What the numbers on every Dynamic.RE city page mean: asking price vs sold price, which ZIP codes a city covers, how we call a buyer's or seller's market, and what the data cannot tell you.
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Every Dynamic.RE city page is built the same careful way: from monthly listing data, compared with the city's own history, and checked before it goes out. This page explains what each number means and what it cannot tell you.
It is the median asking price of homes listed for sale. We build it from every ZIP code in the city: each ZIP's median and average asking price describe how its prices spread out, and we find the middle of all the city's listings together. That keeps a few expensive ZIP codes from pulling the city's number up.
Redfin reports prices homes sold for, and Zillow reports an estimated value for every home, listed or not. All three can be right and still differ by tens of thousands of dollars. Use the asking price to see what sellers want today. Use sold prices to see what buyers paid.
The median also moves when the mix of homes for sale changes. If smaller homes come to market, the median falls even when no seller cut a price. So we read price direction on asking price per square foot, and when the two disagree by more than a few points, the page says so and explains why.
A city's figures combine every ZIP code with that city's mailing address. Mailing ZIPs often reach past city limits, so our numbers can differ from city-limits figures. Each city page lists its ZIP codes. For the largest cities our data combines at most 50 ZIP codes, and those pages say so, because counts such as homes for sale run low there.
We compare each city with itself: the same calendar month in 2017, 2018 and 2019, before the pandemic. Comparing the same month removes the normal spring rush and winter slowdown. We look at four signals:
When the signals together lean about 15% or more toward sellers, and all but one point the same way, the page says sellers have more pull than usual. The mirror image is a buyer's market. Anything in between is balanced. A city can lean toward sellers against its own history and still rank as one of the less competitive markets in its state. Both are true, and each page shows both.
In some areas, pending sales were barely recorded before about 2023. In those cities the pending count tracks how well sales got reported, so we leave it out of the verdict, the rankings and the text, and the demand tile shows a dash.
It is the age of the listings on the market that month. A listing stops counting when it sells, so the full time to sell can run longer. We use it to compare a city with its past and with other cities. It is not a promise of how fast your home will sell.
Renter share, vacancy, income and population come from the Census Bureau's American Community Survey five-year estimates, added up across the city's ZIP code areas. HUD fair market rent is set for a whole county or metro area. It includes utilities the tenant pays and sits at the 40th percentile of local rents, so one home's rent can be well above or below it. The rent a median-income tenant can afford uses the common rule of 30% of income.
Every city page refreshes monthly and shows the month its data runs through. Market data describes a city. To see what one address would rent for and whether it cash flows, run it through Dynamic.RE. You get five free property analyses a month.
The calculator works from the assumptions you type in. When you are ready to move from a set of assumptions to a specific property, open Dynamic.re and analyze the exact address.
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