Absorption rate is one measure used in real estate market analysis to evaluate the relationship between recent sales activity and the number of properties currently available for sale. Residential appraisers may analyze absorption rates and months of housing supply when evaluating current market conditions, inventory levels, and changes in buyer demand.
What Is Absorption Rate in Real Estate?
In simple terms, the absorption rate measures how quickly available homes are being absorbed by the market. One common way to calculate it is to determine the average number of sales occurring each month during a selected historical period.
That monthly sales rate can then be compared with the number of active listings to estimate months of housing supply.
Real Estate Absorption Rate Calculator
Enter the number of closed sales, the period analyzed, and the current number of active listings.
These calculations provide a market indicator and should not be interpreted independently of other market data. Property type, location, price range, seasonality, listing activity, pending sales, and other factors can materially affect market conditions.
How to Calculate Absorption Rate
- Select a market segment and time period. Gather the number of closed sales within the market being analyzed. A 6-month or 12-month period may be useful depending on the assignment, market activity, and available data.
- Calculate average monthly sales. Divide the number of closed sales by the number of months analyzed. This produces the average number of properties absorbed by the market each month.
- Determine current inventory. Identify the number of active listings that reasonably represent the same market segment.
- Calculate months of supply. Divide the number of active listings by the average number of sales per month.
Absorption Rate Example
Example: 60 Sales and 20 Active Listings
Assume that 60 comparable homes sold during the previous 12 months.
60 sales ÷ 12 months = 5 sales per month.
If there are currently 20 active listings:
20 listings ÷ 5 sales per month = 4 months of housing supply.
What Does Months of Supply Tell You?
Months of supply provides perspective on the relationship between current inventory and recent sales activity. A declining supply can indicate that available inventory is being absorbed more quickly, while increasing supply can indicate that inventory is accumulating relative to the pace of sales.
However, there is no single number that should automatically determine whether a particular market is increasing, stable, or declining. An appraiser should consider the absorption rate together with other available market evidence.
How Appraisers Use Absorption Rate
Absorption rate is one component of a broader residential market analysis. Depending on the assignment, an appraiser may also examine median sale prices, price per square foot, days on market, sale-to-list price ratios, active and pending listings, concessions, inventory changes, and other indicators.
The analysis is most meaningful when the data represents properties that compete within the same market segment rather than an overly broad geographic area or property group.
Important: An absorption-rate calculation is only as meaningful as the data used. Market boundaries, property type, size, age, condition, price range, and other characteristics may need to be considered when defining the competitive market.
Frequently Asked Questions
How do you calculate months of housing supply?
Divide the number of current active listings by the average number of closed sales per month. For example, 20 active listings divided by 5 monthly sales equals approximately 4 months of supply.
What is the difference between absorption rate and months of supply?
Absorption rate generally describes the pace at which properties are selling, while months of supply estimates how long the existing inventory would last if properties continued selling at the calculated rate and no additional listings entered the market.
What is considered a balanced real estate market?
There is no universal inventory level that defines every balanced market. Market behavior varies by location, property type, price range, time period, and local supply-and-demand conditions. Months of supply should therefore be considered alongside other market indicators.
Do residential appraisers analyze absorption rate?
Absorption rate and months of supply can be useful components of an appraiser's market analysis. They may help provide context regarding inventory and the pace of recent sales, particularly when analyzed with other relevant market data.
Residential Market Analysis in Western Massachusetts
Pilgrim Colonial Appraisal Services provides residential real estate appraisal services throughout Springfield, Hampden County, and surrounding Western Massachusetts communities. Market analysis is developed in the context of the specific property and competitive market being appraised.
You can learn more about our residential market value appraisal services , review our Western Massachusetts appraisal service area , or explore additional residential appraisal information .
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