one for free. Some agents will offer free reports if you work with them. Ask around to see who offers free CMA reports when you're choosing a real estate agent.

Is there an alternative to a CMA report?

Sometimes a CMA report isn't accurate. This may be because the home has a custom design, or there is a slow housing market where similar homes nearby haven’t sold recently. Rural locations can also be difficult to price based on a CMA report. 
One alternative to a CMA report is a broker price opinion (BPO). It’s less detailed and can be completed faster than a CMA report, which is perfect for a short sale or quick listing. However, a BPO can’t be used to secure a
mortgage
in most cases.  
A second option is to commission an official property appraisal. This is a professional’s assessment of your property to determine its fair market value. It’s extremely detailed and looks at all visible facets of a home, including its roof, foundation, electrical system, plumbing, finishing, and condition. It also takes into consideration the neighborhood, lot, comparables, homeowners association (HOA) fees, property taxes, and more.
Typically you must pay home appraisal fees, which cost $315 to $405 on average. If you’re listing your home, your realtor will normally include a CMA or BPO free of charge.
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