The number of homes for sale in Cape Coral, FL and North Port, FL surged roughly 50% from a year earlier in March—more than anywhere else in the country. And in McAllen, TX, supply jumped 25%. On the west coast of Florida, housing supply is surging, sellers are cutting their asking prices and the time it takes to sell a home is soaring—all at a faster rate than anywhere else in the U.S. The story is similar in parts of Texas. That is according to a new report from Redfin (redfin.com), the technology-powered real estate brokerage. Here’s how these trends showed up in U.S. housing-market data for March, which covers 85 major metropolitan areas: SUPPLY: Of the 10 metro areas that posted the largest year-over-year increases in supply, six are in Florida and two are in Texas. Cape Coral, FL saw the biggest jump in homes for sale (51%), followed…