In a realistic scenario, de-regulated zoning around San Francisco would benefit developers and lenders while worsening the financial burden of the middle class.<p>If zoning were de-regulated around San Francisco, I doubt that many of you would pay much less than what you'd pay now for housing, assuming you're not making less than the AMI.<p>San Francisco had an Area Median Income in 2014 of $83,222. Those who make below this qualify for affordable housing. If you want to imagine what kind of housing policy the bay area would implement, look to what the DelBlasio administration is doing [1]. In 2015, the AMI for a family of four in New York City was $86,300. According to the DelBlasio administration's plan, "there will be affordable housing available for each level of income from “Extremely Low Income” to “Middle Income.” The middle group, “Low Income” will benefit the most, receiving nearly 60 percent of the 200,000 projected units. Each of the other levels of income will receive eight to 12 percent of the units."<p>So, given that you wouldn't qualify for affordable housing, you'll end up buying new property at market-driven prices. If developers were to flood the market with thousands of additional units, how would that affect prices? If you were a developer, wouldn't you try to maximize profit for your investors? With that given, developers would collude. They'd roll out new, optimally priced units over time. They'll make excuses to policymakers as to why projects are delayed.<p>Today, the middle class can't even get a chance to buy something that it can't afford. With de-regulated housing, the former constraint is lifted and new homeowners will be heavily debt-burdened with super-jumbo non-conforming mortgages. However, you'll have somewhere to live.<p>[1] <a href="http://www.amny.com/real-estate/affordable-housing-in-new-york-city-mayor-bill-de-blasio-s-plan-explained-1.11761817" rel="nofollow">http://www.amny.com/real-estate/affordable-housing-in-new-yo...</a>