"The California Regional MLS, like others across the country, controls the database that feeds real estate listings to sites like Zillow. The organization said in a statement to the New York Times that it was "suspicious" after seeing predictions of high flood risk in areas that hadn't flooded in the past. When Fast Company asked for an example of a location, they pointed to a neighborhood in Huntington Beach-but that area actually just flooded last week."
"Our models are built on transparent, peer-reviewed science and are continuously validated against real-world outcomes. In the CRMLS coverage area, during the Los Angeles wildfires, our maps identified over 90% of the homes that ultimately burned as being at severe or extreme risk-our highest risk rating-and 100% as having some level of risk, significantly outperforming CalFire's official state hazard maps. So when claims are made that our models are inaccurate, we ask for evidence. To "
Zillow removed property-specific scores for flood, wildfire, wind, extreme heat, and air quality following pressure from a regional multiple listing service that supplies listings. First Street, the nonprofit source of the scores, provides data to Realtor.com and Redfin and says the models have existed for over five years. The MLS expressed suspicion about high flood-risk predictions in areas without recent floods and cited a Huntington Beach neighborhood as an example. That neighborhood flooded the following week. First Street states its models are peer-reviewed, continuously validated, and outperformed CalFire maps during Los Angeles wildfires.
Read at Fast Company
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