In Manhattan, 14% of housing units are vacant. The median home price is 15–20x median household income in the most expensive markets. Single-family zoning protects incumbent property values by preventing supply. The tax code subsidizes landlords more than it subsidizes homebuyers. A pied-à-terre on Billionaires' Row inflates the assessments of every neighbor while contributing zero residents and zero civic function. The Housing Architecture is the institutional design that converted the place people live into an asset extraction system.
The housing crisis is not a shortage of houses. The United States builds approximately 1.4 million housing units annually. The crisis is a distribution problem produced by an institutional architecture that routes housing to capital rather than to residents.
The Housing Architecture has four interlocking components: the Vacancy Economy (housing as asset storage, inflating prices for everyone), the Assessment Spiral (price-wage divergence that has no internal correction mechanism), the Zoning Capture (incumbent homeowners using democratic processes to suppress supply), and the Landlord Architecture (a tax code that makes residential rental property the most tax-advantaged productive investment available to individual investors). Each reinforces the others. Together they produce the affordability crisis that characterizes every high-demand urban market.
The institutional architecture — comprising the financialization of residential property as asset storage (Vacancy Economy), the self-reinforcing price-wage divergence (Assessment Spiral), the political economy of supply suppression (Zoning Capture), and the tax code's preferential treatment of rental property investment (Landlord Architecture) — that converts residential housing markets from systems for distributing shelter to systems for storing and extracting capital, producing the affordability crisis characteristic of every high-demand urban market in the current period. The Housing Capture is the institutional design consequence of allowing the same asset to serve simultaneously as shelter (whose function requires distribution to users) and as financial instrument (whose function requires concentration in capital holders). When the financial function dominates — as it does in markets where vacancy rates are high and price-income ratios are extreme — the distribution function fails, and the communities most essential to the city's economic functioning are displaced to its periphery.