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ATTOM’s Housing Affordability Index

Get Detailed Affordable Housing Statistics Near You

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Affordability Index Overview

ATTOM Data Solutions affordability index quarterly update takes an in-depth analysis into historical home affordability trends. The housing affordability index is available at the county level and can be customized to meet your data needs. Discover areas where home price appreciation is outpacing wage growth as well as the annual income typically needed to buy a home. The housing affordability report determines affordability for average wage earners by calculating the amount of income needed to make monthly house payments — including mortgage, property taxes and insurance — on a median-priced home, assuming a 3 percent down payment and a 28 percent maximum “front-end” debt-to-income ratio.

ATTOM’s Housing Affordability Index Measures Detailed Data

ATTOM’s Affordability Index Helps Indicate Potential Market Disruption

ATTOM’s housing affordability index report analyzes median home prices derived from publicly recorded sales deed data collected by ATTOM and average wage data from the U.S. Bureau of Labor Statistics. The housing affordability index is based on the percentage of average wages needed to make a monthly house payment on a median-priced home with a 30-year fixed rate mortgage and a 3 percent down payment, including property taxes, home insurance and mortgage insurance. Average 30-year fixed interest rates from the Freddie Mac Primary Mortgage Market Survey are used to calculate the monthly house payments.

Forecast for the 2021 Winter Real Estate Market

Get a detailed look at the supply and demand signals for the market’s trajectory this winter and talk about what to expect when it comes to inventory and prices. We will also dive into what is happening with home affordability, the distressed market and more.

High-Level Takeaways Include:

  • A look at affordability and how home sales have fared in 2021
  • Review current foreclosure activity since the moratorium was lifted
  • What the supply and demand signals are for the winter
  • A look at rising inventory levels, and what this means for the market
  • What’s happening with sales velocity and if we can expect a slow down
  • How to talk to buyers and sellers about the data
  • And more….


  • Todd Teta, Chief Product and Technology Officer, ATTOM Data Solutions
  • Mike Simonsen, Founder & CEO, Altos Research

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