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Posted by: Dean Foust on February 13, 2007 just released a new report assessing the trend in home values across the country. Granted, you could question the accuracy of Zillow’s findings, since it isn’t based just on home sales but on Zillow’s proprietary assessment of home values, but it’s still a fun exercise.

The bottom line: Zillow says nationwide, home values were down 0.5% year-over-year and values declined 4.77% in the fourth quarter alone. The folks at Seattle-based Zillow say it’s the first 12-month decline they’ve seen in their data, which goes back as far as 1997.

The three highest-appreciating metro areas over the past 12 months were:
-Lakeland-Winter Haven, FL (25.88%)
-Yuma, AZ (25.66%)
-Myrtle Beach, SC (21.24%)

And the three metro markets that suffered the largest year-over-year decline:
-Panama City, FL (-11.84%)
-San Luis Obispo-Atascadero-Paso Robles, CA (-11.35%)
-Punta Gorda, FL (-9.23%)

To read the press release with the highlights, click here.

For a look at Zillow’s national and local market data, click here.

Reader Comments


February 14, 2007 10:35 AM

The problem with the Zillow Housing Report is we don't know the percentage of actual sales data to unsold zestimated homes. In areas where sales are down, the percentage will weigh heavily to unsold homes and the Report becomes in essence a Zestimate Report. Since the zestimates are untested (no sale has occurred to measure its error rate) that data is suspect and should not be a guide. In those same low sales areas where zestimates have high error rates you get a Zestimate Report of more dubious value.

I use this analogy: If actual sales are pure water and zestimates of unsold homes (of unknown error rates) are contaminates, do you want to drink from the glass containing mostly zestimates?

Tom K

February 14, 2007 12:22 PM

Considering Zillow overestimates how values by atleast 10% this shows just how far homes have dropped already. I am in California and many homes are Zillow are being listed and not sold below the range zillow gives, just how far off is zillow, I'd say around 10%-20% in accuracy here. And to think just wait till the end of summer, once their are almost as many foreclosures for sale as owner for sale, gonna be real ugly real soon.

Cid Dennis

February 14, 2007 3:31 PM

I really like the zillow site. I am not 100% about it estimated price of a upgrade home feature but in general it is nice to see what everyone else paid for there home.

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BusinessWeek editors Chris Palmeri, Prashant Gopal and Peter Coy chronicle the highs and lows of the housing and mortgage markets on their Hot Property blog. In print and online, the Hot Property team first wrote about the potential downside of lenders pushing riskier, "option ARM" mortgages and the rise in mortgage fraud back in 2005—well ahead of many other media outlets. In 2008, Hot Property bloggers finished #1 in a ranking of the world's top 100 "most powerful property people" by the British real estate website Global edge. Hot Property was named among the 25 most influential real estate blogs of 2007 by Inman News.

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