
There are many unsubstantiated theories about what is happening with home prices. From those who are worried that prices are falling (data shows this is untrue), to those who are concerned that prices are again approaching boom peaks because of “irrational exuberance” (this is also untrue as prices are not at peak levels when they are adjusted for inflation), there seems to be no shortage of opinion.
However, the increase in prices is easily explained by the theory of supply & demand. Whenever there is a limited supply of an item that is in high demand, prices increase. It is that simple. In real estate, it takes a six-month supply of existing salable inventory to maintain pricing stability. In most housing markets, anything less than six months will cause home values to appreciate and anything greater than seven months will cause prices to depreciate (see chart below).

According to the Existing Home Sales Report from the National Association of Realtors (NAR), the monthly inventory of homes for sale has been below six months for the last five years (see chart below).

Bottom Line
If buyer demand continues to outpace the current supply of existing homes for sale, prices will continue to appreciate. Nothing nefarious is taking place. It is simply the theory of supply & demand working as it should.
Source: Keeping Current Matters
Chrysti Tovani is a Fair Oaks Real Estate Advisor, Transition Specialist, and the author of Downsizing with Intention. She helps homeowners sell long held homes, downsize with clarity, and navigate major life transitions with confidence and strategic guidance.
With decades of experience in real estate, mortgage, and title, Chrysti brings deep industry knowledge and thoughtful preparation to every transaction. Her approach blends strategic home marketing, skilled negotiation, and emotional intelligence, ensuring that each move is handled with both precision and care.
As the founder of I Love Fair Oaks, a hyperlocal media platform highlighting trusted businesses and community life in Fair Oaks, California, Chrysti has built an integrated authority ecosystem that connects real estate expertise with community leadership.
Her work centers on clarity, visibility, and long term legacy, helping clients move forward with confidence while strengthening the community she serves.

There’s a well-known economic theory – the law of supply and demand – that explains what’s happening with prices in the current real estate market. Put simply, when demand for an item is high, prices rise. When the supply of the item increases, prices fall. Of course, when demand is very high and supply is […]
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