Mortgage rates up...affordability down
Interest rates are the highest in years, helping to make housing markets even more overvalued. See rankings for 299 markets.
By Les Christie, CNNMoney.com staff writer

NEW YORK (CNNMoney.com) - Mortgage rates have hit their highest level in nearly four years, and that has a direct impact on home affordability...and home prices.

The average rate on a 30-year fixed mortgage stands at 6.37 percent, up from 5.58 percent last summer.

"I think it's indisputable that demand in the housing market has declined in the past few months," says Richard DeKaser, chief economist for National City Corp., an Ohio-based mortgage banker. "It's very clear that rising interest rates figure very large in that decline."

Rising rates had already begun to take their toll in the fourth quarter of 2005, when the 30-year mortgage averaged 6.22 percent, according to a report released Monday from Global Insight, a financial information provider, and National City.

The report figures 71 of the 299 largest U.S. housing markets were "extremely overvalued" at year's end, up from 62 markets a quarter earlier (see table rankings below).

The report arrives at a fair market value based on population, income and interest rates and factors in historical premiums or discounts.

Rates have a direct affect on affordability. For example, a jump in interest rates from 6 percent to 7 percent on a 30-year loan adds about 10 percent to a monthly mortgage bill. A homeowner who financed a loan of $200,000 at 6 percent would pay about $1,200 a month. At 7 percent, the bill would come to $1,330.

As rates rise, homebuyers who were already stretched may start demanding lower prices. "Low rates had offset unaffordability in past years," said DeKaser.

California and Florida accounted for 18 of the 20 most overvalued markets, with Naples, Fla. leading the way. A median home in Naples now costs $367,100, according to the Office of Federal Housing Enterprise Oversight (OFHEO), nearly double what the study's authors estimate it should.

Undervalued markets are much less common and tend to be priced only slightly below where they should. They're especially common in Texas; eight of the top 10 are in the Lone Star State. College Station leads the way -- homes there cost 22.7 percent less than what the authors estimate they should fetch.

The table below lists 299 markets tracked by Global Insight and National City. Click on column headings to re-sort; click on state names for more statistics on top cities. Top of page



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Most stock quote data provided by BATS. Market indices are shown in real time, except for the DJIA, which is delayed by two minutes. All times are ET. Disclaimer.

Morningstar: © 2014 Morningstar, Inc. All Rights Reserved.

Factset: FactSet Research Systems Inc. 2014. All rights reserved.

Chicago Mercantile Association: Certain market data is the property of Chicago Mercantile Exchange Inc. and its licensors. All rights reserved.

Dow Jones: The Dow Jones branded indices are proprietary to and are calculated, distributed and marketed by DJI Opco, a subsidiary of S&P Dow Jones Indices LLC and have been licensed for use to S&P Opco, LLC and CNN. Standard & Poor's and S&P are registered trademarks of Standard & Poor’s Financial Services LLC and Dow Jones is a registered trademark of Dow Jones Trademark Holdings LLC. All content of the Dow Jones branded indices © S&P Dow Jones Indices LLC 2014 and/or its affiliates.