How Appraisers Determine Home Values

by Tommy SibigaJuly 26, 2016

Appraisals are used for several reasons. They’re used when a home is being sold (especially if it’s a financed purchase), when an owner is refinancing their current mortgage, and/or when taking out an additional mortgage on the current home. Some may optionally get an appraisal done on the home for other purposes but it’s primary purpose is to verify a home’s current value. Estimating a home’s value may be subjective but there are several specific tools that an appraiser will use to prepare their report. Here are a few things to know about how an appraiser determines home values.
Image of symbolic check up of a family house
The sales comparison approach identifies homes that are nearby and fairly comparable. Homes within the same neighborhood will definitely be included, if possible. Proximity of location and timing are of importance. Most appraisers will only consider homes that are within a set distance away and only within the last six months of closed transactions. Other variables that are considered are; style of home, acreage, square footage, year built, and area. Additionally, although they may use active listings and pending listings within their report, sold homes that were publicly advertised on MLS carry the most weight.

Using the sales comparison approach, an appraiser will make specific adjustments to each individual property in an attempt to best compare apples-to-apples. There’s a systematic spreadsheet that appraisers will work through to adjust accordingly. They may make adjustments based off; age of the home, quality of construction, acreage, square footage, style of home, total bedrooms, total bathrooms, functional utility, HVAC systems, garage, porches, decks, fireplaces, amenities, and/or neighborhood. So if a comparable home sold had one less full bathroom than the subject property, the appraiser use a positive value to adjust the sold value up in an attempt to guess the subject property’s value. Each line item is done in this same manner to get several adjusted values. The sales comparison approach, then takes all of these adjusted numbers to average out an estimated value.
House shaped paper cutout and calculator on wood lumber.
The other way that an appraiser may estimate a value is the income method. This method takes a look at what a property may produce in monthly/annual income. Although better used for commercial properties, this may prove useful for residential properties as well. The income method will determine what a monthly rent value is and then multiply it times a gross rent multiplier. The gross rent multiplier is a ratio of a property’s price and it’s rental income before expenses.

Appraisers have several ways to estimate value. They could predict based off what it would be to build a new home and then subtract depreciation and add in land value. They could carefully review what similar homes have sold for recently and make specifics adjustments based off commons features. Or they can look at how much a property can earn. Although there are multiple methods for appraisers to use for their reports, the most normal method is the sales comparison approach. Those little differences in features could equate to a different appraisal amount. Interested in seeing a sample appraisal? Take a look at a sample appraisal report from Freddie Mac. is the place to dream and discover your ideal home! Are you starting to get the itch to look for your first or next home, but don’t know where to start? You’ve come to the right place! Browse our real estate and lifestyle blog for home buying tips, mortgage guides, DIY ideas, interior design, lifestyle topics, general home inspiration, or just some homes fun. We are sure you can scratch that itch and find all the information and tools you need to help in your home search. Want to start looking at available real estate right now? Head to our home page and check out homes for sale or rent listings all over the country.

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Tommy Sibiga
  • Janice
    July 29, 2016 at 11:03 pm

    I didn’t know about the income method. That would be a good thing to do of thinking about renting a home. (We are looking at options :)) Good stuff. Thanks!

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