Housing is now 'impossibly unaffordable' in these 4 cities — and they're all in the same state

Aerial view of luxury beachfront homes along the coastline of the northern San Diego community of Del Mar, CA located about 15 miles north of downtown shot via helicopter from an altitude of about 500 feet over the ocean.

Art Wager

• Four of the world's 11 "impossibly unaffordable" housing markets are in California, a study found.
• There are seven of these pricey markets across the US and Canada, per the Demographia report.
• The study blamed land use policies for constraining housing supply and driving up prices.