The tech boom is turning Silicon Valley dirt into gold.
The Coldwell Banker Previews International survey ranked Woodside, Calif., in the heart of Silicon Valley, as the nation's top luxury market. Among the top five luxury markets in the country—as ranked by prices and sales volume—three are in the Valley.
Portola Valley, Calif., ranked third, followed by Hillsborough, Calif., in fourth (Bal Harbour, Fla., ranked second). Coldwell Banker based the rankings on annualized sales in units and volume of luxury homes as well as median and average sales price gains.